PISTON KIT 02-04 CR250 68.50, WOSSNER 8066D210 HONDA MX

This Wossner forged piston kit with a 68.50mm bore (+2.10mm oversize) is designed for Honda CR250R models from 2002 to 2004. Ideal for engines requiring extensive reboring, it combines advanced German manufacturing with precision engineering to ensure durability, efficient heat transfer, and structural reliability. The piston features an elliptical design to evenly distribute thrust loads and prevent collapse under high-performance conditions.

Features

• Forged construction for enhanced strength and durability

• Engineered for optimal combustion heat transfer to cylinder walls

• Elliptical design ensures even load distribution, minimising localised stress

• Manufactured in Germany

Specifications

• Bore: 68.50mm

• Actual Bore: 68.44mm

• Engine Displacement: 249 cm³

• Stroke: 72.00mm

• Clearance: 0.06mm

• Compression Ratio: 2-stroke (Wossner and OEM)

• Compression Height: 38.00mm

• Lock Part Number: CW18

• Pin Part Number: WP033

• Ring Set Part Number: RB6850 x 2

• Rod Part Number: P2020

Vehicle Fitments

• 2002 Honda CR250R

• 2003 Honda CR250R

• 2004 Honda CR250R