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Namura .060 Over Bore Piston Kit for Yamaha BearTracker 250 1999-2004 72.5mm

Namura .060 Over Bore Piston Kit for Yamaha BearTracker 250 1999-2004 72.5mm

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Namura .060 Over Bore Piston Kit for Yamaha BearTracker 250

This is a high-performance .060 over bore piston kit designed to replace the original piston in Yamaha BearTracker 250 models from 1999 to 2004, providing improved displacement and power output.

Overview

The Namura .060 over bore piston kit is a direct replacement for Yamaha BearTracker 250 engines, increasing displacement by 0.060 inches for added torque and horsepower. It is engineered for riders seeking enhanced performance from their 1999-2004 BearTracker. This piston kit ensures reliable operation and smooth power delivery.

Built For Performance

  • Manufactured from high-strength aluminum alloy for durability
  • Precision-machined to .060 over bore specification (72.5mm)
  • Includes piston, rings, and wrist pin for complete installation
  • Designed to withstand high temperatures and stress
  • Reduces reciprocating weight for improved engine response

Fits These Machines

  • for Yamaha BearTracker 250 (1999-2004)

Specs At A Glance

Bore Size 72.5mm
Oversize .060 inch
Kit Includes Piston, Rings, Wrist Pin

Good To Know

Q: Will this piston kit fit my 2002 BearTracker? A: Yes, it is designed for Yamaha BearTracker 250 models from 1999 to 2004, including the 2002 model year. Always verify your engine serial number to confirm compatibility.

Q: Do I need to ream the cylinder or replace the cylinder? A: This .060 over bore piston requires the cylinder to be bored and honed to the exact 72.5mm specification. Professional machining is recommended for optimal fit and performance.

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

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Product Product subtotal Quantity Price Product subtotal
Solid Spare Namura .060 Over Bore Piston Kit for Yamaha BearTracker 250 1999-2004 72.5mm
Namura .060 Over Bore Piston Kit for Yamaha BearTracker 250 1999-2004 72.5mm
Namura .060 Over Bore Piston Kit for Yamaha BearTracker 250 1999-2004 72.5mm
$138.49/ea
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$138.49/ea $0.00