Koso 170cc 61mm Big Bore Kit - Honda Grom & Monkey (2014-2020) 60s Fits all 10" Vespa models

Fits all 10" Vespa models without front gloveboxes

Nearly 60 years of operation have passed

The YXB series of scooter shocks from Bitubo are a single chamber mono shock that is gas (nitrogen) pressurized

Genuine Roughhouse 50 Sport - Front Genuine Roughhouse 50 - Front Genuine Urbano 50i - Front and Rear Genuine Urbano 125 - Front and Rear Genuine Rattler 125 - Front Genuine Hooligan 170i - Front Genuine Urbano 200i - Front and Rear Genuine Rattler 200i - Front VESPA

Peugeot: Speedfight 1

Koso 170cc 61mm Big Bore Kit - Honda Grom & Monkey (2014-2020) 60s Fits all 10" Vespa modelsWant to unleash all the power your Honda Grom can handle? Koso's 170cc Big Bore Kit (MB623002) is the perfect addition for you! The kit includes a ceramic coated cylinder, 61mm forged piston, rings, pin, gasket kit and banjo bolts. Its compression ratio of 11. 5 to 1 will allow you to still use premium pump gas and keep the reliability of a stock motor. Made from the best components available on the market, Koso's 170cc big bore kit will amaze you!