TB 149cc Big Bore & Injector – 2022+ Grom/Monkey125

TB 149cc Big Bore & Injector – 2022+ Grom/Monkey125 TBparts 149cc big bore kit & injector for the 2022+ Honda Grom/Monkey 125. This will make your motorcycle a lot more fun to ride by adding some much needed power. With the larger bore, this bolt-on upgrade kit will give you more power and higher compression for a very reasonable price. This kit does not require boring of the case – simply bolt on, tune (Not included) and go!! This is an ideal option if you’re looking to add some power or you just need a new cylinder, piston, and rings to rebuild your engine. Key features: High quality, Forged, high compression 55mm piston, with rings, pin, & clips 11.8:1 compression ratio compared to Stock 10:1. Our 11.8:1 piston is pump 91+ octane gas friendly. Aluminum cylinder with steel sleeve (55mm) Head gasket kit with exhaust gasket! Fits all 2022+ Honda Grom/Monkey 125 Largest bore you can go without boring the cases More power and fun at an affordable price Clearance to retain