KOSO BIG BORE KIT 150CC – Honda Grom / Monkey 125 (2022+) with 5 Speed Transmission.
Made from the best components available on the market. the 150cc Big Bore kit is the perfect addition to upgrade your performance! The kit includes a black powder coated cylinder. 54 mm forged piston. rings. pin and gasket kit. Its compression ratio of 11.38 to 1 will allow you to still use premium pump gas and keep the reliability of a stock motor.
Specifications
- Cylinder displacement:150 cc
- Cylinder material:Aluminum /Black powder coated
- Piston size:54 mm
- Piston type:Forged
- Compression ratio:11.38:1
- Kit includes:piston ring. piston. pin. gasket kit and cylinder
*Please note: Not Compatible with 2014-2020 Honda Grom
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