2Bros Parts

PISTON KIT 2010 KX250F 77mm C, WOSSNER 8777DC KAWASAKI MX

£182.86Only 1 left

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Wossner forged piston kit with a 77.02mm bore size (76.98mm actual), providing a +0.02mm oversize fitment. Engineered in Germany, the piston incorporates a two-ring design and an elliptical profile for uniform pressure distribution under heat expansion. It maintains OEM compression specifications while ensuring efficient heat dissipation and durability. Features a forged piston with a two-ring configuration for strength and reliability. The elliptical design ensures even thrust load distribution under thermal stress. Designed for effective heat transfer from the combustion chamber to the cylinder walls. Manufactured in Germany. Specifications: Bore Size 77.02mm (actual 76.98mm), Displacement 250 cm³, Stroke 53.60 mm, Clearance 0.04 mm, Compression Ratio (Wossner) OEM, Compression Ratio (OEM) 13.20:1, Dome Volume -2.50 cm³, Compression Height 19.60 mm, Lock Part Number CW16, Pin Part Number WP070, Ring Set Part Number 770XAS-2. Cross-Reference OEM Part Numbers: 13001-0115, Wiseco 40009M, Vertex 23566, ProX 01.4340.

Specifications
SKU
56-W953.C.WO
Brand
Wossner
Availability
In Stock (1)

Fitments (1)

MakeModelYear
KAWASAKIKX 250F2010
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
77.00mm
Variant Id
258376
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Forged Piston Kit 77mm C

Upgrade your motorcycle's performance with this high-quality Wossner forged piston kit. Engineered in Germany, this piston is designed to deliver exceptional strength, durability, and efficiency for your engine.

Key Features:

  • Forged construction for superior strength and longevity.
  • Two-ring configuration enhances reliability and performance.
  • Elliptical piston design ensures uniform pressure distribution, especially under thermal stress.
  • Optimized for effective heat transfer from the combustion chamber to the cylinder walls, promoting efficient cooling.
  • Maintains OEM compression specifications for reliable engine operation.

Specifications:

  • Bore Size: 77.02mm (actual 76.98mm)
  • Displacement: 250 cm³
  • Stroke: 53.60 mm
  • Clearance: 0.04 mm
  • Dome Volume: -2.50 cm³
  • Compression Height: 19.60 mm
  • Lock Part Number: CW16
  • Pin Part Number: WP070
  • Ring Set Part Number: 770XAS-2
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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.

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

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