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All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
Free Shipping on orders over $69.99 to the continental 48 (Alaska & Hawaii orders, call 402-214-0706 to order).
All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
Wossner Premium Series Piston Kit - 8559DA Yamaha WR 250 / YZ 250 2001-2013

Wossner Premium Series Piston Kit - 8559DA Yamaha WR 250 / YZ 250 2001-2013

by WOSSNER
Availability:
Only 2 left!
$184.00 - $184.00
$184.00
$184.00 - $184.00
$184.00

Features

  • Enhanced piston pin oiling slots, radial boss machining, and annular grooves for improved wrist pin lubrication
  • Lightweight piston with a tight piston wall clearance for a quieter running engine
  • Skirt coated for reduced friction and improved break in performance
  • Ring land treatment for improved ring seal and oil control
  • Double bridged forging design where noted
  • Kit includes piston, rings, wrist pin and pin locks

Specs

Model Premium Series
Compression Ratio 12.5:1
Engine Type 4-Stroke
Piston Material Aluminum Alloy
Riding Style Off-Road
Bore - Oversize Standard
Product Name Piston Kit
Bore Size 77.00 mm
Bore - Oversize Standard
Piston Material Forged
Stroke Length 53.60 mm
Style Standard Size A
Units Kit
Piston Size 76.96 mm

Part Notes

  • Double bridge forging.
  • Kit Includes:
  • • Piston #8559DA
  • • Ring Set #RIK77.00D3
  • • Wrist Pin #WP070-SP
  • • Retaining Clips #CW16

2001-2013 Yamaha WR 250 F
2001-2004 Yamaha YZ 250 F

Fitment Disclosure

This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.