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drive side oil seal???

Posted: Sat Jul 13, 2013 1:32 pm
by MCH
i have fitted a af rayspeed stage 4 175 kit to my gp 150,

jl2 pipe

running it with a 26mm phbh -

x7 needle 2nd clip down

50 pilot

108 main

40 slide


iv got a spark,


today i tried a new spark plug, still it wouldnt start, i pulled the spark plug out and it was oily black, then some white vapour started coming out the plug hole

looked in stickys manual and it just sounds like drive side oil seal,


previous to putting the kit on it never ran right, never kept at idle, had to keep revving it and when i started it up it did have quite a bit of white smoke but then it faded as you rode it, but still it would sometimes cut out or cut out if the revs dropped,

so could it be i have mixed the wrong amount of two stroke in or could it be drive side oil seal?

going to try some fresh fuel with new correct mixture or should i just change the seal anyway?

Re: drive side oil seal???

Posted: Sun Jul 14, 2013 7:39 pm
by vespanic
Have you lost any oil from the gearbox. If the seal has been gone that long there should be a noticeable loss. The plug will be oily black if you've been kicking it over and it hasn't fired up. In my experience I haven't had any white vapour out the spark plug hole when the driveside seal has gone... but then you never know. If you had problems before what did you try then to rectify them? Is it the same carb you're using as before?

Re: drive side oil seal???

Posted: Sun Jul 14, 2013 7:49 pm
by Muppet
leakdown test kit +++++++