The KOSO MU640000 cam chain tensioner assembly is a high-quality OEM replacement designed for Honda MSX125 Grom models from 2021 to 2023, including ABS variants. Engineered to meet or exceed OEM specifications, this tensioner ensures reliable operation and consistent engine timing. Its durable construction helps prevent premature wear issues commonly associated with factory units, providing longer-lasting performance and peace of mind for motorcycle enthusiasts.

Built with precision and quality materials, the KOSO MU640000 tensioner is highly recommended for use with Koso big bore kits, where enhanced durability and stability are critical. This component maintains optimal tension on the cam chain, reducing the risk of slack, chain slap, or potential engine damage. It is an essential upgrade for riders who want to enhance their bike’s longevity and performance without compromising OEM reliability.

Compatible with Honda MSX125 Grom (2021-2023), including ABS models, this tensioner is straightforward to install and designed to fit seamlessly into the existing engine assembly. Whether you are performing routine maintenance or upgrading for higher performance, the KOSO MU640000 cam chain tensioner provides an excellent balance of quality, durability, and value for your motorcycle.

Features:

• High quality OEM replacement cam chain tensioner assembly

• Lasts longer than OEM units prone to premature wear

• Highly recommended for use with Koso big bore kits

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