PISTON KIT 97mm C FORGED 2010-2013 YAMAHA YZF450 NAMURA FX-40046-C
4.1 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Spread the cost with 18+, T&Cs apply
A forged "C" size piston kit engineered to match the OEM 12.5:1 compression ratio for a nominal 97.00 mm bore. The piston measures 96.97 mm (+0.02 mm) and the kit is supplied complete with piston, ring set, wrist pin and circlips. Features forged aluminium construction for high strength, hard-anodised crown to improve heat resistance and reduce carbon build-up, and molybdenum disulphide (MOS2) skirt coating to reduce friction and assist running-in. Precision CNC-machined crown for consistent combustion shape. Supplied with piston, rings, wrist pin and circlips. Piston size: 96.97 mm (+0.02 mm), "C" size. Nominal bore: 97.00 mm. Compression ratio: 12.5:1. Piston type: forged. Ring set reference: NX-40046R. Manufacturer reference: FX-40046-C. Approximate kit weight: 0.568 kg. Engine configuration: 4-stroke single-cylinder.
- SKU
- 56-W261.C.NT.F
- Brand
- Namura Technologies
- Availability
- In Stock (10)
Fitments (8)
| Make | Model | Year |
|---|---|---|
| YAMAHA | YZ 450F | 2010 |
| YAMAHA | YZ 450F | 2011 |
| YAMAHA | YZ 450F | 2012 |
| YAMAHA | YZ 450F | 2013 |
| YAMAHA | YZF 450 | 2010 |
| YAMAHA | YZF 450 | 2011 |
| YAMAHA | YZF 450 | 2012 |
| YAMAHA | YZF 450 | 2013 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 97mm
- Variant Id
- 281078
FULL DESCRIPTION
Namura Piston Kit 97mm C Forged
This high-performance piston kit is precision-engineered for optimal engine performance. Featuring a forged aluminum construction, it offers superior strength and durability. The hard-anodized crown enhances heat resistance and minimizes carbon buildup, while the molybdenum disulfide skirt coating reduces friction and aids in the running-in process. The piston crown is CNC-machined for a consistent combustion shape.
Key Features:
- Forged aluminum construction for exceptional strength
- Hard-anodized crown for improved heat resistance and reduced carbon buildup
- Molybdenum disulfide (MOS2) skirt coating for reduced friction and easier running-in
- Precision CNC-machined crown for consistent combustion chamber shape
- Complete kit includes piston, ring set, wrist pin, and circlips
Specifications:
- Piston Size: 96.97 mm (+0.02 mm), designated as "C" size
- Nominal Bore: 97.00 mm
- Compression Ratio: 12.5:1
- Piston Type: Forged
- Approximate Kit Weight: 0.568 kg
- Engine Configuration: 4-stroke single-cylinder
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.


