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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 Pro-Lite Piston Kit - 677M06900 Yamaha WR 250 / YZ 250 1992-1998

MPN: 677M06900
Wiseco

Wiseco Pro-Lite Piston Kit - 677M06900 Yamaha WR 250 / YZ 250 1992-1998

MPN: 677M06900
Availability:
Only 2 left!
Forged from high-silicon aluminum alloy for maximum strength and dependability Wiseco offers a complete range of popular piston models and years for both trail and racing applications Durability, longevity and increased horsepower Innovative forging design and piston skirt provide maximum horsepower and torque Features forged pistons, rings, wrist pins, and circlips These high-tech piston designs offer maximum compression ratios, ultra-stiff strutted forgings, and titanium nitride-coated rings, which all add up to more power that is sustained longer Each piston is E-Coated on the crown, ring grooves, 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 Additionally, boost ports are removed for a more predictable powerband and increased pull on the top end Cylinder sleeves must be purchased separately. Service intervals may be increased with Racer's Choice pistons over conventional Wiseco pistons, and are for expert racers and tuners only. Specs Displacement 246.8 cc Model Pro-Lite Product Name Piston Kit Stroke Length 68,00 mm Piston Material Forged Bore - Oversize +1.00 mm Compression Ratio Stock Piston Material 4032 Aluminum Alloy Riding Style Off-Road Piston Diameter 68.96 mm Skirt Coating Non-Coated Stroke Length 68.00 mm Bore - Oversize +1,00 mm Bore Size 69.00 mm Units Kit Engine Type 2-Stroke Part Notes Ceramic composite cylinders will require sleeving or replating.
Original price $210.95 - Original price $210.95
Original price
$210.95
$210.95 - $210.95
Current price $210.95

Product Details

Features

  • Forged from high-silicon aluminum alloy for maximum strength and dependability
  • Wiseco offers a complete range of popular piston models and years for both trail and racing applications
  • Durability, longevity and increased horsepower
  • Innovative forging design and piston skirt provide maximum horsepower and torque
  • Features forged pistons, rings, wrist pins, and circlips
  • These high-tech piston designs offer maximum compression ratios, ultra-stiff strutted forgings, and titanium nitride-coated rings, which all add up to more power that is sustained longer
  • Each piston is E-Coated on the crown, ring grooves, 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
  • Additionally, boost ports are removed for a more predictable powerband and increased pull on the top end
  • Cylinder sleeves must be purchased separately.
  • Service intervals may be increased with Racer's Choice pistons over conventional Wiseco pistons, and are for expert racers and tuners only.

Specs

Displacement 246.8 cc
Model Pro-Lite
Product Name Piston Kit
Stroke Length 68,00 mm
Piston Material Forged
Bore - Oversize +1.00 mm
Compression Ratio Stock
Piston Material 4032 Aluminum Alloy
Riding Style Off-Road
Piston Diameter 68.96 mm
Skirt Coating Non-Coated
Stroke Length 68.00 mm
Bore - Oversize +1,00 mm
Bore Size 69.00 mm
Units Kit
Engine Type 2-Stroke

Part Notes

  • Ceramic composite cylinders will require sleeving or replating.

Product Description

Features

  • Forged from high-silicon aluminum alloy for maximum strength and dependability
  • Wiseco offers a complete range of popular piston models and years for both trail and racing applications
  • Durability, longevity and increased horsepower
  • Innovative forging design and piston skirt provide maximum horsepower and torque
  • Features forged pistons, rings, wrist pins, and circlips
  • These high-tech piston designs offer maximum compression ratios, ultra-stiff strutted forgings, and titanium nitride-coated rings, which all add up to more power that is sustained longer
  • Each piston is E-Coated on the crown, ring grooves, 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
  • Additionally, boost ports are removed for a more predictable powerband and increased pull on the top end
  • Cylinder sleeves must be purchased separately.
  • Service intervals may be increased with Racer's Choice pistons over conventional Wiseco pistons, and are for expert racers and tuners only.

Specs

Displacement 246.8 cc
Model Pro-Lite
Product Name Piston Kit
Stroke Length 68,00 mm
Piston Material Forged
Bore - Oversize +1.00 mm
Compression Ratio Stock
Piston Material 4032 Aluminum Alloy
Riding Style Off-Road
Piston Diameter 68.96 mm
Skirt Coating Non-Coated
Stroke Length 68.00 mm
Bore - Oversize +1,00 mm
Bore Size 69.00 mm
Units Kit
Engine Type 2-Stroke

Part Notes

  • Ceramic composite cylinders will require sleeving or replating.

Part Numbers
Store SKU MFR. Product # Availability
677M06900 677M06900 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 aluminum alloy for maximum strength and dependability
  • Wiseco offers a complete range of popular piston models and years for both trail and racing applications
  • Durability, longevity and increased horsepower
  • Innovative forging design and piston skirt provide maximum horsepower and torque
  • Features forged pistons, rings, wrist pins, and circlips
  • These high-tech piston designs offer maximum compression ratios, ultra-stiff strutted forgings, and titanium nitride-coated rings, which all add up to more power that is sustained longer
  • Each piston is E-Coated on the crown, ring grooves, 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
  • Additionally, boost ports are removed for a more predictable powerband and increased pull on the top end
  • Cylinder sleeves must be purchased separately.
  • Service intervals may be increased with Racer's Choice pistons over conventional Wiseco pistons, and are for expert racers and tuners only.

Specs

Displacement 246.8 cc
Model Pro-Lite
Product Name Piston Kit
Stroke Length 68,00 mm
Piston Material Forged
Bore - Oversize +1.00 mm
Compression Ratio Stock
Piston Material 4032 Aluminum Alloy
Riding Style Off-Road
Piston Diameter 68.96 mm
Skirt Coating Non-Coated
Stroke Length 68.00 mm
Bore - Oversize +1,00 mm
Bore Size 69.00 mm
Units Kit
Engine Type 2-Stroke

Part Notes

  • Ceramic composite cylinders will require sleeving or replating.