4675M07100 Wiseco Std Piston Kit for Yamaha Timberwolf 250 1990-2000 71mm

Wiseco Std Piston Kit for Yamaha Timberwolf 250

This Wiseco standard piston kit (cross-reference 4675M07100) is a 71 mm, 8.7:1 compression rebuild component made for the Yamaha Timberwolf 250, letting you refresh top-end power with a proven forged piston.

Overview

This Wiseco Std Piston Kit for Yamaha Timberwolf 250 delivers a direct-fit top-end rebuild solution for 1990-2000 models. The 71 mm, 8.7:1 piston kit restores compression and reliability for riders who depend on their machine for trail and utility work. Each Wiseco piston kit is built to original bore size, making it the go-to choice when a stock rebuild is required.

Built For Performance

• Forged piston construction for added strength under load
• 71 mm standard bore size matches original cylinder dimensions
• 8.7:1 compression ratio maintains factory-spec performance
• Cross-reference 4675M07100 confirms application fit
• Kit includes piston, rings, pin, and clips for a complete top-end refresh

Fits These Machines

• for Yamaha Timberwolf 250 (1990-2000)

On-The-Job Use

• Top-end rebuild after ring wear or loss of compression
• Routine maintenance on high-hour trail machines
• Restoring stock performance after cylinder inspection
• Utility and farm use where dependable power matters

Specs At A Glance

Good To Know

Q: Is this a stock bore piston? A: Yes, this kit uses the 71 mm standard bore to match original cylinder dimensions. Confirm your cylinder has not been overbored before ordering.

Q: Does the kit include rings and pin? A: Rebuild kits of this type typically ship complete with piston, rings, wrist pin, and clips. Verify contents against your service manual during assembly.

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