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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!
Wiseco

Wiseco Forged Series Piston Kit - 4858M07700 Yamaha YZ 250 2001-2004

MPN: 4858M07700 SKU: 0910-0806
Wiseco

Wiseco Forged Series Piston Kit - 4858M07700 Yamaha YZ 250 2001-2004

MPN: 4858M07700 SKU: 0910-0806
Availability:
Out of stock
Forged 4-stroke piston is designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength Dedicated forgings allow for optimized strength-to-weight ratio Ideal for multiple purpose riding Kit includes piston, wrist pin, rings and circlips Specs Piston Diameter 76.95 mm Bore - Oversize Standard Compression Ratio 13.5:1 Model Forged Series Product Name Piston Kit Stroke Length 53.60 mm Bore Size 77.00 mm Displacement 249 cc Engine Type 4-Stroke Units Kit Riding Style Off-Road Bore - Oversize Standard Skirt Coating ArmorGlide® Piston Material Forged 2618 Aluminum Part Notes Light weight piston that is gas ported. Kit Includes: • 1x Piston • 1x Ring Set #7700YC • 1x Wrist Pin #S742 • 1x Circlip Set #CW16
Sold out
Original price $264.95 - Original price $264.95
Original price
$264.95
$264.95 - $264.95
Current price $264.95

Product Details

Features

  • Forged 4-stroke piston is designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength
  • Dedicated forgings allow for optimized strength-to-weight ratio
  • Ideal for multiple purpose riding
  • Kit includes piston, wrist pin, rings and circlips

Specs

Piston Diameter 76.95 mm
Bore - Oversize Standard
Compression Ratio 13.5:1
Model Forged Series
Product Name Piston Kit
Stroke Length 53.60 mm
Bore Size 77.00 mm
Displacement 249 cc
Engine Type 4-Stroke
Units Kit
Riding Style Off-Road
Bore - Oversize Standard
Skirt Coating ArmorGlide®
Piston Material Forged 2618 Aluminum

Part Notes

  • Light weight piston that is gas ported.
  • Kit Includes:
  • • 1x Piston
  • • 1x Ring Set #7700YC
  • • 1x Wrist Pin #S742
  • • 1x Circlip Set #CW16

Product Description

Features

  • Forged 4-stroke piston is designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength
  • Dedicated forgings allow for optimized strength-to-weight ratio
  • Ideal for multiple purpose riding
  • Kit includes piston, wrist pin, rings and circlips

Specs

Piston Diameter 76.95 mm
Bore - Oversize Standard
Compression Ratio 13.5:1
Model Forged Series
Product Name Piston Kit
Stroke Length 53.60 mm
Bore Size 77.00 mm
Displacement 249 cc
Engine Type 4-Stroke
Units Kit
Riding Style Off-Road
Bore - Oversize Standard
Skirt Coating ArmorGlide®
Piston Material Forged 2618 Aluminum

Part Notes

  • Light weight piston that is gas ported.
  • Kit Includes:
  • • 1x Piston
  • • 1x Ring Set #7700YC
  • • 1x Wrist Pin #S742
  • • 1x Circlip Set #CW16

Part Numbers
Store SKU MFR. Product # Availability
0910-0806 4858M07700 Out of Stock
Fitment
This product is vehicle specific. Select your vehicle to confirm fitment.

This Product Fits

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.

Features

  • Forged 4-stroke piston is designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength
  • Dedicated forgings allow for optimized strength-to-weight ratio
  • Ideal for multiple purpose riding
  • Kit includes piston, wrist pin, rings and circlips

Specs

Piston Diameter 76.95 mm
Bore - Oversize Standard
Compression Ratio 13.5:1
Model Forged Series
Product Name Piston Kit
Stroke Length 53.60 mm
Bore Size 77.00 mm
Displacement 249 cc
Engine Type 4-Stroke
Units Kit
Riding Style Off-Road
Bore - Oversize Standard
Skirt Coating ArmorGlide®
Piston Material Forged 2618 Aluminum

Part Notes

  • Light weight piston that is gas ported.
  • Kit Includes:
  • • 1x Piston
  • • 1x Ring Set #7700YC
  • • 1x Wrist Pin #S742
  • • 1x Circlip Set #CW16