PISTON 94-08 KTM620 640 101 B, FORGED WOSSNER KIT 8524DB
Wossner forged piston kit with a 101.01mm bore for KTM 620, 625, and 640 models. Engineered for optimal combustion chamber heat transfer and uniform bearing surface under heat expansion, reducing localized pressure and piston collapse. Manufactured in Germany for durability and precision. Features include a forged piston for superior strength, optimized heat transfer to cylinder walls, and an elliptical design for uniform bearing surface and even thrust load distribution. Specifications: Bore 101.01mm (+0.01mm oversize), standard size piston (PN# 8524DB), lock part number CW22, pin part number WP009, ring set part number 1010XSY, displacement 600 cm³, stroke 76.00mm, clearance 0.06mm, Wossner compression ratio OEM, OEM compression ratio 11.70:1, dome volume +7.60 cm³, and compression height 26.50mm.
- SKU
- 56-W181.B
- Brand
- Wossner
- Availability
- In Stock (1)
FULL DESCRIPTION
Wossner 101.01mm Forged Piston Kit for KTM Engines
Enhance the performance and durability of your KTM motorcycle with this Wossner forged piston kit. Engineered with precision in Germany, this kit features a 101.01mm bore, offering a direct replacement or upgrade for specific KTM models. The forged construction provides superior strength, while advanced design features ensure optimal heat transfer and uniform bearing surface under extreme conditions.
Key Features:
- Forged Piston: Delivers exceptional strength and resilience for demanding use.
- Optimized Heat Transfer: Promotes efficient cooling by improving heat transfer to cylinder walls, reducing the risk of localized hot spots.
- Elliptical Design: Ensures a uniform bearing surface and even distribution of thrust loads, which helps prevent piston collapse under heat expansion.
- Precision Manufacturing: Made in Germany to the highest standards of quality and accuracy.
- OEM Compression Ratio: Designed to maintain the original equipment manufacturer's compression ratio for compatibility and predictable performance.
Specifications:
- Bore Size: 101.01mm (0.01mm oversize)
- Piston Part Number: 8524DB
- Lock Part Number: CW22
- Pin Part Number: WP009
- Ring Set Part Number: 1010XSY
- Engine Displacement: 600 cm³
- Stroke: 76.00mm
- Piston Clearance: 0.06mm
- Dome Volume: +7.60 cm³
- Compression Height: 26.50mm
