PISTON KIT 1997 YZ125 54.00, WOSSNER 8117DA YAMAHA MX 4XM-11631-30-A0
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Wossner forged piston kit for the 1997 Yamaha YZ125 with a 54.00mm standard bore. Manufactured in Germany, this piston kit is built for high mechanical strength and efficient thermal performance in two-stroke engines. Features include an elliptical piston design for uniform surface contact under heat expansion, reducing stress and the risk of piston collapse. It promotes effective combustion heat transfer to the cylinder wall for enhanced engine reliability. Kit includes forged piston, lock CW15, pin WP032, ring set RSB5400, and rod P2019. OEM reference 4XM-11631-30-A0. Bore size 54.00mm, actual diameter 53.94mm, compression height 28.00mm, stroke 54.50mm, displacement 124 cm³, piston clearance 0.06mm.
- SKU
- 56-W693.A.WO
- Brand
- Wossner
- Availability
- In Stock (1)
Fitments (1)
| Make | Model | Year |
|---|---|---|
| YAMAHA | YZ 125 | 1997 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 54.00mm
- Variant Id
- 257469
FULL DESCRIPTION
Wossner Forged Piston Kit - Enhance Your Motorcycle's Performance
This Wossner forged piston kit is engineered for peak performance in high-revving two-stroke engines. Manufactured in Germany, it provides exceptional structural integrity and efficient thermal management. The innovative elliptical piston design ensures uniform surface contact, even under extreme heat, preventing localized stress and the risk of piston failure. This kit is meticulously optimized for effective combustion heat transfer to the cylinder wall, contributing to overall engine reliability and longevity.
Key Features:
- Forged piston construction for superior mechanical strength.
- Elliptical profile promotes consistent expansion and even load distribution.
- Minimizes the risk of structural failure under thermal stress.
- Facilitates efficient heat transfer from the combustion chamber.
- Precision-engineered in Germany for optimal durability and performance.
Specifications:
- Standard Bore Size: 54.00mm
- Actual Piston Diameter: 53.94mm
- Compression Height: 28.00mm
- Stroke: 54.50mm
- Displacement: 124 cm³
- Recommended Piston Clearance: 0.06mm
- Compression Ratio: Designed for 2-stroke applications (compatible with Wossner and OEM specifications).
Component Details:
- Wossner Piston Kit Part Number: 8117DA
- Lock Ring: CW15
- Piston Pin: WP032
- Replacement Ring Set: RSB5400
- Connecting Rod Reference: P2019
- Original Equipment Manufacturer (OEM) Reference: 4XM-11631-30-A0
- Cross Reference Part Number: 693M05400
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