KOSO BIG BORE KIT 150CC - Honda Grom / Monkey 125 (2022+)
$537.95
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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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$429.95
$537.95
(+$108)
$537.95
$429.95
(-$108)
$429.95
$537.95
(+$108)