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NAMURA

Top End Repair Kit

MPN: NA-40025-4K SKU: 186-40254
$222.95
Currently Unavailable
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Product Description

Top End Repair Kit

  • SKU: 186-40254
  • Manufacturer part number: NA-40025-4K
  • UPC:

Vehicle compatibility is shown in the fitment information below.

Features:

  • Top End kit includes: piston, rings, wrist pin, clips, top end bearing, and gasket kit
  • MOS2 (Teflon/Molybdenum) Coated Skirts – A rolled on application process provides a bond that is 10 times stronger than other spray on coatings. Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures
  • Machined Smooth Heads – Reflects combustion heat and reduces carbon buildup, protecting the top of the piston. Some tests have shown this feature can increase horsepower and fuel economy by up to 6%
  • Anodized Domes – Increases heat resistance and durability; pistons with anodized domes are 75% stronger than non-anodized pistons
  • Hypereutectic Casting Process – Provides higher silicon content for reduced expansion rates and additional wear resistance; it also has an ability to withstand higher cylinder temperatures

Product Specifications

BrandNAMURA
Manufacturer Part NumberNA-40025-4K
ATD SKU186-40254
Class Piston Kits & Components
Division Engine
Product Type Piston kits & Components
Segment ATV/UTV
Sub Class Top End Kits

Vehicle Fitment

Confirmed catalog applications for this product.

29 applications
Yamaha
YFM700F Grizzly Fi 4WD EPS [IRS]
2016–2018
✓ Confirmed
Yamaha
YFM700F Grizzly Fi 4WD EPS LE [IRS]
2018
✓ Confirmed
Yamaha
YFM700F Grizzly Fi 4WD EPS SE [IRS]
2016–2018
✓ Confirmed
Yamaha
YFM700G Grizzly Fi 4WD [IRS]
2016–2017
✓ Confirmed
Yamaha
YFM700K Kodiak [IRS]
2016–2018
✓ Confirmed
Yamaha
YFM700KP Kodiak EPS [IRS]
2016–2018
✓ Confirmed
Yamaha
YFM700KPS Kodiak EPS SE [IRS]
2016–2018
✓ Confirmed
Yamaha
YXE700 Wolverine
2016–2018
✓ Confirmed
Yamaha
YXE700 Wolverine EPS
2017
✓ Confirmed
Yamaha
YXE700 Wolverine R-Spec
2016–2017
✓ Confirmed
Yamaha
YXE700 Wolverine R-Spec EPS
2016–2018
✓ Confirmed
Yamaha
YXE700 Wolverine R-Spec EPS SE
2017–2018
✓ Confirmed

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