Description
The race version of the popular Athena 70cc big bore kit.
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- Complete kit includes: Shaped, domed cylinder head, state of the art cylinder with special porting, lighter flat top piston assembly (all of which are designed for higher compression and improved combustion efficiency)
- Also included: A forged crankshaft assembly with larger 12mm wrist pin, top end gasket set, 19mm DellÆOrto carburetor, carbon reed valve petals, and Athena racing exhaust system
- Throttle cable sold separately
- Replacement of clutch rollers and springs may be needed for proper tuning
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