Water coming out of head bolt

Discussion specific to the 1995 - 2006 KDX200 (H Series) and 1995 - 2005 KDX220R (A Series) models sold in the USA
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Jack Johnson
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Water coming out of head bolt

Post by Jack Johnson »

Back together after complete rebuild, I have antifreeze leaking from one of the head bolts. I'm guessing the new head gasket was bad somehow. Anybody else have this problem?
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Molly's 70
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Re: Water coming out of head bolt

Post by Molly's 70 »

Never had the problem. Which bolt is it leaking out of?
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Jack Johnson
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Re: Water coming out of head bolt

Post by Jack Johnson »

Left side right behind the water hose. You can see the water seep out of the threads.
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Re: Water coming out of head bolt

Post by KDXGarage »

Was the rebuild after normal wear or after a meltdown?

Did you remove the studs?
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Jack Johnson
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Re: Water coming out of head bolt

Post by Jack Johnson »

Meltdown I suppose, the bike needed a complete rebuild.

I did remove the studs.
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TwistedRoot
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Re: Water coming out of head bolt

Post by TwistedRoot »

Could it be that your cylinder head is slightly warped?
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Molly's 70
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Re: Water coming out of head bolt

Post by Molly's 70 »

Put your head on a piece of glass & check for flatness with a .002 feeler gauge.
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Re: Water coming out of head bolt

Post by Jack Johnson »

That is on the agenda for today.
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Jack Johnson
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Re: Water coming out of head bolt

Post by Jack Johnson »

Checked head with feeler gauge, doesn't seem warped. Used some 220 grit sandpaper on some glass just to be sure.
Practice, practice, practice.
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