BOLT - CHAD-YZF4 - Chain Adjuster Block - Yamaha
The BOLT CHAD-YZF4 is a billet aluminum chain adjuster block for 2009-2026 Yamaha off-road bikes (including the YZ250FX, YZ450FX, and YZ250F), designed for single-wrench adjustments with unique aligning marks and a threaded design that uses the stock axle — made in the USA with stainless steel fasteners.
Features
- Hold the wheel precisely in place while tightening the chain
- Unique design means only one 10mm wrench is needed to make chain adjustments
- Each block has aligning marks for simple adjustments
- One block is threaded to utilize the stock axle
- Stainless steel fasteners come with thread lubricant
- Made in the USA
Specs
- Type: Block
- Units: Each
- Riding Style: Off-Road
- Color/Finish: Raw
- Product Name: Chain Adjuster
- Material: Billet Aluminum
Frequently Asked Questions - BOLT - CHAD-YZF4 - Chain Adjuster Block - Yamaha
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
