Yamaha, 85.50 Bore, Dish, Set of 1

In stock
MSRP: $231.70
SKU
261963
Piston Set, 2618, Inv Dome/Dish, 3.366 Bore, 0.995 CD, 0.787 Pin, Set of 1.

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WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and/or harm. For more information, go to www.P65Warnings.ca.gov

With a history in racing dating back to 1947, JE Pistons is the industry leader in high-performance powersports forged racing pistons. JE proudly engineers, forges, and machines precision racing pistons for a wide range of powersports machines in-house in the USA.
Year Make Model Table
Year Make Model
2007 - 2008 Yamaha YFM450 Grizzly 4x4 Auto
2011 - 2012 Yamaha YFM450 Grizzly 4x4 Auto
2011 - 2012 Yamaha YFM450 Grizzly 4x4 Auto EPS
2009 - 2010 Yamaha YFM450 Grizzly 4x4 Auto IRS
2018 - 2020 Yamaha YFM450 Kodiak 450
2018 - 2020 Yamaha YFM450 Kodiak 450 EPS
2019 - 2020 Yamaha YFM450 Kodiak 450 EPS SE
2003 - 2006 Yamaha YFM450F Kodiak Auto 4x4
2006 - 2010 Yamaha YFM450FX Wolverine 4x4
2006 - 2009 Yamaha YXR45F Rhino 450
2007 - 2008 Yamaha YXR45F Rhino 450 Special Edition
Additional Product Specifications
Make Yamaha
Bore Diameter 85.50
Piston Head Type Dish
Piston Volume 33.6
Cylinder Head RHINO/GRIZLY
Pin Part Number 787-2250-12-51C
Piston Pin Outside Diameter 0.787
Piston Pin Inside Diameter 0.547
Piston Pin Length 2.250
Piston Pin Wall Thickness 0.120
Piston Pin Material 5115
Retainer Lock Part Number 787-050-MW
Ringset Included Yes
Ringset Number JG1001-3366
Top Compression Ring Thickness 0.04
Second Compression Ring Thickness 0.048
Oil Ring Thickness 0.111
Piston Material 2618
Forging Type Round
Piston Avg Weight 265
Compression Ratio 10.50:1
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