PISTON KIT 91-91 YAMAHA YZ WR 250 68.01mm STANDARD VINTCO PSY21-00

This piston kit is a standard-size replacement assembly for 1991 Yamaha YZ250 and WR250 models. It includes the piston, rings, pin and clips, and is manufactured in Germany with a forged construction and MoS2 coating to support initial running-in. Wrist pin bearing is sold separately.

Features

• Piston kit includes rings, pin and clips
• Wrist pin bearing sold separately
• Forged piston
• Made in Germany
• MoS2 coated for break-in
• Standard replacement size

Specifications

• VintCo Part Number: PSY21-00
• Bore size: 68.01 mm
• Piston size: 67.95 mm
• Clearance: 0.06 mm

Vehicle Fitments

• 1991 Yamaha WR250
• 1991 Yamaha YZ250