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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!
Wiseco

Wiseco GP Series Piston Kit - 767M05250 Yamaha YZ 80 / YZ 85 1993-2026

MPN: 767M05250 SKU: 0910-0366
Wiseco

Wiseco GP Series Piston Kit - 767M05250 Yamaha YZ 80 / YZ 85 1993-2026

MPN: 767M05250 SKU: 0910-0366
Availability:
Out of stock
Endurance and high rpm Each piston is electra-coated on the dome, ring groove, and pin bore, for maximum wear resistance and protection from micro-welding, galling and detonation GP Series parts generally have less machining on the outside, which helps seal up the bore for increased compression ArmorGlide® skirt coating reduces friction and noise for more horsepower potential Kit includes piston, ring(s), wrist pin and circlips Engineered, forged, and machined in the USA Specs Model GP Series Piston Diameter 52.45 mm Skirt Coating ArmorGlide® Bore - Oversize +5,50 mm Bore Size 52.50 mm Engine Type 2-Stroke Bore - Oversize +5.50 mm Product Name Piston Kit Stroke Length 47.80 mm Displacement 103.50 cc Piston Material 4032 Aluminum Alloy Riding Style Off-Road Units Kit Part Notes Crankcase clearance is required. Ceramic composite cylinder will require sleeving or replating.
Sold out
Original price $177.95 - Original price $177.95
Original price
$177.95
$177.95 - $177.95
Current price $177.95

Product Details

Features

  • Endurance and high rpm
  • Each piston is electra-coated on the dome, ring groove, and pin bore, for maximum wear resistance and protection from micro-welding, galling and detonation
  • GP Series parts generally have less machining on the outside, which helps seal up the bore for increased compression
  • ArmorGlide® skirt coating reduces friction and noise for more horsepower potential
  • Kit includes piston, ring(s), wrist pin and circlips
  • Engineered, forged, and machined in the USA

Specs

Model GP Series
Piston Diameter 52.45 mm
Skirt Coating ArmorGlide®
Bore - Oversize +5,50 mm
Bore Size 52.50 mm
Engine Type 2-Stroke
Bore - Oversize +5.50 mm
Product Name Piston Kit
Stroke Length 47.80 mm
Displacement 103.50 cc
Piston Material 4032 Aluminum Alloy
Riding Style Off-Road
Units Kit

Part Notes

  • Crankcase clearance is required.
  • Ceramic composite cylinder will require sleeving or replating.

Product Description

Features

  • Endurance and high rpm
  • Each piston is electra-coated on the dome, ring groove, and pin bore, for maximum wear resistance and protection from micro-welding, galling and detonation
  • GP Series parts generally have less machining on the outside, which helps seal up the bore for increased compression
  • ArmorGlide® skirt coating reduces friction and noise for more horsepower potential
  • Kit includes piston, ring(s), wrist pin and circlips
  • Engineered, forged, and machined in the USA

Specs

Model GP Series
Piston Diameter 52.45 mm
Skirt Coating ArmorGlide®
Bore - Oversize +5,50 mm
Bore Size 52.50 mm
Engine Type 2-Stroke
Bore - Oversize +5.50 mm
Product Name Piston Kit
Stroke Length 47.80 mm
Displacement 103.50 cc
Piston Material 4032 Aluminum Alloy
Riding Style Off-Road
Units Kit

Part Notes

  • Crankcase clearance is required.
  • Ceramic composite cylinder will require sleeving or replating.

Part Numbers
Store SKU MFR. Product # Availability
0910-0366 767M05250 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

  • Endurance and high rpm
  • Each piston is electra-coated on the dome, ring groove, and pin bore, for maximum wear resistance and protection from micro-welding, galling and detonation
  • GP Series parts generally have less machining on the outside, which helps seal up the bore for increased compression
  • ArmorGlide® skirt coating reduces friction and noise for more horsepower potential
  • Kit includes piston, ring(s), wrist pin and circlips
  • Engineered, forged, and machined in the USA

Specs

Model GP Series
Piston Diameter 52.45 mm
Skirt Coating ArmorGlide®
Bore - Oversize +5,50 mm
Bore Size 52.50 mm
Engine Type 2-Stroke
Bore - Oversize +5.50 mm
Product Name Piston Kit
Stroke Length 47.80 mm
Displacement 103.50 cc
Piston Material 4032 Aluminum Alloy
Riding Style Off-Road
Units Kit

Part Notes

  • Crankcase clearance is required.
  • Ceramic composite cylinder will require sleeving or replating.