PISTON KIT 08-13 TM85 47.92mm, WOSSNER 8285DC TM FORGED
4.1 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Spread the cost with 
18+, T&Cs apply
Wossner 8285DC forged piston kit features a 47.92mm bore (+0.02mm oversize) and is designed for two-stroke engines. Manufactured in Germany, this piston kit offers superior strength, efficient heat dissipation, and even load distribution through its elliptical design, which helps prevent piston collapse during expansion. Specifications include a bore size of 47.92mm (+0.02mm), 85cm³ displacement, 47.00mm stroke, 0.05mm clearance, and 24.00mm compression height. This is a direct OEM replacement.
- SKU
- 56-W4957.C.WO
- Brand
- Wossner
- Availability
- In Stock (1)
Fitments (25)
| Make | Model | Year |
|---|---|---|
| TM | CROSS 85 | 2008 |
| TM | CROSS 85 | 2009 |
| TM | CROSS 85 | 2010 |
| TM | CROSS 85 | 2011 |
| TM | CROSS 85 | 2012 |
| TM | CROSS 85 | 2013 |
| TM | CROSS 85 | 2014 |
| TM | CROSS 85 | 2015 |
| TM | CROSS 85 | 2016 |
| TM | CROSS 85 | 2017 |
| TM | CROSS 85 | 2018 |
| TM | CROSS 85 | 2019 |
| TM | CROSS 85 | 2020 |
| TM | MX 85 | 2008 |
| TM | MX 85 | 2009 |
| TM | MX 85 | 2010 |
| TM | MX 85 | 2011 |
| TM | MX 85 | 2012 |
| TM | MX 85 | 2013 |
| TM | TM 85 | 2008 |
| TM | TM 85 | 2009 |
| TM | TM 85 | 2010 |
| TM | TM 85 | 2011 |
| TM | TM 85 | 2012 |
| TM | TM 85 | 2013 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 47.92mm
- Variant Id
- 256465
FULL DESCRIPTION
Wossner 47.92mm Forged Piston Kit for TM 85 (2008-2013)
This Wossner forged piston kit, part number 8285DC, features a 47.92mm bore and is designed as a direct replacement for TM 85 two-stroke models. Manufactured in Germany, this piston is engineered for superior strength, efficient heat dissipation, and balanced load distribution through its unique elliptical design. This advanced design helps prevent piston collapse during thermal expansion, ensuring reliable performance.
Key Features:
- Forged Construction: Provides exceptional strength and durability for high-performance two-stroke engines.
- Elliptical Design: Promotes balanced expansion and even load distribution, reducing stress and wear.
- Efficient Heat Transfer: Engineered to optimize heat transfer within the combustion chamber.
- German Engineering: Manufactured to high standards in Germany for quality and reliability.
- Direct OEM Replacement: Designed to fit and function like the original equipment for straightforward installation.
- Increased Bore Size: Features a 47.92mm bore, representing a +0.02mm oversize for potential performance enhancement or restoration.
Specifications:
- Bore Size: 47.92mm (+0.02mm)
- Displacement: 85cm³
- Stroke: 47.00mm
- Clearance: 0.05mm
- Compression Ratio: 2-stroke
- Compression Height: 24.00mm
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
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.
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.