Namura Standard Bore Piston Kit Size B for Honda CRF250R fits 2014-2015 76.8mm

Standard Bore Piston Kit Size B for Honda

This Namura standard bore piston kit Size B is a direct replacement piston for Honda CRF250R models from 2014 to 2015, featuring a 76.8mm bore diameter to restore engine performance.

Overview

The standard bore piston kit Size B by Namura is designed to replace worn pistons in Honda CRF250R engines, restoring compression and power. This piston kit is ideal for riders rebuilding their top end, ensuring reliable operation with a precise 76.8mm bore size. The standard bore piston kit delivers consistent performance for both recreational and competitive use.

Built For Performance

• Precision-cast aluminum alloy for strength and durability
• Moly-coated skirt reduces friction and wear
• CNC-machined ring grooves ensure proper ring seating
• Includes piston rings, wrist pin, and circlips for complete installation
• Designed to meet OEM specifications for reliable fitment

Fits These Machines

• for Honda CRF250R (2014-2015)

On-The-Job Use

• Motocross and off-road racing rebuilds
• Trail riding engine maintenance
• Competition top-end refresh kits
• General engine overhaul for Honda CRF250R

Specs At A Glance

Good To Know

Q: Is this piston kit compatible with my 2014 CRF250R? A: Yes, this Size B piston kit is designed specifically for 2014-2015 Honda CRF250R models with a standard 76.8mm bore.

Q: Do I need to replace the cylinder as well? A: If your cylinder bore is within spec, this standard bore piston kit can be installed without re-boring, but always measure cylinder wear 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.