2Bros Parts

PISTON KIT 2010 KX250F 77mm C, WOSSNER 8778DC KAWASAKI HC, COMP 13.9:1

£182.86

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Wossner forged high-compression piston kit with a 77.02mm bore size (76.98mm actual) and a 13.9:1 compression ratio. Features a two-ring configuration, elliptical design for even thrust distribution, and a high-compression dome for enhanced performance. Includes improved thermal efficiency and a hard Teflon-coated skirt for optimal bore conformity. Manufactured in Germany. Specifications: 250 cm³ displacement, 53.60 mm stroke, 0.04 mm clearance, -1.40 cm³ dome volume, 19.60 mm compression height, CW16 lock part number, WP070 pin part number, 770XAS ring set part number, P4002 rod part number.

Specifications
SKU
56-W953.C.WO.HC
Brand
Wossner
Availability
In Stock (2)

Fitments (1)

MakeModelYear
KAWASAKIKX 250F2010
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
77.00mm
Variant Id
258377
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner High-Compression Forged Piston Kit 77mm for Kawasaki KX250F

Upgrade your Kawasaki KX250F's performance with this Wossner high-compression forged piston kit. Engineered in Germany, this kit is designed for enhanced power and durability, featuring a precise 77.02mm bore size (actual 76.98mm) for an optimal fit.

Key Features:

  • Forged high-compression piston for increased power output.
  • Two-ring configuration for efficient sealing and performance.
  • Elliptical piston design ensures even thrust distribution and reduces stress.
  • Optimized dome shape for superior combustion heat transfer and improved thermal efficiency.
  • Hard Teflon skirt coating promotes optimal bore conformity and reduces friction.
  • Manufactured to high standards in Germany.

Specifications:

  • Bore Size: 77.02mm (actual 76.98mm)
  • Compression Ratio (Wossner): 13.90:1
  • Compression Ratio (OEM): 13.20:1
  • Dome Volume: -1.40 cm³
  • Compression Height: 19.60 mm
  • Includes necessary lock, pin, and ring set components.
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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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