736M06800 Wiseco Single Ring Std Piston Kit for Yamaha YZ250 WR250 1992-1998 68m

Piston Kit for Yamaha YZ250/WR250

This Wiseco single ring standard piston kit fits Yamaha YZ250 and WR250 machines from 1992 through 1998, cross-referencing OEM numbers 736M06800 at a 68mm bore.

Overview

This 68mm single ring piston kit is built for riders rebuilding a Yamaha YZ250 or WR250 from the 1992 to 1998 era. The Wiseco kit restores compression and sealing at the standard bore, making it a direct replacement choice for top-end service. It suits racers and trail riders who want dependable performance from a proven piston design.

Built For Performance

• Single ring design reduces friction for quicker throttle response
• 68mm standard bore matches the factory cylinder size
• Forged construction for strength under high heat and load
• Designed to cross-reference OEM number 736M06800
• Includes piston, ring, wrist pin, and circlips for a complete top-end rebuild

Fits These Machines

• for Yamaha YZ250, 1992-1998
• for Yamaha WR250, 1992-1998

On-The-Job Use

• Top-end rebuilds during routine engine maintenance
• Motocross racing on two-stroke YZ250 machines
• Trail and enduro riding on WR250 models
• Restoring compression on high-hour engines

Specs At A Glance

Good To Know

Q: Does this kit include the piston ring and wrist pin? A: Yes, this single ring piston kit ships with the ring, wrist pin, and circlips needed for installation. Q: How do I confirm the correct bore size for my machine? A: Check your engine displacement and measure the existing cylinder to confirm the 68mm standard bore matches before ordering.

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