PISTON KIT 95-05 YFM350 83.00, FORGED WOSSNER 8605DA 5UH-11631-00-C0, [8953DA PRO SERIES]

Wossner forged piston kit designed for Yamaha YFM350 Warrior and Big Bear models from 1986 to 2005. Manufactured in Germany, this piston offers superior strength and heat transfer efficiency. The elliptical design ensures even load distribution, reducing localized pressure and preventing piston collapse.

Features

• Forged construction for enhanced durability and strength
• Optimized heat transfer for improved performance
• Elliptical design for uniform bearing surface and reduced wear
• Designed for 4-stroke engines

Specifications

• Bore Size: 83.00 mm
• Actual Bore: 82.94 mm
• Stroke: 64.50 mm
• Clearance: 0.06 mm
• Compression Height: 28.30 mm
• Dome Volume: +2.30 cm³
• Compression Ratio: 9.20:1 (OEM)
• Displacement: 349 cm³
• Made in Germany

Cross-Reference OEM Part Numbers

• Wossner Part No.: 8605DA
• Lock P/N: CW19
• Pin P/N: WP026
• Ring Set P/N: 830XSY
• Connecting Rod P/N: P4034
• OEM Piston: 5UH-11631-00-C0
• Other Reference Numbers: 4419M08300, 8953DA (Pro Series)

Vehicle Fitments

• Yamaha YFM350 Warrior (1986-2005)
• Yamaha Big Bear 350 (1986-2005)

Dispatch Times

Local Stock: Dispatches in < 24 hours

Parts showing as available at our Warehouse in Gorey ship the same business day if ordered before 1pm. 

Supplier Stock: Dispatches in 2-4 Days

Parts showing as available at our Supplier Warehouse are ordered from our supplier and delivered to us before we can dispatch. More info is available on this page under "Stock Availability".

OEM Special Order: Dispatches in 3-10 Days

This website does not have access to live stock levels from our OEM Suppliers. In most cases the parts will be available but in the case of backordered parts we will notify you. We receive parts from Yamaha in 3-4 days, All others including Honda, Suzuki, Kawasaki, Polaris please allow 7-10 days for us to receive the parts. 

Delivery Times

Ireland & Northern Ireland:

1-2 Days using GLS/An Post

Germany, France, Netherlands, Belgium:

3-5 Days using GLS/Fedex

Italy, Spain & Other EU Countries:

4-7 Days using GLS/Fedex