Piston Kit (Cast BigBore)Cast-BB – Cast piston in original OE form for big bore cylinderAll pistons are heat-treated with a T-5 hardening and tempering cycleAll piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston lifeCast piston kits are gravity-cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong pistonBig Bore pistons increase engine’s displacement, torque, and peak horsepowerReplacement two-stroke piston rings sold individually; four stroke piston rings sold as a set
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09106705
Data sheet
- Units
- Kit
- Product Name
- Piston Kit
- Style
- Cast Big Bore
- Piston Material
- Aluminum Alloy| Cast
- Skirt Coating
- Moly Coated
- Engine Type
- 2-Stroke
- Bore Size
- 68,50 mm
- Piston Diameter
- 67,45 mm
- Displacement
- 250 cc
- Compression Ratio
- Standard
- Piston Size
- +1,10 mm
- Ring Material
- Nitride Coated| Steel