PISTON KIT 01-09 YFM660 100 HC, FORGED WOSSNER 8577DA 3YF-11631-00-X0
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Wossner forged piston kit with 100mm bore and 99.93mm size for high compression performance. Manufactured in Germany, this piston is engineered to enhance heat transfer, ensuring uniform expansion and even thrust load distribution. The elliptical design prevents localized pressure and piston collapse, making it ideal for high-performance applications. Features include high-strength forged piston for durability, optimized heat transfer for improved combustion efficiency, elliptical design for uniform expansion and reduced localized pressure, and high compression ratio for enhanced engine performance. Specifications include bore 100mm, size 99.93mm, part number 8577DA, OEM compression ratio 19.20:1, lock part number CW22, ring set part number 1000XSY, rod part numbers P4037 (2001) P4038 (2002-2005), displacement 660 cm³, stroke 84.00mm, clearance 0.07mm, dome volume +18.20 cm³, and compression height 27.00mm. Cross-reference OEM part numbers are 3YF-11631-00-X0 and 44737M10000.
- SKU
- 56-W4737.HC.WO
- Brand
- Wossner
- Availability
- In Stock (2)
Fitments (18)
| Make | Model | Year |
|---|---|---|
| YAMAHA | YFM F GRIZZLY 660 | 2002 |
| YAMAHA | YFM F GRIZZLY 660 | 2003 |
| YAMAHA | YFM F GRIZZLY 660 | 2004 |
| YAMAHA | YFM F GRIZZLY 660 | 2005 |
| YAMAHA | YFM F GRIZZLY 660 | 2006 |
| YAMAHA | YFM F GRIZZLY 660 | 2007 |
| YAMAHA | YFM F GRIZZLY 660 | 2008 |
| YAMAHA | YFM R RAPTOR 660 | 2001 |
| YAMAHA | YFM R RAPTOR 660 | 2002 |
| YAMAHA | YFM R RAPTOR 660 | 2003 |
| YAMAHA | YFM R RAPTOR 660 | 2004 |
| YAMAHA | YFM R RAPTOR 660 | 2005 |
| YAMAHA | YFM R RAPTOR 660 | 2006 |
| YAMAHA | YFM R RAPTOR 660 | 2007 |
| YAMAHA | YFM R RAPTOR 660 | 2008 |
| YAMAHA | YXR RHINO 660 | 2005 |
| YAMAHA | YXR RHINO 660 | 2006 |
| YAMAHA | YXR RHINO 660 | 2007 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 100mm
- Variant Id
- 256010
FULL DESCRIPTION
Wossner Forged Piston Kit - High Compression Performance
Enhance your motorcycle's engine performance with this high-compression forged piston kit from Wossner. Engineered in Germany for superior durability and efficiency, this kit is designed to deliver optimal power output.
Key Features:
- High-strength forged construction for exceptional longevity.
- Advanced design promotes superior heat transfer for improved combustion efficiency.
- Elliptical piston shape ensures uniform expansion and reduces localized pressure, preventing piston collapse.
- Achieve higher engine performance with the integrated high compression ratio.
- Manufactured to exacting standards in Germany.
Specifications:
- Bore Size: 100mm
- Exact Piston Size: 99.93mm
- Wossner Part Number: 8577DA
- Compression Ratio: OEM
- OEM Compression Ratio: 19.20:1
- Lock Ring Part Number: CW22
- Ring Set Part Number: 1000XSY
- Engine Displacement: 660 cm³
- Stroke: 84.00mm
- Recommended Piston Clearance: 0.07mm
- Dome Volume: +18.20 cm³
- Compression Height: 27.00mm
Cross-Reference OEM Part Numbers:
- 3YF-11631-00-X0
- 44737M10000
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