PISTON KIT 04-06 RMZ250 77 HC, FORGED WOSSNER 8661DB
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Wossner 8661DB forged high-compression piston kit with a 77.01mm bore for superior strength and heat transfer efficiency, ensuring optimal combustion performance. The elliptical design distributes thrust loads evenly, reducing localized pressure and preventing piston collapse. Manufactured in Germany. Features include optimized heat transfer, uniform bearing surface under heat expansion, and even thrust load distribution. Specifications: Bore Size 77.01mm (76.97mm), Compression Ratio 13.5:1, Part Number 8661DB, Lock Part Number CW16, Pin Part Number WP059, Ring Set Part Number 770XAS-2, Rod Part Number P4002, Displacement 249 cm³, Stroke 53.60mm, Clearance 0.04mm, Wossner Compression Ratio 13.2:1, OEM Compression Ratio 12.6:1, Dome Volume -4.00 cm³, Compression Height 19.60mm.
- SKU
- 56-W306.B.WO
- Brand
- Wossner
- Availability
- In Stock (3)
Fitments (3)
| Make | Model | Year |
|---|---|---|
| SUZUKI | RM-Z 250 | 2004 |
| SUZUKI | RM-Z 250 | 2005 |
| SUZUKI | RM-Z 250 | 2006 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 77mm
- Variant Id
- 255354
FULL DESCRIPTION
Wossner High-Compression Forged Piston Kit
Enhance your motorcycle's performance with the Wossner High-Compression Forged Piston Kit. Engineered for superior strength and efficient heat transfer, this piston kit is designed to optimize combustion and deliver increased power.
Key Features:
- High-compression forged piston for boosted performance
- Optimized heat transfer for improved operational efficiency
- Elliptical piston design ensures a uniform bearing surface even with heat expansion
- Evenly distributes thrust loads to prevent piston collapse
- Precision manufactured in Germany for quality and reliability
Specifications:
- Bore Size: 77.01mm (76.97mm)
- Compression Ratio: 13.5:1
- Part Number: 8661DB
- Lock Part Number: CW16
- Pin Part Number: WP059
- Ring Set Part Number: 770XAS-2
- Rod Part Number: P4002
- Displacement: 249 cm³
- Stroke: 53.60mm
- Clearance: 0.04mm
- Wossner Compression Ratio: 13.2:1
- OEM Compression Ratio: 12.6:1
- Dome Volume: -4.00 cm³
- Compression Height: 19.60mm
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
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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