Acerbis 21+ Fantic XEF/09+ Yam WR250F/450F/YZ250F/450F/YZ250FX/450FX Chain Guide/Slider Kit 2.0-Blk

The perfect solution for replacing the high-wear area of your bike's drivetrain. The Acerbis Chain Guide Block easily replaces the entire OEM unit and ensures durability coupled with high resistance to shock and wear from the chain. Two-part construction allows for installation without removing the chain.

Restore reliable chain guidance with the Acerbis ACB2449470001 Chain Guide Block and Slider Kit. Designed as a replacement for the high-wear area of your motorcycle’s drivetrain, this kit helps maintain proper chain alignment while protecting the guide assembly from the repeated impact and friction associated with off-road riding. Its durable construction provides high resistance to chain contact, shock, and wear, making it a practical choice for routine maintenance or drivetrain refurbishment.
The Acerbis chain guide uses a convenient two-part construction that allows installation without removing the chain. This design can help reduce service time and simplify replacement when the original guide block or slider has become worn, damaged, or loose. By replacing the complete OEM-style guide assembly, the kit supports consistent chain tracking and helps preserve dependable drivetrain performance during motocross, trail riding, and other demanding powersports use.
This black Acerbis chain guide and slider kit fits select Yamaha applications, including 2009–2013 YZ250F and YZ450F models. Confirm the year, model, and existing chain guide configuration before ordering to ensure proper application. The Acerbis ACB2449470001 provides a focused replacement solution for riders and technicians who need a durable, serviceable chain guide component from an established powersports brand.

Features:

• Construction: Durable chain guide block and slider assembly designed to withstand chain impact, shock, and wear.

• Replacement Design: Replaces the complete OEM-style chain guide unit in the high-wear area of the drivetrain.

• Installation: Two-part construction allows installation without removing the chain.

• Application: Fits select 2009–2013 Yamaha YZ250F and YZ450F motorcycles.

• Brand Compatibility: Genuine Acerbis replacement component, part number ACB2449470001.

Fitment:
Yamaha WR250F Base 2020
Yamaha WR250F Base 2021
Yamaha WR250F Base 2022
Yamaha WR250F Base 2023
Yamaha WR450F Base 2019
Yamaha WR450F Base 2020
Yamaha WR450F Base 2021
Yamaha WR450F Base 2022
Yamaha WR450F Base 2023
Yamaha YZ250F Base 2009
Yamaha YZ250F Base 2010
Yamaha YZ250F Base 2011
Yamaha YZ250F Base 2012
Yamaha YZ250F Base 2013
Yamaha YZ250F Base 2014
Yamaha YZ250F Base 2015
Yamaha YZ250F Base 2016
Yamaha YZ250F Base 2017
Yamaha YZ250F Base 2018
Yamaha YZ250F Base 2019
Yamaha YZ250F Base 2020
Yamaha YZ250F Base 2021
Yamaha YZ250F Base 2022
Yamaha YZ250F Base 2023
Yamaha YZ250FX Base 2020
Yamaha YZ250FX Base 2021
Yamaha YZ250FX Base 2022
Yamaha YZ250FX Base 2023
Yamaha YZ250FX Base 2024
Yamaha YZ450F Base 2009
Yamaha YZ450F Base 2010
Yamaha YZ450F Base 2011
Yamaha YZ450F Base 2012
Yamaha YZ450F Base 2013
Yamaha YZ450F Base 2014
Yamaha YZ450F Base 2015
Yamaha YZ450F Base 2016
Yamaha YZ450F Base 2017
Yamaha YZ450F Base 2018
Yamaha YZ450F Base 2019
Yamaha YZ450F Base 2020
Yamaha YZ450F Base 2021
Yamaha YZ450F Base 2022
Yamaha YZ450FX Base 2020
Yamaha YZ450FX Base 2021
Yamaha YZ450FX Base 2022