ALL BALLS 79-5009 MX UPPER CHAIN ROLLER 34mm YAMAHA YZ250 YZ 250 1978-1981

All Balls Yamaha Upper Chain Roller 34mm (79-5009)

Bike Fitment:

• Yamaha YZ250 1978
• Yamaha YZ250 1979
• Yamaha YZ250 1980
• Yamaha YZ250 1981

Specifications:

• A quality replacement chain roller kit from All Balls Racing.
• Designed as as direct replacement for the OEM design.
• 34mm and 38mm rollers feature an outer mechanical seal to protect the bearings from dirt and water and include mounting hardware.