PISTON KIT 02-04 YZ125 54.00 A, WOSSNER 8072DA YAMAHA MX 5NY-11631-01-D0
Wossner 54.00mm A piston kit with forged construction for 2-stroke engines. Features 53.94mm actual piston diameter, elliptical design for uniform bearing surface, and efficient heat transfer. Manufactured in Germany. Bore: 54.00mm, Piston Diameter: 53.94mm, Display (cm³): 125, Stroke (mm): 54.50, Clearance (mm): 0.06, Compression Height (mm): 28.00. Cross-reference OEM Part Numbers: 5NY-11631-01-D0, 5NY-11631-01-C0, 5NY-11631-01-B0, 5NY-11631-01-A0, 797M05400, 09104787. Includes Lock: CW15, Pin: WP032, Ring Set: RSB5400, Rod: P2017. Part Number: 56-W797.A.WO (Piston PN# 8072DA). Weight: 180g.
- SKU
- 56-W797.A.WO
- Brand
- Wossner
- Availability
- In Stock (1)
Fitments (8)
| Make | Model | Year |
|---|---|---|
| YAMAHA | YZ 125 | 1997 |
| YAMAHA | YZ 125 | 1998 |
| YAMAHA | YZ 125 | 1999 |
| YAMAHA | YZ 125 | 2000 |
| YAMAHA | YZ 125 | 2001 |
| YAMAHA | YZ 125 | 2002 |
| YAMAHA | YZ 125 | 2003 |
| YAMAHA | YZ 125 | 2004 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 54.0mm
- Variant Id
- 257772
FULL DESCRIPTION
Wossner Piston Kit for Yamaha YZ125 (2002-2004)
Upgrade your Yamaha YZ125's performance with this high-quality Wossner piston kit. Engineered for durability and optimal power delivery, this kit is designed for 2-stroke engines operating under demanding conditions.
Key Features:
- Forged Construction: Provides exceptional strength and structural integrity for enhanced longevity.
- Optimized Heat Transfer: Promotes efficient cooling from the combustion chamber to the cylinder walls, maintaining consistent performance.
- Elliptical Design: Ensures a uniform bearing surface, even under thermal expansion, leading to smoother operation.
- Even Load Distribution: Distributes thrust loads evenly, reducing localized pressure and preventing piston collapse for reliable operation.
- German Engineering: Manufactured in Germany, ensuring precision and quality craftsmanship.
Specifications:
- Bore: 54.00mm
- Piston Diameter: 53.94mm
- Displacement: 125 cm³
- Stroke: 54.50mm
- Clearance: 0.06mm
- Compression Height: 28.00mm
- Wossner Compression Ratio: 2-stroke
- OEM Compression Ratio: 2-stroke
Cross-Reference OEM Part Numbers:
- 5NY-11631-01-D0
- 5NY-11631-01-C0
- 5NY-11631-01-B0
- 5NY-11631-01-A0
- 797M05400
- 09104787
- Ring: 5NY-11611-00-00
- Pin: 5UN-11633-00-00
- Circlip: 93450-16068-00
Included Components:
- Lock: CW15
- Pin: WP032
- Ring Set: RSB5400
- Rod: P2017
- Piston Part Number: 8072DA
Trade pricing available
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