2Bros Parts

PISTON KIT 77.00mm 2005-2013 YAMAHA YZF250 NAMURA FORGED FX-40033-C

$147.87

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Delivery to United States 5–8 business days

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Forged "C" size piston kit with a 77.00 mm standard bore. Features a hard-anodised crown and MOS2 low-friction skirt coating. The crown is CNC-machined for a consistent combustion shape. Made from forged aluminium for strength. Supplied complete for one cylinder including piston, ring set, wrist pin, and circlips. Bore size: 77.00 mm. Size grade: C (piston diameter approximately 76.96 mm). Compression ratio: 13.5:1. Piston type: Forged aluminium. Kit quantity: One cylinder. Approximate weight: 0.344 kg.

Specifications
SKU
56-W9702.C.NF
Brand
Namura Technologies
Availability
In Stock (10)

Fitments (47)

MakeModelYear
GAS-GASEC F 2502010
GAS-GASEC F 2502011
GAS-GASEC F 2502012
GAS-GASEC F 2502013
GAS-GASEC F 2502014
GAS-GASEC F 2502015
YAMAHAWR 250F2005
YAMAHAWR 250F2006
YAMAHAWR 250F2007
YAMAHAWR 250F2008
YAMAHAWR 250F2009
YAMAHAWR 250F2010
YAMAHAWR 250F2011
YAMAHAWR 250F2012
YAMAHAWR 250F2013
YAMAHAWRF 2502005
YAMAHAWRF 2502006
YAMAHAWRF 2502007
YAMAHAWRF 2502008
YAMAHAWRF 2502009
YAMAHAWRF 2502010
YAMAHAWRF 2502011
YAMAHAWRF 2502012
YAMAHAWRF 2502013
YAMAHAYZ 250F2005
YAMAHAYZ 250F2006
YAMAHAYZ 250F2007
YAMAHAYZ 250F2008
YAMAHAYZ 250F2009
YAMAHAYZ 250F2010
YAMAHAYZ 250F2011
YAMAHAYZ 250F2012
YAMAHAYZ 250F2013
YAMAHAYZ 250F2014
YAMAHAYZ 250F2015
YAMAHAYZ 250F2016
YAMAHAYZ 250F2017
YAMAHAYZ 250F2018
YAMAHAYZF 2502005
YAMAHAYZF 2502006
YAMAHAYZF 2502007
YAMAHAYZF 2502008
YAMAHAYZF 2502009
YAMAHAYZF 2502010
YAMAHAYZF 2502011
YAMAHAYZF 2502012
YAMAHAYZF 2502013
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
77.00mm
Variant Id
258492
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Namura Forged Piston Kit 77.00mm - Standard Bore Size C

Upgrade your engine's performance and durability with this high-quality forged piston kit from Namura. Engineered for precision and strength, this kit is designed to meet the demands of high-performance riding.

Key Features:

  • Forged Aluminium Construction: Provides superior strength and resilience under extreme thermal loads, ensuring long-lasting performance.
  • Hard-Anodised Crown: Enhances heat resistance and significantly reduces carbon build-up, maintaining optimal combustion efficiency.
  • MOS2 Low-Friction Coating: The skirt features a molybdenum disulfide coating that minimises friction and aids in the initial running-in process for smoother operation.
  • CNC-Machined Crown: Ensures a consistent and precise combustion shape for optimal power delivery.
  • Complete Kit: Supplied with everything needed for one cylinder: a high-performance piston, a complete ring set, a durable wrist pin, and circlips.

Specifications:

  • Bore Size: 77.00 mm (Standard)
  • Size Grade: C (Piston diameter is approximately 76.96 mm)
  • Compression Ratio: 13.5:1
  • Piston Type: Forged Aluminium
  • Kit Contents: Piston, ring set, wrist pin, and two circlips for one cylinder.
  • Approximate Weight: 0.344 kg
Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).

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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Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.

More answers in our FAQ.

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