Namura .020 Over Bore Piston Kit for Yamaha Timberwolf 250 fits 1992-2000 71.5mm

.020 Over Bore Piston Kit for Yamaha

.020 Over Bore Piston Kit for Yamaha

This .020 over bore piston kit replaces the stock piston in a Yamaha Timberwolf 250 engine to restore compression and performance.

Overview

This .020 over bore piston kit is designed for the Yamaha Timberwolf 250. It provides the needed .020 oversize to clean up cylinder wear and restore compression. This .020 over bore piston kit is a common choice for ATV enthusiasts rebuilding their Timberwolf engine.

Built For Performance

• precision-machined from high-strength aluminum alloy
• .020 oversize to clean up cylinder wear
• includes piston rings, wrist pin, and circlips
• matches OEM clearance specifications
• lightweight design reduces reciprocating mass

Fits These Machines

• for Yamaha Timberwolf 250 (1992-2000)

On-The-Job Use

• trail riding and recreational ATV use
• utility work on farms and ranches
• engine rebuilding after top-end wear
• restoring lost power and oil consumption issues

Specs At A Glance

Bore Diameter	71.5mm
Oversize	.020 inch
Fitment	Yamaha Timberwolf 250 (1992-2000)

Good To Know

Q: Does this kit include everything needed for installation? A: Yes, the kit includes the piston, rings, wrist pin, and circlips for a complete top-end rebuild.

Q: Can I use this piston with a standard bore cylinder? A: No, this .020 over piston requires the cylinder to be bored to 71.5mm to match the oversize.

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