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Upgrade your performance with the ATHENA Hyper Race 70cc big bore cylinder kit, designed for racing enthusiasts seeking maximum power and reliability. This comprehensive kit includes a high-performance cylinder, cylinder head, piston assembly, reeds, and gaskets, providing all essential components for a complete upgrade. The cylinder features advanced porting and durable construction to enhance airflow and combustion efficiency, resulting in increased horsepower and acceleration. The included cylinder head is optimized for racing conditions, ensuring optimal combustion and cooling during demanding rides.
The piston kit comprises a precision-machined piston, rings, wrist pin, and circlips, delivering a seamless fit and reliable operation. The design emphasizes lightweight construction to reduce reciprocating mass, contributing to faster throttle response and higher RPM potential. The carburetor features a manual choke assembly, allowing precise air-fuel mixture control for optimal engine performance across various conditions.
The Hyper Race crankshaft is engineered with a lighter connecting rod, full crank rounds, and specialized needle bearings, providing smooth rotation and durability under racing loads. Note that this crankshaft is incompatible with OEM or standard Athena big bore pistons due to its larger 12mm wrist pin size, making it ideal for custom builds requiring specific components. Overall, the ATHENA Hyper Race 70cc big bore kit is a perfect choice for racers and performance-minded riders aiming for maximum power output and engine longevity. This kit offers a versatile upgrade path with all parts available separately for customization and tuning to suit individual preferences and racing requirements.
Features:
US Dollars
