PISTON KIT 98-01 YZ125 55.00, WOSSNER 8091D100 YAMAHA MX
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Wossner 55.00mm Piston Kit. This forged piston kit has a 55.00mm bore (+1.00mm oversize) and is manufactured in Germany. Features include forged piston construction for strength and durability, efficient heat transfer, and an elliptical design for even pressure distribution and minimal distortion. Specifications: Bore size 55.00 mm, actual piston size 54.95 mm, display 125 cm³, stroke 54.50 mm, clearance 0.05 mm, compression ratio 2-stroke, compression height 28.00 mm. Included components: Piston Wossner PN# 8091D100, Lock PN# CW15, Pin PN# WP032, Ring Set PN# RSB5500, Rod PN# P2019.
- SKU
- 56-W726_100.WO
- Brand
- Wossner
- Availability
- In Stock (1)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 55.0mm
- Variant Id
- 257560
FULL DESCRIPTION
Wossner Forged Piston Kit - 55.00mm Bore
Upgrade your motorcycle's performance with this high-quality Wossner forged piston kit. Engineered in Germany, this piston is designed for optimal strength, durability, and heat management in demanding two-stroke engine environments.
Key Features:
- Forged Construction: Provides superior strength and resilience compared to cast pistons.
- Optimized Heat Transfer: Efficiently dissipates heat from the combustion chamber to the cylinder wall, preventing pre-ignition and detonation.
- Elliptical Design: Ensures even pressure distribution across the piston surface, minimizing distortion under high operating temperatures and loads.
- Precision Manufactured: Crafted in Germany to exacting standards for reliable performance and consistent quality.
Specifications:
- Bore Size: 55.00 mm
- Actual Piston Size: 54.95 mm
- Cubic Capacity: 125 cm³
- Stroke: 54.50 mm
- Piston Clearance: 0.05 mm
- Compression Height: 28.00 mm
- Compression Ratio: 2-stroke (Wossner and OEM compatible)
Included Components:
- Wossner Piston (PN# 8091D100)
- Lock Rings (PN# CW15)
- Piston Pin (PN# WP032)
- Ring Set (PN# RSB5500)
- Connecting Rod (PN# P2019)
QUESTIONS? JUST ASK
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Call or email us with your make, model and year and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
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Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
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