Namura Standard Bore Cylinder for Honda 2004-2009 CRF250R & 2004-2017 CRF250X

Namura Standard Bore Cylinder for Honda

This Namura standard bore cylinder is a direct replacement for Honda CRF250R and CRF250X models, restoring engine compression and performance.

Overview

This Namura standard bore cylinder is precision-engineered for Honda CRF250R (2004-2009) and CRF250X (2004-2017) dirt bikes. It provides a durable bore surface for standard piston rings, ensuring a reliable engine rebuild. Riders benefit from restored power and consistent performance on the track or trail.

Built For Performance

• Cast from high-grade aluminum alloy for strength and heat dissipation
• Nickel-silicon carbide plating for long wear resistance
• Machined to exact OEM specifications for direct fit
• Tested for consistent wall thickness and roundness
• Lightweight design reduces overall engine weight
• Compatible with OEM pistons and rings

Fits These Machines

• for Honda CRF250R (2004-2009)
• for Honda CRF250X (2004-2017)

On-The-Job Use

• Motocross racing
• Enduro and trail riding
• Engine rebuilds for competition or recreation
• Off-road practice and training

Specs At A Glance

Good To Know

Q: Is this cylinder compatible with stock pistons? A: Yes, it is a standard bore cylinder designed for use with OEM size pistons and rings.

Q: Does this cylinder require any special preparation before installation? A: It is recommended to check ring end gap and cylinder clearance according to your service manual for optimal results.

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