The SPEED TEC EXPERT genuine Zenoah G260 engine is optimized for performance with sophisticated craftsmanship and guarantees, besides greatly increased performance, excellent workmanship and stamina. SPEED TEC EXPERT version modifications: Cylinder: Adjustment of compression; enlarged ports, fuel management milled, machined and polished exhaust and intake. Piston: weight reduced; skirt shortened; oil rings, piston above and below piston ring tapered and piston dome ground. Crankshaft: is adjusted and aligned. Flywheel: weight reduced and checked for runout. Gaskets: use of premium quality gaskets.To achieve the optimum performance gain of a SPEED TEC EXPERT engine, we recommend the use of a tuned pipe ( to the tuned pipes ).

Race ported top end set for Zenoah G260 engine.The SPEED TEC EXPERT genuine Zenoah G260 race ported top end set is optimized for performance with sophisticated craftsmanship and when accurately installed - guarantees, besides greatly increased performance, excellent workmanship and stamina. SPEED TEC EXPERT version modifications: Cylinder: Adjustment of compressionnlarged portsFuel management milledModified exhaust and intake Piston: Weight reducedSkirt shortenedOil ringsPiston above and below piston ring tapered and piston dome ground The set includes the following items: Performance-optimized cylinder and piston, piston ring, piston pin, piston pin circlips and cylinder gasket.To achieve the optimum performance gain of a SPEED TEC EXPERT top end set, we recommend the use of a tuned pipe ().Each SPEED TEC Tuning cylinder set comes with a small amount of a spec. assembly lube for the installation of piston and piston ring. This spec. lube provides the required lubrication to the engine for the first start and dissolves without residue!