Namura .060 Over Bore Piston Kit for Yamaha Big Bear 250 2007 2008 2009 72.5mm

.060 Over Bore Piston Kit for Yamaha Big Bear 250

This .060 over bore piston kit is a direct replacement for the Yamaha Big Bear 250, featuring a 72.5mm bore size to increase engine displacement and restore compression.

Overview

The .060 over bore piston kit is designed for Yamaha Big Bear 250 models from 2007 to 2009. This kit increases the cylinder bore to 72.5mm, delivering more power and torque. It is ideal for riders seeking to rebuild their engine with a performance upgrade.

Built For Performance

• Precision-machined from high-strength aluminum alloy
• Includes piston rings and wrist pin for complete installation
• 72.5mm bore size provides increased displacement
• .060 over size accommodates worn cylinder walls
• Designed to meet OEM specifications for reliable fit and function

Fits These Machines

• for Yamaha Big Bear 250 (2007)
• for Yamaha Big Bear 250 (2008)
• for Yamaha Big Bear 250 (2009)

On-The-Job Use

• Used for ATV engine rebuilding and performance upgrades
• Suitable for trail riding and utility work
• Ideal for restoring worn engines to like-new condition
• Provides increased power for climbing and towing

Specs At A Glance

Good To Know

Q: Does this kit include piston rings? A: Yes, the kit includes rings and a wrist pin for a complete installation.

Q: Is this a direct fit for my 2008 Big Bear 250? A: It is designed for 2007-2009 Big Bear 250 models; confirm your cylinder bore condition 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.