Does it fit your motorcycle?
Look it up by licence plate or VIN, or choose your model.
Confirmed compatible · Position:
This part doesn't fit your bike. See parts that fit
Fits most motorcycles
Not model-specific. Check dimensions and specifications in the description before ordering.
Chosen by size, not by model
The size is printed on the tyre sidewall, e.g. 120/70 ZR17, and in your registration document.
Checking fitment…
Fitment check unavailable
Wossner Pro Series Piston Kit for 4-Stroke 250cc
Product info
- Item number
- 09106144
- Manufacturer number
- 8966DA
- Position
Elevate your engine's performance with the high-quality Wossner 250cc 4-Stroke Piston Kit. Engineered for demanding conditions, this kit delivers superior durability and optimized power output, ensuring your motorcycle runs at its peak.
Description
Experience unparalleled engine reliability and performance with the Wossner Pro Series Piston Kit, specifically designed for 4-stroke 250cc engines. This premium piston replacement kit is meticulously forged from aerospace-grade aluminum alloy, guaranteeing exceptional strength and a lighter weight without compromising structural integrity in critical areas like the crown and skirt wall cross-section. The precision-engineered 77.96 mm piston diameter, paired with a 78.00 mm bore size, ensures an exact fit and optimal combustion. With an aggressive 14.4:1 compression ratio, this high compression piston is built to maximize power and responsiveness. Each Wossner piston features a permanent Molybdenum Disulphite (Moly) skirt coating, significantly reducing friction and piston rock, which leads to quieter operation, improved performance, and assists in the critical engine break-in period. The comprehensive kit includes the forged aluminum piston, high-quality nitride coated, steel, and cast rings, a durable piston pin, and secure clips, providing everything needed for a complete and reliable engine overhaul.
Features & Highlights
- Enhanced Durability: Forged from aerospace-grade aluminum alloy, ensuring exceptional strength and longevity under extreme conditions.
- Reduced Friction & Wear: Features a permanent Molybdenum Disulphite (Moly) skirt coating to minimize friction, reduce piston rock, and aid in efficient break-in.
- Optimized Performance: Precision machining provides a lightweight design while maintaining strength in key areas, contributing to improved power and responsiveness.
- High Compression Design: Engineered for a 14.4:1 compression ratio, maximizing engine output and efficiency for a thrilling ride.
- Complete Replacement Kit: Includes the piston, high-quality nitride-coated rings, piston pin, and clips for a straightforward and reliable installation.
Technical Specifications
- Product Name: Piston Kit
- Brand: Wossner
- Model: Pro Series
- Engine Type: 4-Stroke
- Displacement: 250 cc
- Bore Size: 78.00 mm
- Piston Diameter: 77.96 mm
- Piston Size: Standard Size A
- Compression Ratio: 14.4:1
- Piston Material: Forged Aluminum Alloy
- Skirt Coating: Molybdenum Disulphite
- Ring Material: Nitride Coated, Steel, Cast
- Units: Kit
- MPN/SKU: 09106144
- Vendor Part Number: 8966DA
- Vendor part number
- 8966DA
- Model
- Pro Series
- Product name
- Piston Kit
- Bore size
- 78,00 mm
- Compression ratio
- 14,4:1
- Displacement
- 250 cc
- Piston material
- Aluminum Alloy, Forged
- Width
- 92 mm
- Height
- 56 mm
- Ring material
- Nitride Coated, Steel, Cast
- Piston size
- Standard Size A
- Length
- 92 mm
- Piston diameter
- 77,96 mm
- Skirt coating
- Molybdenum Disulphite
- Engine type
- 4-Stroke
- Units
- Kit
Free shipping to a GLS parcel shop or parcel box on orders over €200.
We ship your order as quickly as we can. Orders are usually packed within 24 hours on weekdays.
You have a 14-day right of return. Read more
Certified e-mærket web shop
