PISTON KIT 91-94 KTM300 72.50, WOSSNER 8012D050 FORGED
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The Wossner 8012DA (+0.50) forged piston kit features a 72.50mm bore (actual 72.43mm) and is engineered for superior strength and efficient heat transfer. Its elliptical design ensures a uniform bearing surface under heat expansion, minimizing localized pressure and distributing thrust loads evenly to prevent piston collapse. This kit is made in Germany and includes a lock part number CW18, pin part number WP039, and two ring sets with part number RSB7250. Specifications include a 297 cm³ display volume, 72.00mm stroke, 0.07mm clearance, and 29.70mm compression height. The compression ratio is 2-stroke for both Wossner and OEM.
- SKU
- 56-W631_050.WO
- Brand
- Wossner
- Availability
- In Stock (1)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 72.50mm
- Variant Id
- 257176
FULL DESCRIPTION
Wossner Forged Piston Kit for KTM 300
This Wossner piston kit features a 72.50mm bore (actual 72.43mm) and is engineered for superior strength and efficient heat transfer to the cylinder walls. The forged, elliptically designed piston provides a uniform bearing surface under heat expansion, minimising localised pressure and distributing thrust loads evenly to prevent piston collapse. Made in Germany, this piston kit is built for durability.
Key Features
- Forged piston construction for superior strength and reliability.
- Engineered for optimal combustion chamber heat transfer.
- Elliptical design ensures uniform bearing surface during heat expansion.
- Reduces localised pressure and prevents piston collapse.
- Made in Germany.
Specifications
- Bore Size: 72.50mm (Actual 72.43mm)
- Display (cm³): 297
- Stroke (mm): 72.00
- Clearance (mm): 0.07
- Compression Height (mm): 29.70
Included Components
- Wossner Piston Kit Part No: 8012DA (+0.50)
- Lock Part No: CW18
- Pin Part No: WP039
- Ring Set Part No: RSB7250 × 2
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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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