Big Bore Kit 170cc Hon
Unleash all the power your Honda GROM can handle with the Koso 170cc Big Bore kit.
Features:
- Ceramic coated aluminum cylinder
- 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
Designed To Fit:
2013 Honda MSX125 Grom
2014 Honda MSX125 Grom
2015 Honda MSX125 Grom
2016 Honda MSX125 Grom
2017 Honda MSX125 Grom
2018 Honda MSX125 Grom
2018 Honda MSX125A Grom ABS
2019 Honda MSX125 Grom
2019 Honda MSX125A Grom ABS
2019 Honda Z125 Monkey
2019 Honda Z125A Monkey ABS
2020 Honda MSX125 Grom
2020 Honda MSX125A Grom ABS
2020 Honda Z125 Monkey
2020 Honda Z125A Monkey ABS
Unleash all the power your Honda GROM can handle with the Koso 170cc Big Bore kit.
Features:
- Ceramic coated aluminum cylinder
- 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
Designed To Fit:
2013 Honda MSX125 Grom
2014 Honda MSX125 Grom
2015 Honda MSX125 Grom
2016 Honda MSX125 Grom
2017 Honda MSX125 Grom
2018 Honda MSX125 Grom
2018 Honda MSX125A Grom ABS
2019 Honda MSX125 Grom
2019 Honda MSX125A Grom ABS
2019 Honda Z125 Monkey
2019 Honda Z125A Monkey ABS
2020 Honda MSX125 Grom
2020 Honda MSX125A Grom ABS
2020 Honda Z125 Monkey
2020 Honda Z125A Monkey ABS
Product ships in 2-4 business days. Free shipping for orders over $40.
Product ships in 2-4 business days. Free shipping for orders over $40.
WARNING: Cancer and Reproductive Harm -www.P65Warnings.ca.gov.
WARNING: Cancer and Reproductive Harm -www.P65Warnings.ca.gov.
Big Bore Kit 170cc Hon
Unleash all the power your Honda GROM can handle with the Koso 170cc Big Bore kit.
Features:
- Ceramic coated aluminum cylinder
- 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
Designed To Fit:
2013 Honda MSX125 Grom
2014 Honda MSX125 Grom
2015 Honda MSX125 Grom
2016 Honda MSX125 Grom
2017 Honda MSX125 Grom
2018 Honda MSX125 Grom
2018 Honda MSX125A Grom ABS
2019 Honda MSX125 Grom
2019 Honda MSX125A Grom ABS
2019 Honda Z125 Monkey
2019 Honda Z125A Monkey ABS
2020 Honda MSX125 Grom
2020 Honda MSX125A Grom ABS
2020 Honda Z125 Monkey
2020 Honda Z125A Monkey ABS
Unleash all the power your Honda GROM can handle with the Koso 170cc Big Bore kit.
Features:
- Ceramic coated aluminum cylinder
- 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
Designed To Fit:
2013 Honda MSX125 Grom
2014 Honda MSX125 Grom
2015 Honda MSX125 Grom
2016 Honda MSX125 Grom
2017 Honda MSX125 Grom
2018 Honda MSX125 Grom
2018 Honda MSX125A Grom ABS
2019 Honda MSX125 Grom
2019 Honda MSX125A Grom ABS
2019 Honda Z125 Monkey
2019 Honda Z125A Monkey ABS
2020 Honda MSX125 Grom
2020 Honda MSX125A Grom ABS
2020 Honda Z125 Monkey
2020 Honda Z125A Monkey ABS
Product ships in 2-4 business days. Free shipping for orders over $40.
Product ships in 2-4 business days. Free shipping for orders over $40.
WARNING: Cancer and Reproductive Harm -www.P65Warnings.ca.gov.
WARNING: Cancer and Reproductive Harm -www.P65Warnings.ca.gov.