PISTON KIT 99-18 YZ250 66.40 C, WOSSNER 8216DC YAMAHA MX, 2 RING PISTON

£167.16
1

Wossner 2-ring piston kit with a 66.42 mm bore size and 66.37 mm actual piston size. This piston kit features a forged 2-ring design for enhanced durability and reliability. It is designed for optimal heat transfer and has an elliptical profile to distribute load evenly, reducing the risk of piston collapse. The kit includes the piston (PN# 8216DC), lock (PN# CW18), pin (PN# WP033), ring set (PN# RSB6640 x 2), and rod (PN# P2028). Specifications include a 249 cm³ display, 54.10 mm stroke, 0.06 mm clearance, 2-stroke compression ratio, and 28.00 mm compression height. Manufactured in Germany.

Specifications
SKU
56-W742.C.WO
Brand
Wossner
Availability
In Stock (2)
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
66.40mm
Variant Id
257598
Shipping OptionsShown at checkout
14-Day ReturnsHassle-free
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Product details

FULL DESCRIPTION

Wossner Piston Kit for Yamaha YZ250 (1999-2018)

Upgrade your Yamaha YZ250's performance with this high-quality Wossner piston kit. Engineered for demanding two-stroke applications, this kit provides exceptional durability, efficient heat management, and reliable operation.

Key Features:

  • Forged 2-ring piston design ensures superior strength and longevity.
  • Optimised for effective heat transfer from the combustion chamber to the cylinder wall, maintaining optimal operating temperatures.
  • Elliptical piston profile promotes even load distribution, reducing localised pressure and the risk of piston collapse.
  • Precision engineered and manufactured in Germany for exacting standards.

Specifications:

  • Bore Size: 66.42 mm
  • Actual Piston Size: 66.37 mm
  • Displacement (cm³): 249
  • Stroke (mm): 54.10
  • Clearance (mm): 0.06
  • Compression Height (mm): 28.00

Included Components:

  • Wossner Piston (2-ring)
  • Lock
  • Pin
  • Ring Set
  • Rod