511M05400 Std Piston Kit for Suzuki RM125 1981-1984 54.00 mm Standard Bore

Piston Kit for Wiseco

Standard bore 54.00 mm piston kit for Suzuki RM125 applications, brought to you by Wiseco under part number 511M05400, engineered to restore top-end compression and performance.

Overview

This Wiseco piston kit delivers standard bore replacement for Suzuki RM125 models from 1981 through 1984. The 511M05400 kit is a direct-fit top-end solution for riders rebuilding worn cylinders or restoring lost compression. It suits motocross riders, restorers, and mechanics servicing classic two-stroke machines.

Built For Performance

• 54.00 mm standard bore size for stock cylinder dimensions
• Wiseco forged piston construction for strength under high RPM
• Complete kit includes piston, rings, pin, and clips
• Precision machined for consistent fit and sealing
• Designed for Suzuki RM125 two-stroke application
• Restores compression and engine response

Fits These Machines

• for Suzuki RM125 1981
• for Suzuki RM125 1982
• for Suzuki RM125 1983
• for Suzuki RM125 1984

On-The-Job Use

• Top-end rebuilds on vintage motocross bikes
• Restoration projects for classic Suzuki RM125 machines
• Routine piston replacement during engine service
• Race prep for two-stroke performance builds

Specs At A Glance

Good To Know

Q: Does this kit fit my 1982 Suzuki RM125? A: Yes, this kit is designed for Suzuki RM125 models from 1981 through 1984 with a standard 54.00 mm bore. Confirm your cylinder is at stock bore before ordering.

Q: What is included in the kit? A: The kit typically includes the piston, rings, wrist pin, and circlips for a complete top-end replacement. Verify contents against your service needs before installation.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.