Piston Kit 8.6:1 Compression - 83.50mm Bore (+0.50mm) - Yamaha ATV

$177.95

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Please select a vehicle to verify part fitment

Details

SKU: 4676M08350
Manufacturer: Wiseco

Description

Yamaha ATV

Bore - Actual: 83.50mm
Bore - Oversize: 0.50mm
Compression Ratio - Actual: 8.6:1
Displacement: 389cc
Note: Cylinder boring required
Stroke: 71.50mm
Type: Piston Kit
UPC: 193564125729

California Restricted

California laws prohibit (in most cases) the use of any aftermarket product whose installation requires the removal of any emissions control related components as regulated by the California Air Resources Board (www.arb.ca.gov).

If an item is designated as "Competition and Racing Vehicles Only", we will require a race waiver be digitally signed before an item can ship to California. If an item is to be exported from California, an export waiver is available as well. This is a REQUIRED guarantee from you that a restricted item will NOT be used on any public highway in California; only on private race tracks in racing or competition use.

Includes The Following Components

3287XC - 83.50 mm Ring Set
CW19 - 19mm Round Wire Locks - Set of Two
Ring - Set
S376 - PistonPin 19mm x 2.500" NonChromed SW

All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life
Pistons can be installed in any of today's cylinder bore compositions (cast iron, chrome, nikasil and boron composite) with confidence
Wiseco's state-of-the-art computerized manufacturing facility is dedicated to supplying both the high-perfomance racer and recreational enthusiast with the finest forged piston available in today's market place
All kits come with pistons, rings and circlips

This part fits the following

Type	Make	Model	Year	Engine	Required
ATV / SxS	Yamaha	YFM400 Big Bear 4x4	2000	384	1
ATV / SxS	Yamaha	YFM400 Big Bear 4x4	2001	400	1
ATV / SxS	Yamaha	YFM400 Big Bear 4x4	2002	400	1
ATV / SxS	Yamaha	YFM400 Big Bear 4x4	2003	400	1
ATV / SxS	Yamaha	YFM400 Big Bear 4x4	2004	384	1
ATV / SxS	Yamaha	YFM400 Big Bear 4x4	2005	384	1
ATV / SxS	Yamaha	YFM400 Big Bear 4x4	2006	384	1
ATV / SxS	Yamaha	YFM400 Big Bear IRS 4x4	2007	400	1
ATV / SxS	Yamaha	YFM400 Big Bear IRS 4x4	2008	400	1
ATV / SxS	Yamaha	YFM400 Big Bear IRS 4x4	2009	400	1
ATV / SxS	Yamaha	YFM400 Big Bear IRS 4x4	2010	400	1
ATV / SxS	Yamaha	YFM400 Big Bear IRS 4x4	2011	400	1
ATV / SxS	Yamaha	YFM400 Big Bear IRS 4x4	2012	400	1
ATV / SxS	Yamaha	YFM400F Kodiak	1993	401	1
ATV / SxS	Yamaha	YFM400F Kodiak	1994	401	1
ATV / SxS	Yamaha	YFM400F Kodiak	1995	401	1
ATV / SxS	Yamaha	YFM400F Kodiak	1996	401	1
ATV / SxS	Yamaha	YFM400F Kodiak	1998	401	1
ATV / SxS	Yamaha	YFM400F Kodiak	1999	401	1