All Balls 28-1058 Yamaha YFM 250 Moto-4 1989-1991 Swingarm Bearing & Seal Kit

All Balls Yamaha Swingarm Bearing Kit (28-1058)

Bike Fitment:

• Yamaha YFM 250 Moto-4 1989
• Yamaha YFM 250 Moto-4 1990
• Yamaha YFM 250 Moto-4 1991

Specifications:

• A quality swing arm repair kit from All Balls Racing.
• Bushings are case hardened and plated to prevent wear and corrosion.
• POM composite washer bearings replace thrust needle washers for superior resistance to water and dirt and increase service life.
• Shafts are made from 52100 bearing steel, through hardened and precision ground.
• Needle Bearings are made from 52100 bearing steel and ARC61-65 heat treated ST13 steel shell.