PISTON KIT 92-08 TRX300 74.50, FORGED WOSSNER 8675D050
4.1 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Spread the cost with 18+, T&Cs apply
Wossner 74.50mm forged piston kit. Features optimized heat transfer to cylinder walls and an elliptical design for uniform bearing surface under heat expansion. Reduces localized pressure and evenly distributes thrust loads, preventing piston collapse under high-stress conditions. Bore Size: 74.50mm. Wossner Part Number: 8675D050. Lock Part Number: CW17. Pin Part Number: WP090. Ring Set Part Number: 745XDS. Displacement: 282 cm³. Stroke: 65.50mm. Clearance: 0.06mm. Compression Ratio: OEM (12.00:1). Dome Volume: +6.30 cm³. Compression Height: 23.30mm. Made in Germany.
- SKU
- 56-W4574_050.WO
- Brand
- Wossner
- Availability
- In Stock (2)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 74.5mm
- Variant Id
- 255727
FULL DESCRIPTION
Wossner 74.50mm Forged Piston Kit
Enhance the performance and durability of your ATV with this Wossner 74.50mm forged piston kit. Engineered in Germany for exceptional quality and reliability, this piston kit is designed to optimize combustion chamber heat transfer and ensure uniform load distribution. This reduces localized pressure points, ultimately preventing piston collapse even under the most demanding conditions.
Key Features:
- Forged Construction: Provides superior strength and longevity for high-performance applications.
- Optimized Heat Transfer: Efficiently transfers heat to cylinder walls, contributing to consistent engine temperature.
- Elliptical Design: Guarantees a uniform bearing surface as the piston expands with heat, minimizing wear.
- Even Load Distribution: Reduces localized pressure and evenly distributes thrust loads for improved engine life.
- Piston Collapse Prevention: Specifically engineered to withstand high-stress conditions and prevent failure.
Specifications:
- Bore Size: 74.50mm
- Wossner Part Number: 8675D050
- Lock Part Number: CW17
- Pin Part Number: WP090
- Ring Set Part Number: 745XDS
- Displacement: 282 cm³
- Stroke: 65.50mm
- Clearance: 0.06mm
- Compression Ratio: OEM (12.00:1)
- Dome Volume: +6.30 cm³
- Compression Height: 23.30mm
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Call or email us with your make, model and year and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. 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
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.


