645M04950 Wiseco .080 Piston Kit for Suzuki RM80 1991-2001 49.50 mm

Piston Kit for Suzuki RM80

This Wiseco 645M04950 .080 oversize piston kit is a top-end rebuild component for the Suzuki RM80, bored 49.50 mm to match a cylinder machined 0.080 in over stock.

Overview

This Wiseco piston kit for Suzuki RM80 provides a fresh top end for the 1991-2001 RM80 in a .080 oversize bore. The 49.50 mm piston kit includes the piston, rings, wrist pin, and circlips needed to complete a top-end rebuild. It is intended for riders and mechanics working with a cylinder that has been bored to the matching oversize.

Built For Performance

• .080 oversize 49.50 mm bore to match a machined RM80 cylinder
• Forged piston construction for strength in a high-rpm two-stroke
• Kit includes piston, rings, wrist pin, and circlips for a full top-end refresh
• Precision machined ring grooves and skirt for consistent sealing
• Made as a direct replacement for the original piston when the cylinder is bored to size

Fits These Machines

• for Suzuki RM80 1991
• for Suzuki RM80 1992
• for Suzuki RM80 1993
• for Suzuki RM80 1994
• for Suzuki RM80 1995
• for Suzuki RM80 1996
• for Suzuki RM80 1997
• for Suzuki RM80 1998
• for Suzuki RM80 1999
• for Suzuki RM80 2000
• for Suzuki RM80 2001

On-The-Job Use

• Top-end rebuilds on a cylinder already bored to .080 oversize
• Routine maintenance on two-stroke motocross engines
• Restoring compression and performance on older RM80 machines

Specs At A Glance

Good To Know

Q: Does this piston kit include rings and a wrist pin? A: Yes, this kit ships as a complete top-end set with the piston, rings, wrist pin, and circlips for the oversize bore listed.

Q: Will this fit a stock unmodified RM80 cylinder? A: No, this is a .080 oversize piston, so the cylinder must first be bored and honed to the matching 49.50 mm size.

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