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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!
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 - 394M08550 Yamaha Dirt Bikes 1977-1978

MPN: 394M08550
Wiseco

Wiseco Forged Series Piston Kit - 394M08550 Yamaha Dirt Bikes 1977-1978

MPN: 394M08550
Availability:
Only 1 left!
Forged from high-silicon alloy for maximum strength and dependability Wiseco offers a complete range of popular piston models and years for both trail and racing applications Kit includes piston, rings, circlips and wrist pin Specs Units Kit Model Forged Series Product Name Piston Kit Skirt Coating Non-Coated Engine Type 2-Stroke Piston Material 4032 Aluminum Alloy Stroke Length 70.00 mm Bore - Oversize +0,50 mm Bore Size 85.50 mm Displacement 397 cc Riding Style Off-Road Bore - Oversize +0.50 mm Piston Diameter 85.42 mm Part Notes Kit Includes: • 1x Piston • 1x Ring Set #3366TD • 1x Wrist Pin #S277 • 1x Circlip Set #CW18
Original price $209.95 - Original price $209.95
Original price
$209.95
$209.95 - $209.95
Current price $209.95

Product Details

Features

  • Forged from high-silicon alloy for maximum strength and dependability
  • Wiseco offers a complete range of popular piston models and years for both trail and racing applications
  • Kit includes piston, rings, circlips and wrist pin

Specs

Units Kit
Model Forged Series
Product Name Piston Kit
Skirt Coating Non-Coated
Engine Type 2-Stroke
Piston Material 4032 Aluminum Alloy
Stroke Length 70.00 mm
Bore - Oversize +0,50 mm
Bore Size 85.50 mm
Displacement 397 cc
Riding Style Off-Road
Bore - Oversize +0.50 mm
Piston Diameter 85.42 mm

Part Notes

  • Kit Includes:
  • • 1x Piston
  • • 1x Ring Set #3366TD
  • • 1x Wrist Pin #S277
  • • 1x Circlip Set #CW18

Product Description

Features

  • Forged from high-silicon alloy for maximum strength and dependability
  • Wiseco offers a complete range of popular piston models and years for both trail and racing applications
  • Kit includes piston, rings, circlips and wrist pin

Specs

Units Kit
Model Forged Series
Product Name Piston Kit
Skirt Coating Non-Coated
Engine Type 2-Stroke
Piston Material 4032 Aluminum Alloy
Stroke Length 70.00 mm
Bore - Oversize +0,50 mm
Bore Size 85.50 mm
Displacement 397 cc
Riding Style Off-Road
Bore - Oversize +0.50 mm
Piston Diameter 85.42 mm

Part Notes

  • Kit Includes:
  • • 1x Piston
  • • 1x Ring Set #3366TD
  • • 1x Wrist Pin #S277
  • • 1x Circlip Set #CW18

Part Numbers
Store SKU MFR. Product # Availability
394M08550 394M08550 In 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 from high-silicon alloy for maximum strength and dependability
  • Wiseco offers a complete range of popular piston models and years for both trail and racing applications
  • Kit includes piston, rings, circlips and wrist pin

Specs

Units Kit
Model Forged Series
Product Name Piston Kit
Skirt Coating Non-Coated
Engine Type 2-Stroke
Piston Material 4032 Aluminum Alloy
Stroke Length 70.00 mm
Bore - Oversize +0,50 mm
Bore Size 85.50 mm
Displacement 397 cc
Riding Style Off-Road
Bore - Oversize +0.50 mm
Piston Diameter 85.42 mm

Part Notes

  • Kit Includes:
  • • 1x Piston
  • • 1x Ring Set #3366TD
  • • 1x Wrist Pin #S277
  • • 1x Circlip Set #CW18