Koso 150cc Big Bore Kit - Honda Grom & Monkey (2022+)
Koso 150cc Big Bore Kit - Honda Grom & Monkey (2022+)
Regular price
$429.99 USD
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Sale price
$429.99 USD
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Made from the best components available on the market, Koso's 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.
***Please Note: You may need to modify your engine case to accommodate the larger cylinder***
*Please note: Compatible with 2022 and newer Honda Grom and Monkey
- Cylinder Displacement: 150cc
- Cylinder Material: Aluminum/Black Powder Coated
- Piston Diameter: 54mm
- Piston Type: Forged
- Compression Ratio: 11.38 to 1
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