Racetech Black Chain Block for Yamaha YZ 125/250 05-06, YZ 250F/450F 05-06 & WR 250F/450F 05-06

The Racetech black chain guide block is a durable component for Yamaha motorcycles from 2005–2006. Specifically designed for the YZ125/250, YZ250F/450F, and WR250F/450F, this block delivers reliable chain guidance and protection under severe riding conditions — ideal for cross-country, training, and competition.

• Compatibility: Precision fit for Yamaha YZ125/250 (2005–2006), YZ250F/450F (2005–2006), and WR250F/450F (2005–2006).
• Color: Black finish for a rugged, low-maintenance look that complements all factory finishes.
• Material: Durable composite construction engineered to withstand impacts and long-term use.
• Easy Installation: Designed for simple assembly with clearly marked mounting points, allowing for quick replacement during maintenance.
• Racetech Quality: Manufactured by Racetech, a brand focused on reliable components for racing and off-road applications.

This chain guide block supports chain tension and guidance under high loads, reducing wear on the chain and sprockets to keep the drivetrain running smoothly. It is a tangible upgrade for riders who value quick rides, track days, and competitions while prioritizing durability and reliability. Use cases range from daily training to intensive races — delivering a consistent chain performance on every ride for the listed Yamaha models.