Yamaha/Gas Gas YZ250/WR250F/EC 250F, 77.00 Bore, Dome, Set of 1

In stock
MSRP: $231.70
SKU
274182
Piston Set, 2618, Dome, 3.031 Bore, 0.878 CD, 0.630 Pin, Set of 1.

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
2013 - 2015 Gas Gas EC 250F
2005 - 2009 Yamaha WR250F
2011 - 2013 Yamaha WR250F
2005 - 2013 Yamaha YZ250F
Additional Product Specifications
Make Yamaha
Bore Diameter 77.00
Piston Head Type Dome
Piston Volume -1.86
Pin Part Number 630-1650-12-93C
Piston Pin Inside Diameter 0.390
Piston Pin Length 41.91
Piston Pin Outside Diameter 0.630
Retainer Lock Part Number 630-050-MW
Ringset Included Yes
Ringset Number JC3501-3031
Top Compression Ring Thickness 0.032
Oil Ring Thickness 0.0585
Piston Material 2618
Forging Type FSR
Piston Avg Weight 170
Compression Ratio 14.00:1
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