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Old 07-10-2011, 11:21 AM   #1 (permalink)
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Head gasket leak?

Hey guys, Ive got oil leaking from my valve cover and I noticed when it dripped on the head gasket that little bubbles appeared. Air must be leaking from the gasket. I just rebuilt it, is it possible the head studs just backed off a little bit and need re-torqued?
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Old 07-10-2011, 11:46 AM   #2 (permalink)
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I'd address that oil leak immediately as it can catch fire,and it's possible that you need to re torque the head bolts...
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Old 07-10-2011, 11:49 AM   #3 (permalink)
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Don't know about 4 strokes but on 2 strokes the head bolts must be retorqued after the first few cycles of break-in
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Old 07-11-2011, 12:12 PM   #4 (permalink)
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Ive got four or so bolts that are stripped out, is there something I can do besides drill and retap them? Im kind of afraid to re-torque the head bolts because one was starting to feel like it was ready to strip.
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Old 07-11-2011, 08:26 PM   #5 (permalink)
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Have you ridden the quad hard since the rebuild? I had to ride mine for a couple good hard rides then go in and re-torque. And still even after that there is some but a lot less bubbling around the head gasket. I had a professional look at it and he said ride it. Its not leaking its just burning the oil residue left from when I pulled the head. I'm still worried tho. Seems like ever time I ride it the spot gets smaller. So I'm hopeing it just stops soon.
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Old 07-11-2011, 09:51 PM   #6 (permalink)
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I havent really had a chance to ride it hard for an extended period of time, its probably only got 1-2 hours of good riding since the rebuild. Guess I'll ride it hard a few times then re torque em and hopefully thatll take care of it.
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Old 07-11-2011, 10:11 PM   #7 (permalink)
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Yeah I would ride it alittle more and re-torque. Also what brand headgasket did u use? I used the cometic multi layer one. The way it was explained to me is the piece of the head gasket right outside the cylander and around the oil port is the really tight compression seal. The reast of the gasket is just crushed between the topend and jug, but is not air tight. And when you torque them down they trap air in the layers of the gasket and the more you ride it the more that air seeps out. As long as you heat cycle the quad alittle bit and then ride a tank of gas through it and re-torque you will be fine. And should notice that it gets less and less as time goes on. That's what I was told but I'm still sceptical.
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Old 11-06-2011, 07:39 PM   #8 (permalink)
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I replaced gasket on head cover due to oil leak.when I tried to torque the bolts I found one will snug but will not torque down. I don't want to drill it out and put a coil in. Is there any other way to fix this?
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Old 11-11-2011, 09:57 PM   #9 (permalink)
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Quote:
Originally Posted by buffalo72 View Post
I replaced gasket on head cover due to oil leak.when I tried to torque the bolts I found one will snug but will not torque down. I don't want to drill it out and put a coil in. Is there any other way to fix this?


-a short 90* special drill may work to heli~coil...i use a milwaukee just for this 'stuff'

-tear off the head if the frames backbone restricts drill use...leaking vehicles for me iznt an option IMO


-JB weld has never worked for me, but a good biker buddy used it successfully on a chevy s.b. v8 starter bolt[1 of the 2 mounting bolts]...prolly 5 yr.s now, its held

-thats a good 25lb. starter, id bet...amazes me anyway


-them dam 6mm threads have ALWAYS stripped 'be prepared'
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