Namura .040 Over Bore Piston Kit for Yamaha TT600 XT600 & SRX600 96mm SEE YEARS

Namura .040 Over Bore Piston Kit for Yamaha

This Namura .040 over bore piston kit is a direct replacement for Yamaha TT600, XT600, and SRX600 motorcycles, featuring a 96mm bore size for engine rebuilds or performance upgrades.

Overview

This Namura .040 over bore piston kit offers an affordable solution for restoring compression and power in Yamaha TT600, XT600, and SRX600 engines. The 96mm piston is machined from high-strength aluminum alloy and includes rings, pin, and circlips for a complete top-end rebuild.

Built For Performance

• High-strength aluminum alloy piston with precise .040 oversize for worn cylinders
• Includes chrome-plated piston rings for reduced friction
• Heat-treated wrist pin and circlips for secure assembly
• CNC-machined to exact tolerances for reliable fit
• Designed for use with standard or performance cylinder heads

Fits These Machines

• for Yamaha TT600
• for Yamaha XT600
• for Yamaha SRX600

On-The-Job Use

• Trail and enduro riding on rough terrain
• Street commuting on older dual-sport bikes
• Engine rebuilds for restoring compression after wear
• Performance rebuilds for increased displacement

Specs At A Glance

Good To Know

Q: Do I need to hone the cylinder before installing this piston kit? A: Yes, for a .040 over bore kit the cylinder must be bored and honed to match the new piston size. Always follow proper engine assembly procedures.

Q: Is this piston set compatible with stock camshafts? A: Yes, the Namura .040 over bore piston works with stock camshafts and valve trains, though valve clearance should be verified during installation.

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