KX Riders

Maintenance & Technical => KX500 Original => Topic started by: dans89kx500 on January 16, 2008, 12:22:08 PM

Title: KX500 Spark plug Question??
Post by: dans89kx500 on January 16, 2008, 12:22:08 PM
Hey, do you'all run a BR9EG NJK plug? I've been having some trouble starting my bike lately. It seems like either I'm not getting enough spark or fuel (I just had the carb cleaned).

Thanks for info,

Daniel in Vacaville
Title: Re: KX500 Spark plug Question??
Post by: dans89kx500 on January 16, 2008, 12:28:23 PM
Or maybe CDI box?
Title: Re: KX500 Spark plug Question??
Post by: TerMaaten KX500 on January 16, 2008, 01:52:38 PM
when the question is spark plug & KX500 the best answer is  BR8EIX   NGK

feel the power
Title: Re: KX500 Spark plug Question??
Post by: stewart on January 16, 2008, 02:10:51 PM
ngk is the best plug for the kx ......i did alot of plug testing.. a 8 heat range should only be consdered for a completly stock and used k5.. a 9 heat range for the thingasket or up to about .020 cut from head.. i run a 10 heat range with 15.5 compresion ..at optimal jetting...020 to .025 gap works well  .. and i have not been using the fine wire plug tips
Title: Re: KX500 Spark plug Question??
Post by: kaw rider on January 16, 2008, 02:37:15 PM
buy a spark tester. if it can't jump a 1/4" gap then check your flywheel. i found a problem when i was on the dyno with one of my flywheels.
Title: Re: KX500 Spark plug Question??
Post by: arleybeer40 on January 16, 2008, 07:30:03 PM
I run a br7es and 32:1 premix and have never had problems with unless i run leaded race gas at the dunes. When i stop when the engines warm it wont start, like its flooded. I turn the gas off and hold the throttle open fires right up. Gotta remeber to turn the gas back on though. Hope this helps
Title: Re: KX500 Spark plug Question??
Post by: FuriouSly on January 17, 2008, 06:33:47 PM
ngk is the best plug for the kx ......i did alot of plug testing.. a 8 heat range should only be consdered for a completly stock and used k5.. a 9 heat range for the thingasket or up to about .020 cut from head.. i run a 10 heat range with 15.5 compresion ..at optimal jetting...020 to .025 gap works well  .. and i have not been using the fine wire plug tips

Ditto....  a 7 plug is rarely used fella's.... 

Sly