NEW KOSO 2013 2020 HONDA GROM MSX125 MONKEY Z125 BIG BORE KIT 170cc MB623002

  
Unleash all the power your Honda GROM can handle with the Koso 170cc Big Bore kit. 61mm bore, 11.5:1 compression ratio forged piston/ring kit (premium fuel required). Top end gasket kit and banjo bolts. Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available. ECU Modification Fuel Tuner are mandatory. 2020 - MSX125A Grom ABS. 2020 - Z125A Monkey ABS. 2019 - MSX125A Grom ABS. 2019 - Z125A Monkey ABS. 2018 - MSX125A Grom ABS. This is to ensure your package gets to you as quickly and as well packaged as possible. Our inventory is constantly updating and changing, we do our best to keep it as accurate as possible.

However, in some instances seasonal items sell very fast and can be subject to temporary delays. In the event of a prolonged delay we will make our best effort to contact and notify you of such delays. We will do our best to work with you to get you your item as fast as possible. Electrical parts are NOT returnable.