knocking noise fron under stator cover - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 8 (permalink) Old 05-17-2007, 06:35 PM Thread Starter
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knocking noise fron under stator cover

I have a 99vn750 with 30000 miles heve made gypsy style cam chain tensioners while listening to the engine after could still hear hear knocking noise after listening with stethoscope found knocking to be coming from stator area any ideas anyone?


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post #2 of 8 (permalink) Old 05-18-2007, 02:44 AM
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Hmm, does it sound like it's more towards the front of the stator cover, or maybe the very front, lower left of the engine case?


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post #3 of 8 (permalink) Old 05-18-2007, 08:58 AM
 
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Hmm, does it sound like it's more towards the front of the stator cover, or maybe the very front, lower left of the engine case?
I bet you've changed an oil pump chain
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post #4 of 8 (permalink) Old 05-18-2007, 12:14 PM
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I think he's probably referring to the balancer possibly starting to go bad, maybe.

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post #5 of 8 (permalink) Old 05-18-2007, 01:29 PM
 
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I thought mine was the balancer, pump chain was slapping on the crank case.
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post #6 of 8 (permalink) Old 05-18-2007, 05:01 PM
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Quote:
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I think he's probably referring to the balancer possibly starting to go bad, maybe.
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I thought mine was the balancer, pump chain was slapping on the crank case.
Yep, I was thinking the balancer.

I haven't had to deal with either of them, but both would require an engine teardown, wouldn't they?


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post #7 of 8 (permalink) Old 05-18-2007, 09:30 PM
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Orleans is making a terrible racket on the front cyl as well, even after I reloaded the ACCT. I was thinking maybe it's just a timing issue, but now I'm thinking it might be something else, something worse. Any trouble-shooting suggestions, other than borrowing a timing gun to rule that out?

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post #8 of 8 (permalink) Old 05-18-2007, 10:09 PM
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The oil pump chain will require the crankcase halves to be split. That's the on ly way into the oil pump period. If it's not leaving metal shavings or any other visible signs of damage, I'd leave it alone until it does unless you have the time and money to do the repair.
If you do it yourself, gaskets and O ring replacements will run you about $175 or so. If you pay a shop to do it, I'd guess somewhere around $1500-2000 or so.
If it's the balancer, only the left engine cover will need to be removed along with the balancer to replace the rubber grommets and repair any damage it may have done to the case. The balancer can cause a fair amount of damage to the case so the sooner repaired, the better.

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