y0731 GPM Big Scale-Race adjustable 3 block clutch
Product number:
y0731
EAN:
4058575036210
Product information "y0731 GPM Big Scale-Race adjustable 3 block clutch"
Genuine GPM spare/option part.
The Big Scale-Race clutch is equipped with 1.4 mm springs, is especially suitable for On-road use (not for Formular 1).
Adjustable 3-shoe clutch for:
The GPM-Big Scale clutch:
Suitable for racing and for the ambitious hobbyist driver. Unlike the stock clutch, the installed GPM-Big Scale clutch can be adjusted by turning one single screw. A 2.5 mm allen key wrench is required for this application.
Therefore it is possible to precisely adjust the clutch engagement depending on track characteristics.
Attention: You must use adhesive y0743 Clutch-Safe when replacing clutch pads!
Content:
The Big Scale-Race clutch is equipped with 1.4 mm springs, is especially suitable for On-road use (not for Formular 1).
Adjustable 3-shoe clutch for:
- Zenoah
- Chung Yang
- HPI - Fueli
- Smartech PT
- And many other engines
The GPM-Big Scale clutch:
Suitable for racing and for the ambitious hobbyist driver. Unlike the stock clutch, the installed GPM-Big Scale clutch can be adjusted by turning one single screw. A 2.5 mm allen key wrench is required for this application.
Therefore it is possible to precisely adjust the clutch engagement depending on track characteristics.
Attention: You must use adhesive y0743 Clutch-Safe when replacing clutch pads!
| y0730 | y0731 |
Content:
- 1 piece
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Alternatives
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Genuine GPM spare/option part. The Big Scale-Cross clutch is equipped with 1.3 mm springs, is especially suitable for Off-Road use.Adjustable 3-shoe clutch for:ZenoahChung YangHPI - FueliSmartech PTAnd many other enginesThe GPM-Big Scale clutch:Suitable for racing and for the ambitious hobbyist driver. Unlike the stock clutch, the installed GPM-Big Scale clutch can be adjusted by turning one single screw. A 2.5 mm allen key wrench is required for this application.Therefore it is possible to precisely adjust the clutch engagement depending on track characteristics.Attention: You must use adhesive y0743 Clutch-Safe when replacing clutch pads!y0730y0731Content:1 piece
With the Big Scale-EXTREME an adjustable clutch for very special requirements has been designed:For large-displacement enginesFor heavy or high traction cars (Losi, HPI)For modified performance enginesFor the demanding off-road useRapid wear of a clutch is a sign of constant slipping, even beyond engagement speed. In this case, the clutch does not transfer the applied torque.This is where the Big ScaleEXTREME sets a new standard.The new design of the "Extreme" prevents the centrifugal forces of clutch springs or lever side of the clutch shoes from counteracting the centrifugal force of the friction pad side even after engagement.As a result this clutch can transfer lots of power with minimal wear.The new design ensures that the centrifugal forces are transferred in full to the clutch lining. Precise engagement and disengagement even under high loads and inside of closed clutch bell carriers means no problem for this clutch.The clutch can be easily adjusted to the engagement speed through three set screws without clutch bell removal, so you can match the characteristics of your engine.The special clutch lining of the Big Scale-EXTREME is particularly wear-resistant and - especially in combination with a high-quality nitrited clutch bell (), guarantees for an exceptionally long service life! Contrary to the "Cross" or "Race" version there's no need to uninstall the clutch from the engine for maintenance. All parts are easily accessible from the front after removing the front plate.Please see the specifications tab for further information and handling advices!The regular price of the Big Scale-EXTREME is EUR 139.90
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regular Price GPM Big Scale - ALLOY 119,90 EUR===================================The Big Scale-ALLOY clutch is equipped with 1.4 mm springs.This version is particularly suitable for on-road use.Adjustable 3-shoe clutch for:Zenoah / Chung Yang / HPI - Fuelie / Smartech PT and many other engines.The GPM-Big Scale clutch:Suitable for racing and for the ambitious hobbyist driver. Unlike the stock clutch, the installed GPM-Big Scale clutch can be adjusted by turning one single screw. A 2.5 mm allen key wrench is required for this application.Therefore it is possible to precisely adjust the clutch engagement depending on track characteristics.Slight aluminum deposits in the clutch bell and corresponding wear marks in the clutch shoes are normal with the Big Scale ALLOY clutch and have no negative effect on the function. Caution: It is very important that when swapping the full-aluminum clutch shoes against the organic friction pads of a Big Scale CROSS or RACE to use a different or new , because the rough surface of the aluminum deposits in the clutch bell left by the Big Scale ALLOY will cause a high wear on the organic pads.
Accessories / Spare parts
Special single component epoxy adhesive for bonding clutch shoes; suitable for extreme operating temperatures (up to 200°C!) Important note for processing: For the final cure of the bond Clutch-Safe must be tempered at 170°C for 1 hour! (1 hour at 170°C in the oven!) The extremely high temperature load on the clutch shoes when used in off-road cars caused by increased clutch slippage, the shock of jumps and the combination with sometimes very high vehicle weights (up to 18 kg!) make bonding with Clutch-Safe highly recommended. For later removal/replacement of worn out clutch pads the clutch shoes must be heated as well.Attention:Clutch-Safe adhesive must be stored in the fridge! Content: 10g tube
Content: 10 Gramm (€495.00* / 1000 Gramm)
Gas-nitrided tuning clutch bell machined from high grade steel with a hole for easy clutch adjustment. Special vents remove dirt and clutch lining debris automatically, preventing it from accumulating in the clutch bell and causing premature wear to clutch bell and linings. They aid in cooling of the clutch bell as well.The clutch bell features a significantly reinforced wearing surface and face which guarantees dimensional stability even under high loads! The shaft is a tiny bit longer than stock (about 0.2 mm) to prevent the bearings from binding.Since this clutch bell is single-piece machined from bar stock there is no weld bead on the inside of the face plate. The gained space allows now to use the adjustable GPM Big Extreme clutch.Suitable for genuine slot drive Losi pinions. Comes with bolts and spring washers included.The bolt hole is countersunk from the inside so you can also use a flat head screw from the inside and a nut on the outside if you like. Content:1 pieces
Genuine HT spare/option part. Gas-nitrited tuning clutch bell; machined from high grade steel with vents for cooling of the clutch system and holes for easy clutch adjustment. The clutch bell features a significantly reinforced wearing surface which guarantees dimensional stability even under high loads!For best mounting of the pinion the clutch bell shaft has to flats with a 90° offset. As an additional safety device a M5 bolt with washer (included) replaces the E-clip found on stock clutch bells.Suitable for many 1/5 and 1/6 cars, such as all FG (except Formula 1), Carson a.s.o.Contents:1 piece
Genuine GPM spare/option part. Part no. 01 for GPM Big-Scale clutch. Installation ready set of 3 with glued-on organic pads.Replacing the clutch liningsFor replacing the friction pads please proceed as follows:1. Remove clutch from engine2. Disassemble clutch3. Remove the screws fixing the friction pads4. Remove remains of old glue and clean the surface to be bonded of the shoes to bare metal 5. Thoroughly degrease the bonding area of clutch shoes and new pads6. You must use the special adhesive y0743 Clutch-Safe!7. Apply a sufficient and complete layer of the adhesive to the bonding surfaces8. Insert the lining into the clutch shoe and align9. Fix the pad in place with screw y0730/03, just hand-tighten it10. Remove excessive glue with a rag11. Preheat oven to 120 °C.12. Put the clutch shoes into the preheated oven for exactly one hour; let the parts cool down13. Reassemble clutch and install it onto the engine14. Wait at least one hour after the gluing process before using the clutchy0730y0731 Content: 3 x aluminum clutch shoes with3 x press-fitted dowel pins (part no. /15) with3 x glued-on organic clutch pads (part no. /02) with3 x M3x5 mm safety screws (part no. /03) installed
Genuine GPM spare/option part. Use a high strength two-component adhesive (e.g. Clutch-Safe) to glue in the pads and lock them with the countersunk screws M3x5 (part no. y0730/03)Part no. 02 for GPM Big-Scale clutch.For replacing the friction pads please proceed as follows:1. Remove clutch from engine2. Disassemble clutch3. Remove the screws fixing the friction pads4. Remove remains of old glue and clean the surface to be bonded of the shoes to bare metal 5. Thoroughly degrease the bonding area of clutch shoes and new pads6. You must use the special adhesive y0743 Clutch-Safe!7. Apply a sufficient and complete layer of the adhesive to the bonding surfaces8. Insert the lining into the clutch shoe and align9. Fix the pad in place with screw y0730/03, just hand-tighten it10. Remove excessive glue with a rag11. Preheat oven to 120 °C.12. Put the clutch shoes into the preheated oven for exactly one hour; let the parts cool down13. Reassemble clutch and install it onto the engine14. Wait at least one hour after the gluing process before using the clutchy0730y0731Content:3 pieces
Genuine GPM spare/option part. Part no. 03 for GPM Big-Scale clutch.y0730y0731Content:3 pieces
Genuine GPM spare/option part. Part no. 04 for GPM Big-Scale clutch.y0730y0731Content:1 piece
Genuine GPM spare/option part. Equipped with the silver 1.3 mm springs the Big-Scale clutch provides relatively low slippage and easily controllable clutch engagement at medium rpms.Part no. 05 for GPM Big-Scale clutch.y0730y0731Content:3 pieces
Genuine GPM spare/option part. Equipped with the gold 1.4 mm springs the Big-Scale clutch provides medium slippage and noticeable clutch engagement at medium to higher rpms. On-road clutch standards.Part no. 06 for GPM Big-Scale clutch.y0730y0731Content:3 pieces
Genuine GPM spare/option part. Spring pressure plates, inner side (w/o positioning pin). Part no. 08 for GPM Big-Scale clutch.y0730y0731Content:3 pieces
Genuine GPM spare/option part. Part no. 09 for GPM Big-Scale clutch.y0730y0731Content:1 piece
Genuine GPM spare/option part. Part no. 10 for GPM Big-Scale clutch.y0730y0731Content:2 pieces
Genuine GPM spare/option part. y0730y0731Part no. 12 for GPM Big-Scale clutch. M3 x 8 mm for clutch housing.Content:3 pieces
Genuine GPM spare/option part. Part no. 13 for GPM Big-Scale clutch.Dimension:Inside diameter: 3 mmOutside diameter: 4,5 mmFlange: 7,2 mmy0730y0731Content:6 pieces
Genuine GPM spare/option part. Part no. 14 for GPM Big-Scale clutch.y0730y0731Content:1 piece
Genuine GPM spare/option part. Part no. 17 for GPM Big-Scale clutch.y0730y0731Content:1 piece
Genuine GPM spare/option part. Mountig bolt fits GPM 3-shoe clutches y0730 / y0731 and Lauterbacher clutch 50481.y0730y0731Content:3 pieces
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Genuine HT spare/option part. Gas-nitrited tuning clutch bell; machined from high grade steel with vents for cooling of the clutch system and holes for easy clutch adjustment. The clutch bell features a significantly reinforced wearing surface which guarantees dimensional stability even under high loads!For best mounting of the pinion the clutch bell shaft has to flats with a 90° offset. As an additional safety device a M5 bolt with washer (included) replaces the E-clip found on stock clutch bells.Suitable for many 1/5 and 1/6 cars, such as all FG (except Formula 1), Carson a.s.o.Contents:1 piece
Similar products
With the Big Scale-EXTREME an adjustable clutch for very special requirements has been designed:For large-displacement enginesFor heavy or high traction cars (Losi, HPI)For modified performance enginesFor the demanding off-road useRapid wear of a clutch is a sign of constant slipping, even beyond engagement speed. In this case, the clutch does not transfer the applied torque.This is where the Big ScaleEXTREME sets a new standard.The new design of the "Extreme" prevents the centrifugal forces of clutch springs or lever side of the clutch shoes from counteracting the centrifugal force of the friction pad side even after engagement.As a result this clutch can transfer lots of power with minimal wear.The new design ensures that the centrifugal forces are transferred in full to the clutch lining. Precise engagement and disengagement even under high loads and inside of closed clutch bell carriers means no problem for this clutch.The clutch can be easily adjusted to the engagement speed through three set screws without clutch bell removal, so you can match the characteristics of your engine.The special clutch lining of the Big Scale-EXTREME is particularly wear-resistant and - especially in combination with a high-quality nitrited clutch bell (), guarantees for an exceptionally long service life! Contrary to the "Cross" or "Race" version there's no need to uninstall the clutch from the engine for maintenance. All parts are easily accessible from the front after removing the front plate.Please see the specifications tab for further information and handling advices!The regular price of the Big Scale-EXTREME is EUR 139.90
Genuine HT spare/option part. Gas-nitrited tuning clutch bell; machined from high grade steel with vents for cooling of the clutch system and holes for easy clutch adjustment. The clutch bell features a significantly reinforced wearing surface which guarantees dimensional stability even under high loads!For best mounting of the pinion the clutch bell shaft has to flats with a 90° offset. As an additional safety device a M5 bolt with washer (included) replaces the E-clip found on stock clutch bells.Suitable for many 1/5 and 1/6 cars, such as all FG (except Formula 1), Carson a.s.o.Contents:1 piece
y0732_01 Clutch shoes:
With special wear resistant organic pad
Regular price Big Scale Clutch: 109,90 EUR Nitriding hardened clutch bell: 40,50 EUR complete price:.......................150,40 EURAdjustable 3-shoe clutch for:Zenoah / Losi / Chung Yang / HPI - Fuelie / Smartech PT and many other engines.The Big Scale-Race clutch is equipped with 1.4 mm springs. This version is particularly suitable for on-road use. (not for Formular 1)The GPM-Big Scale clutch:Suitable for racing and for the ambitious hobbyist driver. Unlike the stock clutch, the installed GPM-Big Scale clutch can be adjusted by turning one single screw. A 2.5 mm allen key wrench is required for this application. Therefore it is possible to precisely adjust the clutch engagement depending on track characteristics.Handling instructions for three-shoe clutches y0730 GPM Big Scale Cross and y0731 GPM Big Scale RaceInstallation:The GPM Big Scale clutch will be bolted to the crankshaft using the supplied CSH-screw.It should be noted that the use of thread locking compound on that screw is neither necessary nor recommended!Removal:Remove the CSH-screw with a 4mm Allen wrench; then insert a suitable M8 bolt and remove the clutch from the crankcase cone by tightening that bolt. Hole for adjustment:For clutch adjustment without removing the clutch bell a 4 4.5 mm hole must be drilled into the clutch bell for access to the adjustment screw. Placement of the hole depends on clutch bell dimensions and car; so you have to make your own measurements for the placement of the hole.It is important that the drilled hole is thoroughly deburred (at least on the inside of the clutch bell) to prevent excessive clutch pad wear. Breaking in:A new clutch or shoes fitted with new pad should always be broken in. Therefore the clutch engagement speed should not be too high for the first tank of fuel. This gives the lining the possibility to adjust to the clutch bell without glazing. The only difference between two clutches is the clutch spring rate, which provides the optimal range for clutch engagement depending on the application. The three available versions of clutch springs provide adjustability within the following RPM ranges:Silver springs 1.3 mm y0730/05 (standard on Big Scale Cross): 5,000 9,500 RPMGold springs y0730/06 1.4 mm (standard on Big Scale Race): 6,500-11,500 rpm Adjustment:Adjustment of the clutch engagement speed is done by one single screw using a Handling instructions for three-shoe clutches y0730 GPM Big Scale Cross and y0731 GPM Big Scale RaceInstallation:The GPM Big Scale clutch will be bolted to the crankshaft using the supplied CSH-screw.It should be noted that the use of thread locking compound on that screw is neither necessary nor recommended!Removal:Remove the CSH-screw with a 4mm Allen wrench; then insert a suitable M8 bolt and remove the clutch from the crankcase cone by tightening that bolt. Hole for adjustment:For clutch adjustment without removing the clutch bell a 4 4.5 mm hole must be drilled into the clutch bell for access to the adjustment screw. Placement of the hole depends on clutch bell dimensions and car; so you have to make your own measurements for the placement of the hole.It is important that the drilled hole is thoroughly deburred (at least on the inside of the clutch bell) to prevent excessive clutch pad wear. Breaking in:A new clutch or shoes fitted with new pad should always be broken in. Therefore the clutch engagement speed should not be too high for the first tank of fuel. This gives the lining the possibility to adjust to the clutch bell without glazing. The only difference between two clutches is the clutch spring rate, which provides the optimal range for clutch engagement depending on the application. The three available versions of clutch springs provide adjustability within the following RPM ranges:Silver springs 1.3 mm y0730/05 (standard on Big Scale Cross): 5,000 9,500 RPMGold springs y0730/06 1.4 mm (standard on Big Scale Race): 6,500-11,500 rpm Adjustment:Adjustment of the clutch engagement speed is done by one single screw using a 2.5 mm Allen wrench. Turning the screw in increases the stall speed, backing it out will lower the stall speed. The adjusting screw is thread locked to keep the setting. Should you realize that the screw can be turned too easily please re-apply medium strength thread locking compound.Finding the best clutch engagement speed:The best clutch engagement speed should be found while driving on the track, it depends on engine characteristic, track layout, track surface and driving style.It is recommended to start with the lowest setting (which means the set screw just touching the adjustment cam) and gradually turning the adjusting screw in while doing test runs after every adjustment.If you feel that you have exceeded your best engagement speed (clutch will slip too much), back the screw out for a little bit to avoid excessive wear or glazing of the pads.Attention: You must use adhesive y0743 Clutch-Safe when replacing clutch pads!
Regular price Big Scale Clutch: 109,90 EUR Nitriding hardened clutch bell: 40,50 EUR complete price:.......................150,40 EURAdjustable 3-shoe clutch for:Zenoah / Chung Yang / HPI - Fuelie / Smartech PT and many other engines.The Big Scale-Cross clutch is equipped with 1.3 mm springs. This version is particularly suitable for off-road use.The GPM-Big Scale clutch:Suitable for racing and for the ambitious hobbyist driver. Unlike the stock clutch, the installed GPM-Big Scale clutch can be adjusted by turning one single screw. A 2.5 mm allen key wrench is required for this application.Therefore it is possible to precisely adjust the clutch engagement depending on track characteristics.Attention: You must use adhesive y0743 Clutch-Safe when replacing clutch pads!
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regular Price GPM Big Scale - ALLOY 119,90 EUR===================================The Big Scale-ALLOY clutch is equipped with 1.4 mm springs.This version is particularly suitable for on-road use.Adjustable 3-shoe clutch for:Zenoah / Chung Yang / HPI - Fuelie / Smartech PT and many other engines.The GPM-Big Scale clutch:Suitable for racing and for the ambitious hobbyist driver. Unlike the stock clutch, the installed GPM-Big Scale clutch can be adjusted by turning one single screw. A 2.5 mm allen key wrench is required for this application.Therefore it is possible to precisely adjust the clutch engagement depending on track characteristics.Slight aluminum deposits in the clutch bell and corresponding wear marks in the clutch shoes are normal with the Big Scale ALLOY clutch and have no negative effect on the function. Caution: It is very important that when swapping the full-aluminum clutch shoes against the organic friction pads of a Big Scale CROSS or RACE to use a different or new , because the rough surface of the aluminum deposits in the clutch bell left by the Big Scale ALLOY will cause a high wear on the organic pads.
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Genuine GPM spare/option part. The Big Scale-Cross clutch is equipped with 1.3 mm springs, is especially suitable for Off-Road use.Adjustable 3-shoe clutch for:ZenoahChung YangHPI - FueliSmartech PTAnd many other enginesThe GPM-Big Scale clutch:Suitable for racing and for the ambitious hobbyist driver. Unlike the stock clutch, the installed GPM-Big Scale clutch can be adjusted by turning one single screw. A 2.5 mm allen key wrench is required for this application.Therefore it is possible to precisely adjust the clutch engagement depending on track characteristics.Attention: You must use adhesive y0743 Clutch-Safe when replacing clutch pads!y0730y0731Content:1 piece
Regular price Big Scale Clutch: 109,90 EUR Nitriding hardened clutch bell: 40,50 EUR complete price:.......................150,40 EURAdjustable 3-shoe clutch for:Zenoah / Chung Yang / HPI - Fuelie / Smartech PT and many other engines.The delivery content:- y0730 GPM Big Scale-Cross adjustable 3 shoe clutch, 1 pce. - y0729 Gas-nitrited tuning clutch bell for HPI Baja, 1 pce. The Gas-nitrited tuning clutch bell:Gas-nitrited tuning clutch bell machined from high grade steel with a hole for easy clutch adjustment. Special vents remove dirt and clutch lining debris automatically, preventing it from accumulating in the clutch bell and causing premature wear to clutch bell and linings. They aid in cooling of the clutch bell as well. The clutch bell features a significantly reinforced wearing surface and face which guarantees dimensional stability even under high loads! The shaft is a tiny bit longer than stock (about 0.2 mm) to prevent the bearings from binding. Since this clutch bell is single-piece machined from bar stock there is no weld bead on the inside of the face plate. The gained space allows now to use the adjustable GPM Big Scale-Cross clutch. Suitable for genuine slot drive HPI pinions. Comes with bolts and spring washers included.The GPM-Big Scale clutch:Suitable for racing and for the ambitious hobbyist driver. Unlike the stock clutch, the installed GPM-Big Scale clutch can be adjusted by turning one single screw. A 2.5 mm allen key wrench is required for this application.Therefore it is possible to precisely adjust the clutch engagement depending on track characteristics.Handling instructions for three-shoe clutches y0730 GPM Big Scale Cross and y0731 GPM Big Scale RaceInstallation:The GPM Big Scale clutch will be bolted to the crankshaft using the supplied CSH-screw.It should be noted that the use of thread locking compound on that screw is neither necessary nor recommended!Removal:Remove the CSH-screw with a 4mm Allen wrench; then insert a suitable M8 bolt and remove the clutch from the crankcase cone by tightening that bolt. Hole for adjustment:For clutch adjustment without removing the clutch bell a 4 4.5 mm hole must be drilled into the clutch bell for access to the adjustment screw. Placement of the hole depends on clutch bell dimensions and car; so you have to make your own measurements for the placement of the hole.It is important that the drilled hole is thoroughly deburred (at least on the inside of the clutch bell) to prevent excessive clutch pad wear. Breaking in:A new clutch or shoes fitted with new pad should always be broken in. Therefore the clutch engagement speed should not be too high for the first tank of fuel. This gives the lining the possibility to adjust to the clutch bell without glazing. The only difference between two clutches is the clutch spring rate, which provides the optimal range for clutch engagement depending on the application. The three available versions of clutch springs provide adjustability within the following RPM ranges:Silver springs 1.3 mm y0730/05 (standard on Big Scale Cross): 5,000 9,500 RPMGold springs y0730/06 1.4 mm (standard on Big Scale Race): 6,500-11,500 rpm Adjustment:Adjustment of the clutch engagement speed is done by one single screw using a 2.5 mm Allen wrench. Turning the screw in increases the stall speed, backing it out will lower the stall speed. The adjusting screw is thread locked to keep the setting. Should you realize that the screw can be turned too easily please re-apply medium strength thread locking compound.Finding the best clutch engagement speed:The best clutch engagement speed should be found while driving on the track, it depends on engine characteristic, track layout, track surface and driving style.It is recommended to start with the lowest setting (which means the set screw just touching the adjustment cam) and gradually turning the adjusting screw in while doing test runs after every adjustment.If you feel that you have exceeded your best engagement speed (clutch will slip too much), back the screw out for a little bit to avoid excessive wear or glazing of the pads.Attention: You must use adhesive y0743 Clutch-Safe when replacing clutch pads!
Customers also viewed
With the Big Scale-EXTREME an adjustable clutch for very special requirements has been designed:For large-displacement enginesFor heavy or high traction cars (Losi, HPI)For modified performance enginesFor the demanding off-road useRapid wear of a clutch is a sign of constant slipping, even beyond engagement speed. In this case, the clutch does not transfer the applied torque.This is where the Big ScaleEXTREME sets a new standard.The new design of the "Extreme" prevents the centrifugal forces of clutch springs or lever side of the clutch shoes from counteracting the centrifugal force of the friction pad side even after engagement.As a result this clutch can transfer lots of power with minimal wear.The new design ensures that the centrifugal forces are transferred in full to the clutch lining. Precise engagement and disengagement even under high loads and inside of closed clutch bell carriers means no problem for this clutch.The clutch can be easily adjusted to the engagement speed through three set screws without clutch bell removal, so you can match the characteristics of your engine.The special clutch lining of the Big Scale-EXTREME is particularly wear-resistant and - especially in combination with a high-quality nitrited clutch bell (), guarantees for an exceptionally long service life! Contrary to the "Cross" or "Race" version there's no need to uninstall the clutch from the engine for maintenance. All parts are easily accessible from the front after removing the front plate.Please see the specifications tab for further information and handling advices!The regular price of the Big Scale-EXTREME is EUR 139.90
y0732_01 Clutch shoes:
With tuning alloy clutch pads+ 10EUR
Regular price Big Scale Clutch: 109,90 EUR Nitriding hardened clutch bell: 40,50 EUR complete price:.......................150,40 EURAdjustable 3-shoe clutch for:Zenoah / Losi / Chung Yang / HPI - Fuelie / Smartech PT and many other engines.The Big Scale-Race clutch is equipped with 1.4 mm springs. This version is particularly suitable for on-road use. (not for Formular 1)The GPM-Big Scale clutch:Suitable for racing and for the ambitious hobbyist driver. Unlike the stock clutch, the installed GPM-Big Scale clutch can be adjusted by turning one single screw. A 2.5 mm allen key wrench is required for this application. Therefore it is possible to precisely adjust the clutch engagement depending on track characteristics.Handling instructions for three-shoe clutches y0730 GPM Big Scale Cross and y0731 GPM Big Scale RaceInstallation:The GPM Big Scale clutch will be bolted to the crankshaft using the supplied CSH-screw.It should be noted that the use of thread locking compound on that screw is neither necessary nor recommended!Removal:Remove the CSH-screw with a 4mm Allen wrench; then insert a suitable M8 bolt and remove the clutch from the crankcase cone by tightening that bolt. Hole for adjustment:For clutch adjustment without removing the clutch bell a 4 4.5 mm hole must be drilled into the clutch bell for access to the adjustment screw. Placement of the hole depends on clutch bell dimensions and car; so you have to make your own measurements for the placement of the hole.It is important that the drilled hole is thoroughly deburred (at least on the inside of the clutch bell) to prevent excessive clutch pad wear. Breaking in:A new clutch or shoes fitted with new pad should always be broken in. Therefore the clutch engagement speed should not be too high for the first tank of fuel. This gives the lining the possibility to adjust to the clutch bell without glazing. The only difference between two clutches is the clutch spring rate, which provides the optimal range for clutch engagement depending on the application. The three available versions of clutch springs provide adjustability within the following RPM ranges:Silver springs 1.3 mm y0730/05 (standard on Big Scale Cross): 5,000 9,500 RPMGold springs y0730/06 1.4 mm (standard on Big Scale Race): 6,500-11,500 rpm Adjustment:Adjustment of the clutch engagement speed is done by one single screw using a Handling instructions for three-shoe clutches y0730 GPM Big Scale Cross and y0731 GPM Big Scale RaceInstallation:The GPM Big Scale clutch will be bolted to the crankshaft using the supplied CSH-screw.It should be noted that the use of thread locking compound on that screw is neither necessary nor recommended!Removal:Remove the CSH-screw with a 4mm Allen wrench; then insert a suitable M8 bolt and remove the clutch from the crankcase cone by tightening that bolt. Hole for adjustment:For clutch adjustment without removing the clutch bell a 4 4.5 mm hole must be drilled into the clutch bell for access to the adjustment screw. Placement of the hole depends on clutch bell dimensions and car; so you have to make your own measurements for the placement of the hole.It is important that the drilled hole is thoroughly deburred (at least on the inside of the clutch bell) to prevent excessive clutch pad wear. Breaking in:A new clutch or shoes fitted with new pad should always be broken in. Therefore the clutch engagement speed should not be too high for the first tank of fuel. This gives the lining the possibility to adjust to the clutch bell without glazing. The only difference between two clutches is the clutch spring rate, which provides the optimal range for clutch engagement depending on the application. The three available versions of clutch springs provide adjustability within the following RPM ranges:Silver springs 1.3 mm y0730/05 (standard on Big Scale Cross): 5,000 9,500 RPMGold springs y0730/06 1.4 mm (standard on Big Scale Race): 6,500-11,500 rpm Adjustment:Adjustment of the clutch engagement speed is done by one single screw using a 2.5 mm Allen wrench. Turning the screw in increases the stall speed, backing it out will lower the stall speed. The adjusting screw is thread locked to keep the setting. Should you realize that the screw can be turned too easily please re-apply medium strength thread locking compound.Finding the best clutch engagement speed:The best clutch engagement speed should be found while driving on the track, it depends on engine characteristic, track layout, track surface and driving style.It is recommended to start with the lowest setting (which means the set screw just touching the adjustment cam) and gradually turning the adjusting screw in while doing test runs after every adjustment.If you feel that you have exceeded your best engagement speed (clutch will slip too much), back the screw out for a little bit to avoid excessive wear or glazing of the pads.Attention: You must use adhesive y0743 Clutch-Safe when replacing clutch pads!
Variants from €129.99*
%
regular Price GPM Big Scale - ALLOY 119,90 EUR===================================The Big Scale-ALLOY clutch is equipped with 1.4 mm springs.This version is particularly suitable for on-road use.Adjustable 3-shoe clutch for:Zenoah / Chung Yang / HPI - Fuelie / Smartech PT and many other engines.The GPM-Big Scale clutch:Suitable for racing and for the ambitious hobbyist driver. Unlike the stock clutch, the installed GPM-Big Scale clutch can be adjusted by turning one single screw. A 2.5 mm allen key wrench is required for this application.Therefore it is possible to precisely adjust the clutch engagement depending on track characteristics.Slight aluminum deposits in the clutch bell and corresponding wear marks in the clutch shoes are normal with the Big Scale ALLOY clutch and have no negative effect on the function. Caution: It is very important that when swapping the full-aluminum clutch shoes against the organic friction pads of a Big Scale CROSS or RACE to use a different or new , because the rough surface of the aluminum deposits in the clutch bell left by the Big Scale ALLOY will cause a high wear on the organic pads.
Genuine Mielke spare/option part.Contents:3 pieces
Genuine GPM spare/option part. Part no. 01 for GPM Big-Scale clutch. Installation ready set of 3 with glued-on organic pads.Replacing the clutch liningsFor replacing the friction pads please proceed as follows:1. Remove clutch from engine2. Disassemble clutch3. Remove the screws fixing the friction pads4. Remove remains of old glue and clean the surface to be bonded of the shoes to bare metal 5. Thoroughly degrease the bonding area of clutch shoes and new pads6. You must use the special adhesive y0743 Clutch-Safe!7. Apply a sufficient and complete layer of the adhesive to the bonding surfaces8. Insert the lining into the clutch shoe and align9. Fix the pad in place with screw y0730/03, just hand-tighten it10. Remove excessive glue with a rag11. Preheat oven to 120 °C.12. Put the clutch shoes into the preheated oven for exactly one hour; let the parts cool down13. Reassemble clutch and install it onto the engine14. Wait at least one hour after the gluing process before using the clutchy0730y0731 Content: 3 x aluminum clutch shoes with3 x press-fitted dowel pins (part no. /15) with3 x glued-on organic clutch pads (part no. /02) with3 x M3x5 mm safety screws (part no. /03) installed
Genuine FG spare/option part. This stroke-up crankshaft changes the stroke from 28mm (standard) to 30mm. The crank-shaft fits the Zenoah engines G230, G240, G260, G270 and G290. No warranty can be provided for engines with modified crank-shaft.Contents:1 piece