Unleash Your Ride: Honda Grom/Monkey Big Bore Kit w/4-Valve Cylinder Head
Elevate your Honda Grom or Monkey to new heights with the Big Bore Kit featuring a 4-valve cylinder head. This upgrade offers a significant boost in performance, enabling riders to experience enhanced acceleration and power. Whether you’re navigating through city streets or tackling winding roads, this kit transforms your bike into a thrilling powerhouse.
Transformative Power: Experience Enhanced Performance
The Big Bore Kit provides a remarkable increase in engine capacity, allowing for smoother power delivery and improved throttle response. This upgrade is designed for riders looking to enhance their experience without compromising reliability. With a 4-valve configuration, expect better airflow and combustion efficiency, resulting in a noticeable performance upgrade.
Designed for Enthusiasts: Engineered for Maximum Efficiency
At Partiron, we understand the passion behind riding. This kit features a Koso ceramic coated big bore cylinder and a complete 4-valve cylinder head, including the camshaft and rocker arms. These components are meticulously engineered to ensure that every ride is exhilarating and efficient, making it an ideal choice for both casual rides and competitive racing.
Race-Ready: Built for Performance and Speed
This kit is not only about everyday rides; it’s also designed for those who crave speed on the track. The enhanced capabilities of the 4-valve setup significantly improve the bike's overall performance, ensuring that you can keep up with the competition. Please note that this product is intended for race use only in California, as it is not legal for street use in pollution-controlled vehicles.
Specifications
| Parameter | Value |
|---|---|
| Kit Type | Big Bore Kit with 4-Valve Cylinder Head |
| Cylinder Material | Ceramic Coated |
| Includes | 4-valve cylinder head, camshaft, rocker arms, intake manifold, gaskets |
| Legal Status in California | Not legal for use in pollution controlled vehicles, race use only |
FAQ
Is this kit suitable for daily riding?
Yes, the Big Bore Kit is designed to enhance your daily riding experience, offering improved performance and responsiveness.
Can I use this kit for racing?
Absolutely! This kit is built for racing applications, providing the performance boost you need to compete effectively.
Fitment:
| Brand | Year | Model |
|---|---|---|
| Honda | 2013 | MSX125 Grom |
| Honda | 2014 | MSX125 Grom |
| Honda | 2015 | MSX125 Grom |
| Honda | 2016 | MSX125 Grom |
| Honda | 2017 | MSX125 Grom |
| Honda | 2018 | MSX125 Grom |
| Honda | 2018 | MSX125A Grom ABS |
| Honda | 2019 | MSX125 Grom |
| Honda | 2019 | MSX125A Grom ABS |
| Honda | 2019 | Z125 Monkey |
| Honda | 2019 | Z125A Monkey ABS |
| Honda | 2020 | MSX125 Grom |
| Honda | 2020 | MSX125A Grom ABS |
| Honda | 2020 | Z125 Monkey |
| Honda | 2020 | Z125A Monkey ABS |











