Wossner Piston WO-8004-D_ – Husqvarna CR 250 / WR 250

Wossner Piston WO-8004-D100 – Husqvarna CR 250 / WR 250

The Wossner WO-8004-D100 Piston is a forged replacement piston designed for classic Husqvarna CR 250 and WR 250 two-stroke motorcycles. Part of Wossner's Standard Series, it features a single-ring design with intake window for reliable sealing, durability and consistent engine performance. This piston is supplied in a +1.00 mm oversize configuration for cylinders that have been professionally rebored.

Vehicle Applications

• Husqvarna CR 250: 1974–1984
• Husqvarna WR 250: 1974–1984

Specifications

• Part Number: WO-8004-D100
• Bore Size: 70.50 mm
• Piston Diameter: 70.44 mm
• Oversize: +1.00 mm
• Piston Clearance: 0.06 mm
• Ring Configuration: Single Ring
• Piston Ring: RSB7050
• Wrist Pin: WP033
• Wrist Pin Diameter: 18 mm
• Circlips: CW18
• Compression Height: 32.00 mm
• Overall Length: 65.80 mm
• Small-End Bearing: N1021

Features

• Wossner Standard Series forged piston
• Single-ring piston design
• Intake window design
• +1.00 mm oversize
• Precision manufactured for reliable two-stroke performance

Important: Oversize pistons require the cylinder to be accurately measured and professionally machined to suit. Always confirm piston size and engine application before installation.

Disclaimer: Product images are for illustration purposes only and may differ from the actual product supplied. Vehicle applications and specifications are provided as a guide only. It is the purchaser's responsibility to confirm the part number, dimensions and fitment are correct before installation.