JOG 70cc 2 Stroke Big Bore Kit with 10mm Wrist Pin

Upgrade your 50cc scooter or ATV with this performance-boosting 70cc big bore kit designed for Yamaha Jog and Minarelli-style 2-stroke engines. This comprehensive kit enhances power and acceleration by increasing displacement while maintaining compatibility with common 50cc 2-stroke platforms.

• 70cc displacement provides a significant power increase over stock 50cc engines.
• 47mm piston diameter is precisely engineered for optimal performance and fit.
• 10mm wrist pin ensures robust connection and durability within the cylinder assembly.
• Included gaskets (cylinder head and base) facilitate a secure and proper seal for reliable operation.
• Complete piston kit with rings and wrist pin is ready for installation.

Compared to standard 50cc kits, this 70cc big bore upgrade offers a more substantial performance jump. It's designed for riders seeking noticeable improvements in acceleration and top-end speed without requiring extensive engine modifications, building upon the reliable foundation of popular Minarelli-replica engines like the 1PE40QMB.

Key Technical Advantages: Technology and Performance

This kit transforms your engine with a high-performance cylinder, piston, and necessary accompanying hardware. It integrates seamlessly with existing 2-stroke Minarelli engines, delivering a potent combination of increased cubic capacity and reliable ignition components. The included electric choke carburetor and high-performance ignition coil system work in synergy to maximize combustion efficiency, resulting in a crisper throttle response and reduced hesitation.