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MX FREAK
May 27th, 2002, 06:57 PM
My friends 00 kx125 has fouled 2 plugs in 2 days. He revs it out but its still foulin.

I told him to run 40:1 instead of 32:1, well the dealer says he has to run 32:1.


So what else could it be??
mxrider32
May 27th, 2002, 07:04 PM
rich jetting
MX FREAK
May 27th, 2002, 07:08 PM
He has a 60 day warrenty, it should cover that shouldnt it?
84GUY125500
May 27th, 2002, 10:19 PM
A 60 day warranty doesn't cover a 2 year old bike. It ends 60 days after you buy the bike from the dealer. And i'd say change the jetting and you should be fine.
freestylekid33
May 28th, 2002, 10:49 AM
well when i first bought my 2000 cr 80 i kepp and keep fouling sparkplugs finally we called the local honda shop and talked to a mechanic he sayed to ajust the carborater(i dont know how to spell it) and it should be fine. so we adjusted it and it was great it hardly ever fouled a sparkplug after that so maybe uotta try that.that was my problem
MX FREAK
May 28th, 2002, 01:43 PM
They gave him the warrenty well alteast they said so.
mxrider32
May 28th, 2002, 02:00 PM
so did he buy it new from a dealership? I think they would rejet it for you, but im not shure.
MX FREAK
May 28th, 2002, 02:03 PM
Well it was used and sold back to the dealership, i ont know maybe he is lieng cus i didtn think they would either. He also financed it, soo i dont know.
mxrider32
May 28th, 2002, 02:06 PM
Oh I get it now. I dont think the dealership would re-jet it for free, but its not that hard to do yourself.
MX FREAK
May 28th, 2002, 03:32 PM
teh dealer said its not broke in and to run it rich. Soo neevr mind
ont.freerider
May 28th, 2002, 07:12 PM
if he is running a 9 heat range spark plug, try running an 8 heat range spark plug, example : NGK plugs, BR9ES. BR8ES.) the 8 heat range is hotter, dont go any hotter than that, its risky, ive heard you can blow out your cylinder doin that, dont know if its true, but im not gonna risk it.

but REjet for your temperature etc. that is the cause more than likely, good luck.!
freerider67
May 28th, 2002, 07:16 PM
You can run 40:1 and it won't do anything to the bike.
MX FREAK
May 29th, 2002, 01:44 PM
Well i run a ngk, br8evx or sum thin like that. he put an 8 in it.
ont.freerider
May 29th, 2002, 07:06 PM
good enough, and it is still fouling with the 8?? if it is, keep using the 8 and rejet a tad leaner, better too rich than too lean man! good luck
MX FREAK
May 30th, 2002, 02:06 PM
Yeah ill let him deal with it now.
SCAR8
June 1st, 2002, 07:49 PM
my dealer told me to mix my gas 32:1 but i mix like between 50/60:1 and its just fine runs better now if that dont help ajust the carb.
fastkx125
September 12th, 2003, 05:13 PM
Originally posted by MX FREAK
My friends 00 kx125 has fouled 2 plugs in 2 days. He revs it out but its still foulin.

I told him to run 40:1 instead of 32:1, well the dealer says he has to run 32:1.


So what else could it be??


put a b8es ngk plug in it. thats what i done and have had no problems since.