Cool and in the oil - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 4 (permalink) Old 07-04-2016, 12:08 PM Thread Starter
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Cool and in the oil

Bought a used 02 vn750, got it started after a fuse change and noticed oil and coolant coolant mix spitting from the top right side clutch case cover. I didn't have white smoke, but buddy said it was probably a head gasket. I've pulled the engine and noticed the coolant impeller is seperated from oil by the same failing gasket.

The only symptom that makes me still think it could be a head gasket is the pressure behind the coolant shooting out of the overflow hose....is it a head gasket or just the seal behind the impeller?

Sorry if that was choppy, I'm sitting here hoping someone can answer before I jack up the timing for no reason..

Thanks
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post #2 of 4 (permalink) Old 07-04-2016, 02:41 PM
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I'd start with the seal between the water impeller.

I'd swap that before going for a full-on head gasket change. Can be done with the engine in the bike. Did mine a while back.
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1986 Kawasaki Vulcan 750
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post #3 of 4 (permalink) Old 07-06-2016, 10:50 AM Thread Starter
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That was the concensus, but I figured we do the head gaskets while the engine was on the bench...

I think I jacked up the timing after doing the front head gasket, it just locks up when rotating the crank...one side is open and the other is closed, not sure what I did wrong. Maybe a part didn't seat right?
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post #4 of 4 (permalink) Old 07-06-2016, 12:01 PM
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Are you also replacing the base gaskets? Those are also prone to leaking coolant.

The cam timing is fairly intricate and the manual must be followed to the letter with no short cuts. Sounds like you're have valve to piston interference and contact.

Did you leave the cams in the head? If those get mixed up, it won't work at all.

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