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E3 Powersport Spark Plug E3.31 Diamond Fire 1 New Personal Watercraft

Compatible Vehicles
Submodel Year Make Model
-- 2002 Yamaha WaveRunner GP1200
-- 2001 Yamaha WaveRunner GP1200
-- 2000 Yamaha WaveRunner GP1200
GP1300 2008 Yamaha WaveRunner GP1300R
GP1300 2007 Yamaha WaveRunner GP1300R
GP1300 2006 Yamaha WaveRunner GP1300R
GP1300 2005 Yamaha WaveRunner GP1300R
GP1300 2004 Yamaha WaveRunner GP1300R
GP1300 2003 Yamaha WaveRunner GP1300R
-- 2000 Yamaha WaveRunner GP800
-- 1999 Yamaha WaveRunner GP800
-- 1998 Yamaha WaveRunner GP800
GP800A 2005 Yamaha WaveRunner GP800R
GP800A 2004 Yamaha WaveRunner GP800R
GP800A 2003 Yamaha WaveRunner GP800R
GP800A 2002 Yamaha WaveRunner GP800R
GP800A 2001 Yamaha WaveRunner GP800R
XA1200 LTD 2000 Yamaha WaveRunner XL12
XA700 2001 Yamaha WaveRunner XL800
XA800 2000 Yamaha WaveRunner XL800
XA1200A 2005 Yamaha WaveRunner XLT1200
XA1200A 2004 Yamaha WaveRunner XLT1200
XA1200A 2003 Yamaha WaveRunner XLT1200
XA1200A 2002 Yamaha WaveRunner XLT1200
XA1200A 2001 Yamaha WaveRunner XLT1200
XA800A 2004 Yamaha WaveRunner XLT800
XA800A 2003 Yamaha WaveRunner XLT800
XA800A 2002 Yamaha WaveRunner XLT800
1 New E3 Powersport Spark Plug E3.31 Diamond Fire

E3.31 is a 14mm, 0.750” reach plug with a gasket seat. It is used in a variety of power sports applications, especially in snowmobile and Personal Watercraft. The patented DiamondFIRE ground electrode is secured to the shell with two legs to help facilitate heat transfer, and to withstand the intense vibration of powersport engine applications. The unique DiamondFIRE side wire is proven to increase power, reduce fuel consumption and improve hydrocarbon emissions in long-term use. The E3 ground electrode and a full-size center electrode also provides optimal performance over an extended product life.

Replaces:
 
CHAMPION:  RN2C, RN3C, RN57YC
NGK:  BR7ES, BR8ES, BR9ES, BPR7ES, BPR8ES, BPR9ES

Part Number: E3.31
Resistor: Resistor
Hex Size: 13/16"
Thread Reach: 0.750"
Thread Diameter: 14mm
Seat: Gasket
Tip/Gap: DiamondFIRE Fixed Gap Cannot Be Adjusted

Reviewed by E3man
01/10/2018 - 12:30:55 PM
Best plugs!
I run E3.31 plugs in all of my toys love this plug better gas mileage 
And throttle response couldn't be happier with the company