Namura .020 Over Bore Piston Kit for Suzuki RM125 fits 1989-2000 Models 54.5mm

.020 Over Bore Piston Kit for Suzuki

This .020 over bore piston kit is a direct replacement upgrade for Suzuki RM125 models from 1989 to 2000, featuring a 54.5mm bore diameter.

Overview

The piston kit is manufactured with high-silicon aluminum alloy for excellent heat dissipation and durability. This .020 over bore piston kit increases displacement slightly while maintaining proper compression. It is intended for Suzuki RM125 motorcycles from the 1989-2000 model years.

Built For Performance

• High-silicon aluminum alloy for reduced weight and thermal stability
• Precision-machined ring grooves for optimal sealing
• Includes rings, wrist pin, and circlips for complete assembly
• Moly-coated skirt for reduced friction and scuff resistance
• CNC-machined dome for precise compression ratio

Fits These Machines

• for Suzuki RM125 (1989-2000)

On-The-Job Use

• Used in motocross competition for enhanced performance
• Ideal for off-road trail riding and enduro events
• Suitable for recreational dirt bike riding
• Commonly installed in RM125 engines during rebuilds

Specs At A Glance

Good To Know

Q: Is this piston kit a direct replacement for the OEM piston? A: Yes, it is designed to fit the original cylinder after a .020 over bore, using the same wrist pin and rings.

Q: Do I need to re-bore my cylinder to install this kit? A: Yes, this oversize piston requires the cylinder to be bored to 54.5mm to ensure proper clearance.

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