Wossner forged Pro Series Piston kitRef : WO00248A / 1093693006

WÖSSNER Pro Series Forged Piston — manufacturer reference 8501D250. Forged piston made in Germany by WÖSSNER, designed for quad, motocross, and roadster applications. Machined from aluminum and treated at the skirt to reduce friction, it comes ready to install with ring(s), circlips, and pin.

• Type: forged piston
• Material: aluminum
• Piston diameter: Ø 97.43 mm
• Recommended bore diameter: 97.50 mm (oversize +0.25 mm — letter 250)
• Compression: standard
• Finish: skirt with anti-friction treatment
• Delivered with: ring(s), circlips, and pin

This piston is aimed at riders and mechanics looking for a forged engine part compatible with restorations or replacements on oversize blocks. The mention "250" indicates the oversize of +0.25 mm compared to the original diameter, to be considered during bore inspection and fitting.

Examples of commonly associated models:

• YAMAHA TT 600 RE (DJ01) — 2004
• YAMAHA XT 600 E (DJ02) — 2002
• YAMAHA YFM 600 GRIZZLY 4WD — 2001

Manufacturer reference: 8501D250. Always check the diameter/bore compatibility and manufacturer tolerances before installation.