Skip to content
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!
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 Rebuild Kit - PK1401 Yamaha WR 250 / YZ 250 2005-2013

MPN: PK1401 SKU: 0903-0559
Wiseco

Wiseco Forged Series Rebuild Kit - PK1401 Yamaha WR 250 / YZ 250 2005-2013

MPN: PK1401 SKU: 0903-0559
Availability:
Out of stock
Complete piston kit includes pistons, rings, wrist pins, circlips and top-end gasket kit for one complete engine Wiseco ring types are not interchangeable (i.e., CD is not interchangeable with LC) Wiseco pistons can be fitted only with Wiseco rings Cylinder sleeves must be purchased separately. Specs Compression Ratio 12.5:1 Units Kit Displacement 250 cc Model Forged Series Stroke Length 53.60 mm Piston Diameter 76.95 mm Type Top End Engine Type 4-Stroke Piston Material 2618 Aluminum Alloy Product Name Rebuild Kit Bore Size 77.00 mm Skirt Coating Non-Coated Riding Style Off-Road Part Notes Fits Nikasil bore cylinder. Kit Includes: • Piston Kit #4882M07700 • Ring Set #7700XU • Wrist Pin S742 • Wrist Pin Retainer Set #CW16 • Gasket Kit #W5921
Sold out
Original price $299.95 - Original price $299.95
Original price
$299.95
$299.95 - $299.95
Current price $299.95

Product Details

Features

  • Complete piston kit includes pistons, rings, wrist pins, circlips and top-end gasket kit for one complete engine
  • Wiseco ring types are not interchangeable (i.e., CD is not interchangeable with LC)
  • Wiseco pistons can be fitted only with Wiseco rings
  • Cylinder sleeves must be purchased separately.

Specs

Compression Ratio 12.5:1
Units Kit
Displacement 250 cc
Model Forged Series
Stroke Length 53.60 mm
Piston Diameter 76.95 mm
Type Top End
Engine Type 4-Stroke
Piston Material 2618 Aluminum Alloy
Product Name Rebuild Kit
Bore Size 77.00 mm
Skirt Coating Non-Coated
Riding Style Off-Road

Part Notes

  • Fits Nikasil bore cylinder.
  • Kit Includes:
  • • Piston Kit #4882M07700
  • • Ring Set #7700XU
  • • Wrist Pin S742
  • • Wrist Pin Retainer Set #CW16
  • • Gasket Kit #W5921

Product Description

Features

  • Complete piston kit includes pistons, rings, wrist pins, circlips and top-end gasket kit for one complete engine
  • Wiseco ring types are not interchangeable (i.e., CD is not interchangeable with LC)
  • Wiseco pistons can be fitted only with Wiseco rings
  • Cylinder sleeves must be purchased separately.

Specs

Compression Ratio 12.5:1
Units Kit
Displacement 250 cc
Model Forged Series
Stroke Length 53.60 mm
Piston Diameter 76.95 mm
Type Top End
Engine Type 4-Stroke
Piston Material 2618 Aluminum Alloy
Product Name Rebuild Kit
Bore Size 77.00 mm
Skirt Coating Non-Coated
Riding Style Off-Road

Part Notes

  • Fits Nikasil bore cylinder.
  • Kit Includes:
  • • Piston Kit #4882M07700
  • • Ring Set #7700XU
  • • Wrist Pin S742
  • • Wrist Pin Retainer Set #CW16
  • • Gasket Kit #W5921

Part Numbers
Store SKU MFR. Product # Availability
0903-0559 PK1401 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

  • Complete piston kit includes pistons, rings, wrist pins, circlips and top-end gasket kit for one complete engine
  • Wiseco ring types are not interchangeable (i.e., CD is not interchangeable with LC)
  • Wiseco pistons can be fitted only with Wiseco rings
  • Cylinder sleeves must be purchased separately.

Specs

Compression Ratio 12.5:1
Units Kit
Displacement 250 cc
Model Forged Series
Stroke Length 53.60 mm
Piston Diameter 76.95 mm
Type Top End
Engine Type 4-Stroke
Piston Material 2618 Aluminum Alloy
Product Name Rebuild Kit
Bore Size 77.00 mm
Skirt Coating Non-Coated
Riding Style Off-Road

Part Notes

  • Fits Nikasil bore cylinder.
  • Kit Includes:
  • • Piston Kit #4882M07700
  • • Ring Set #7700XU
  • • Wrist Pin S742
  • • Wrist Pin Retainer Set #CW16
  • • Gasket Kit #W5921