Upgrade your Honda MSX125 Grom with the KOSO MB640000 Big Bore Kit, designed specifically for models from 2021 to 2023 including ABS variants. This performance kit enhances your motorcycle's engine by increasing displacement to 150cc, providing improved power and acceleration while maintaining reliability. The kit includes a high-quality ceramic-coated cylinder, a 61mm forged piston, piston rings, pin, pin clips, a complete gasket kit, and banjo bolts, ensuring all necessary components are covered for a seamless installation.
Designed to optimize performance, the KOSO MB640000 features an impressive compression ratio of 11.5:1, allowing you to utilize premium pump gas without sacrificing engine durability. This balance of power and efficiency makes it suitable for riders looking to enhance their Grom's performance without extensive modifications or compromising reliability. The kit's components are engineered to fit precisely, ensuring a straightforward upgrade process that results in noticeable improvements in throttle response and top-end power.
Whether you’re looking to increase your Grom's agility for street riding or add some extra punch for light off-road adventures, this kit offers a reliable and effective solution. Compatible with the 2021, 2022, and 2023 Honda MSX125 Grom and ABS models, this upgrade is perfect for enthusiasts seeking performance gains while maintaining the stock engine's integrity and ease of use.

Features:

• Includes a ceramic coated cylinder, 61mm forged piston, rings, pin, pin clips, gasket kit, and banjo bolts

• Compression ratio of 11.5 to 1 allows the use of premium pump gas to keep the reliability of the stock motor

Fitment:
2021 Honda MSX125 Grom
2021 Honda MSX125A Grom ABS
2022 Honda MSX125 Grom
2022 Honda MSX125A Grom ABS
2023 Honda MSX125 Grom
2023 Honda MSX125A Grom ABS