PISTON KIT 82-84 YAMAHA IT YZ 490 88.5mm OVER VINTCO PSY20-1.5

VintCo PSY20-1.5 is a piston kit for Yamaha IT490 and YZ490 vintage 2-stroke models, supplied in a nominal 88.5 mm size with +1.5 mm oversize. The kit includes the piston, rings, pin and clips, and is produced using modern materials and manufacturing techniques for OEM-comparable fit and performance. This forged piston is made in Germany and features an MoS2 coating to assist running-in; a wrist pin bearing is available separately, and additional size options are also available.

Features

• Designed for vintage 2-stroke engine rebuilds
• Includes piston, rings, pin and clips
• OEM-comparable fit and performance
• Wrist pin bearing sold separately
• Additional size options available

Specifications

• VintCo Part Number: PSY20-1.5
• Nominal size: 88.5 mm
• Oversize: +1.5 mm
• Piston size: 88.42 mm
• Clearance: 0.08 mm
• Manufacturing process: Forged
• Coating: MoS2
• Country of manufacture: Germany

Vehicle Fitments

• 1982 Yamaha YZ490
• 1983 Yamaha IT490
• 1983 Yamaha YZ490
• 1984 Yamaha IT490