PISTON KIT 73-75 YAMAHA RD 250 55.0mm 1.0mm OVER VINTCO PSY17-1.0

VintCo PSY17-1.0 is a piston kit for 1973-1975 Yamaha RD250 models, intended for vintage 2-stroke engine rebuilds. It includes one complete piston assembly with the piston, rings, pin and clips, and is manufactured with modern materials and production techniques for OEM-style fitment and performance. The piston is forged, made in Germany, and MoS2-coated for running-in. A wrist pin bearing is available separately.

Features

• Suitable for vintage 2-stroke Yamaha RD250 engine rebuilds
• Includes piston, rings, pin and clips
• Supplied as one complete piston assembly
• Wrist pin bearing sold separately
• Designed for OEM-style fitment and performance

Specifications

• VintCo Part Number: PSY17-1.0
• Product type: Piston kit
• Piston diameter: 55.0 mm
• Oversize: +1.0 mm
• Piston size: 54.93 mm
• Clearance: 0.07 mm
• Piston construction: Forged
• Coating: MoS2
• Country of manufacture: Germany

Vehicle Fitments

• 1973 Yamaha RD250
• 1974 Yamaha RD250
• 1975 Yamaha RD250