PISTON KIT 14-15 CRF250 76.80, 8912DB WOSSNER HONDA
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This Wossner forged high-compression piston kit features a 76.81mm bore size (76.77mm actual), offering a +0.01mm oversize fitment. Made in Germany, the piston includes a high-compression dome and an elliptical profile for even thrust load distribution, ensuring reliable performance and durability in high-stress conditions. Specifications include a bore size of 76.81mm (actual 76.77mm), 249 cm³ displacement, 53.80 mm stroke, 0.04 mm clearance, 14.50:1 compression ratio (Wossner) and 13.50:1 compression ratio (OEM), +0.10 cm³ dome volume, 28.00 mm compression height, 19.00 g theoretical weight, and lock part number CW16, pin part number WP070, and ring set part number 768XAS.
- SKU
- 56-W958.B.WO.HC
- Brand
- Wossner
- Availability
- In Stock (1)
Fitments (7)
| Make | Model | Year |
|---|---|---|
| HONDA | CRF 250R | 2010 |
| HONDA | CRF 250R | 2011 |
| HONDA | CRF 250R | 2012 |
| HONDA | CRF 250R | 2013 |
| HONDA | CRF 250R | 2014 |
| HONDA | CRF 250R | 2015 |
| HONDA | CRF 250R | 2016 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 76.80mm
- Variant Id
- 258414
FULL DESCRIPTION
Wossner Forged High-Compression Piston Kit
Upgrade your engine's performance with this Wossner forged high-compression piston kit. Precision-engineered in Germany, this kit features a 76.81mm bore size with a +0.01mm oversize for a precise fit. The advanced design includes a high-compression dome and an elliptical profile, ensuring even thrust load distribution for exceptional reliability and durability even under demanding conditions.
Key Features:
- Forged high-compression piston
- Precision +0.01mm oversize bore
- Elliptical profile for even pressure distribution
- Optimised for combustion heat transfer and structural integrity
- Manufactured in Germany
Specifications:
- Bore Size: 76.81mm (actual 76.77mm)
- Displacement: 249 cm³
- Stroke: 53.80 mm
- Clearance: 0.04 mm
- Compression Ratio (Wossner): 14.50:1
- Compression Ratio (OEM): 13.50:1
- Dome Volume: +0.10 cm³
- Compression Height: 28.00 mm
- Theoretical Weight: 19.00 g
- Lock Part Number: CW16
- Pin Part Number: WP070
- Ring Set Part Number: 768XAS
QUESTIONS? JUST ASK
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Check the fitment table on this page against your make, model and year. Not sure? Call or email us 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
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