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trik400ex
07-26-2005, 04:55 PM
the other day when i went to change my spark plug i started to take it out but it just wouldn't come out there was tension when i was turning it and i turned it several times and it never broke loose. So i was just wondering if anybody has had this problem before and what they did to get the plug out.
prepracing
07-26-2005, 07:44 PM
are u sure the socket was all the way down on the plug ? had that happen to me before trying to use a regular socket and it was slipping because it would not fit down all the way on the plug
trik400ex
07-26-2005, 07:48 PM
im pretty sure because there was tension every time i turned the socket and it just never broke loose
Punk'd
07-26-2005, 11:02 PM
Originally posted by trik400ex
im pretty sure because there was tension every time i turned the socket and it just never broke loose

Oh man.. you mite have stripped it:(
450robot
07-26-2005, 11:20 PM
what he said... this might be bad, might have to heli-coil it...

next time, before you put one in, put some anti-sieze on the threads (you can get it at an auto store)
jak1389
07-27-2005, 08:39 AM
sounds like it may be stripped. i would never heli-coil a head. you can just buy a used one pretty cheap off the site or ebay.
trik400ex
07-27-2005, 12:18 PM
why do u think i shouldn't put in a heli-coil
jak1389
07-27-2005, 12:34 PM
just for amount of pressure it takes. you can find another very cheap. but hey its your quad.
bwamos
07-27-2005, 12:51 PM
heli-coil will work fine for a spark plug. Haven't had to use one in an atv.. but I've use many on automobile spark plugs w/o issue. Head is aluminum.. helicoil is steel.. so you're head is gonna strip before the helicoil does. You rethread the head.. so it's just as strong as before.
400exc
07-28-2005, 10:15 AM
yea the 400ex spark plugs suck! i hate where they are at! I almost stripped mine, but barely got it out, so i used a impact to get it out! worked fine for me then!:devil:
trik400ex
07-28-2005, 02:48 PM
thanks for all of the input and help i really appreciate it
AtvMxRider
07-28-2005, 04:00 PM
Originally posted by jak1389
sounds like it may be stripped. i would never heli-coil a head. you can just buy a used one pretty cheap off the site or ebay.


A heli-coil will work fine for a head.
nosliw
07-31-2005, 09:38 PM
Originally posted by 400exc
yea the 400ex spark plugs suck! i hate where they are at!

try working on a kfx, you'll be happy where it is on the ex.


:rolleyes:
07-31-2005, 10:48 PM
Originally posted by nosliw
try working on a kfx, you'll be happy where it is on the ex.


:rolleyes:
where is the plug at on the kawasuki?


BTW it helps when your taking the plug out on the 400 if you, stand it up on the grab bar its easier to do it
nosliw
07-31-2005, 11:17 PM
very top of the engine. have to have basically all the front plastics off and the gas tank to reach it. i can't wait to do 10-15 plug chop runs when i rejet for a new exhaust :mad:
07-31-2005, 11:21 PM
Originally posted by nosliw
very top of the engine. have to have basically all the front plastics off and the gas tank to reach it. i can't wait to do 10-15 plug chop runs when i rejet for a new exhaust :mad:

ouch

what were they thinking putting a plug there?
plkmonster2
08-06-2005, 01:21 AM
It creates a better combustion chamber. That is why they can lower grade gas on a higher compression engine. It just helps everything ignite better.
plkmonster2
08-07-2005, 11:54 PM
I took out my sparkplug tonight, and it had tension until it was 3-4 threads from being out. It was always like this. I Put antiseize on it to make sure it wouldn't stick. I'm going to get a new plug soon, Because I think the plug is why it is a little tight in the head.