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E3 Powersport Spark Plug E3.31 Diamond Fire 1 ATV

Compatible Vehicles
Submodel Year Make Model
YFZ350 2006 Yamaha Banshee 350
YFZ350SE Special Edition 2006 Yamaha Banshee 350
YFZ350SP 50th Anniversary Edition 2006 Yamaha Banshee 350
YFZ350 2005 Yamaha Banshee 350
YFZ350SE Special Edition 2005 Yamaha Banshee 350
YFZ350 2004 Yamaha Banshee 350
YFZ350LE Limited Edition 2004 Yamaha Banshee 350
YFZ350 2003 Yamaha Banshee 350
YFZ350 2002 Yamaha Banshee 350
YFZ350 2001 Yamaha Banshee 350
YFZ350 2000 Yamaha Banshee 350
YFZ350 1999 Yamaha Banshee 350
YFZ350 1998 Yamaha Banshee 350
YFZ350 1997 Yamaha Banshee 350
YFZ350 1996 Yamaha Banshee 350
YFZ350 1995 Yamaha Banshee 350
YFZ350 1994 Yamaha Banshee 350
YFZ350 1993 Yamaha Banshee 350
YFZ350 1992 Yamaha Banshee 350
YFZ350 1991 Yamaha Banshee 350
YFZ350 1990 Yamaha Banshee 350
YFZ350 1989 Yamaha Banshee 350
YFZ350 1988 Yamaha Banshee 350
YFZ350 1987 Yamaha Banshee 350
YFS200 2006 Yamaha Blaster 200
YFS200 2005 Yamaha Blaster 200
YFS200 2004 Yamaha Blaster 200
YFS200 2003 Yamaha Blaster 200
YFS200 2002 Yamaha Blaster 200
YFS200 2001 Yamaha Blaster 200
YFS200 2000 Yamaha Blaster 200
YFS200 1999 Yamaha Blaster 200
YFS200 1998 Yamaha Blaster 200
YFS200 1997 Yamaha Blaster 200
YFS200 1996 Yamaha Blaster 200
YFS200 1995 Yamaha Blaster 200
YFS200 1994 Yamaha Blaster 200
YFS200 1993 Yamaha Blaster 200
YFS200 1992 Yamaha Blaster 200
YFS200 1991 Yamaha Blaster 200
YFS200 1990 Yamaha Blaster 200
YFS200 1989 Yamaha Blaster 200
YFS200 1988 Yamaha Blaster 200
YTZ250 1986 Yamaha Tri Z 250
YTZ250 1985 Yamaha Tri Z 250
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