Namura .040 Over Bore Top End Kit for Yamaha Timberwolf 250 1992-2000 72mm

.040 Over Bore Top End Kit for Yamaha Timberwolf 250 (1992-2000)

This aftermarket .040 over bore top end kit is designed for the Yamaha Timberwolf 250 models from 1992 to 2000, providing a 72mm bore diameter and all necessary components for a complete top-end rebuild.

Overview

This .040 over bore top end kit offers a reliable replacement for the Yamaha Timberwolf 250 engine. It includes a piston, rings, pin, and head gasket for a complete rebuild. Designed for 1992-2000 models, it increases displacement slightly while maintaining factory tolerances.

Built For Performance

• 72mm bore - .040 over size for increased displacement
• Includes precision-ground piston rings for optimal compression
• Wrist pin and circlips included for secure assembly
• Complete head gasket included for top-end seal
• Cast from high-strength aluminum alloy

Fits These Machines

• for Yamaha Timberwolf 250 (1992-2000)

On-The-Job Use

• Trail riding and recreational ATV use
• Engine rebuilds for Yamaha Timberwolf 250
• Farm and utility applications requiring reliable power
• Restoring top-end performance after wear

Specs At A Glance

Good To Know

Q: What is the bore size of this top end kit? A: It is a .040 over bore at 72mm diameter, providing a slight increase in displacement over standard.

Q: Does this kit include a head gasket? A: Yes, it comes with a complete set including piston, rings, wrist pin, and head gasket for a full top-end rebuild.

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