This piston kit is a BIG-bore 43.00 mm replacement assembly for Yamaha 50 cc two-stroke engines, intended for top-end rebuilds and piston replacement on compatible models. It is supplied as a complete kit with the main fitting components required for installation and is designed as a direct replacement for standard-bore applications.

Features

• Direct replacement piston kit for standard-bore engine rebuilds
• Suitable for top-end repair and piston replacement work
• OEM-style coating to assist initial running-in
• Ready-to-install kit for compatible Yamaha two-stroke applications

Specifications

• Piston size: 43.00 mm
• Piston Pin 12mm
• Bore type:  Big Bore
• Engine type: 2-stroke

Kit Contents

• Piston
• Piston rings
• Wrist pin
• Circlips

Cross-Reference OEM Part Numbers

• 56-W9855.000.DR
• PROX 01.2003.000
• 353-11631-00-00
• 4K5-11631-00-00
• 5L3-11631-00-00
• MP-09926

Vehicle Fitments

• Yamaha YSR50, 1950-2014
• Yamaha DT50 AC, 1950-2014
• Yamaha Chappy 50, 1950-2014
• Yamaha LB 50 Chappy, 1950-2014
• Yamaha RD50, 1950-2014
• Yamaha TZR50, 1950-2014