Murphy's Law - Page 2 - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
Engine / Exhaust / Cooling
\ From the radiator, through the case and out
the exhaust. If it has to do with the cooling,
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post #11 of 35 (permalink) Old 04-07-2016, 01:41 PM
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Might also peek into the oil fill hole with a bright light, see if there's shavings on the rotor gear.

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post #12 of 35 (permalink) Old 04-07-2016, 02:40 PM
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Front cylinder left side is where the noise from the balancers comes from

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post #13 of 35 (permalink) Old 04-07-2016, 02:49 PM
..have a vulcan good day!
 
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Quote:
Originally Posted by Spockster View Post
Can you swipe a magnet through that oil and see if there's steel in it?

If it's all aluminum, might be a chance the balancer dampers let go.

Could you tell if the knock was on one side or the other?
Check out the pics in my Avatar albums to see what damage Dampers can do..........replaced left half of engine block along with a few other parts.

'86 VN750 13,700 mi -Stock
-Purchased 2008 w/8800mi
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Dampers went out @ 13+K !
After TOC MCCT's..... so amazingly quiet I discovered a rattling heat shield on my stock exhaust !
...have a vulcan good day!
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post #14 of 35 (permalink) Old 04-07-2016, 03:01 PM Thread Starter
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Quote:
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Check out the pics in my Avatar albums to see what damage Dampers can do..........replaced left half of engine block along with a few other parts.
Those pictures are impressive. Let's hope that I find something a little less disturbing.

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post #15 of 35 (permalink) Old 04-07-2016, 04:23 PM
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Quote:
Originally Posted by WilliamTech View Post
Check out the pics in my Avatar albums to see what damage Dampers can do..........replaced left half of engine block along with a few other parts.
I have a motor from a 92 that someone tried fixing the case with jb weld

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post #16 of 35 (permalink) Old 04-07-2016, 10:12 PM Thread Starter
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No debris under the generator cover. Balancer has no appreciable play. Nothing obvious that I can see through the holes into the bottom end of the motor.

Two things I should have mentioned previously but may not be helpful... Did a quick compression test before pulling the motor last night. About 160psi rear, 150 front - seems pretty solid to me. Also, the spark plugs look a bit weird. The two whiter plugs came from the rear, the ones with fuel deposits were up front. All of them have about 30 miles on them, they were installed after doing the stator swap.
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post #17 of 35 (permalink) Old 04-07-2016, 11:02 PM
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that 1 plug in pic 3 is pretty dark.


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post #18 of 35 (permalink) Old 04-07-2016, 11:22 PM Thread Starter
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Both front plugs are very dark.
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post #19 of 35 (permalink) Old 04-09-2016, 01:11 AM Thread Starter
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Inexplicably forgot to look at the mesh screen until now. Anybody recognize the source of those bits?
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post #20 of 35 (permalink) Old 04-09-2016, 01:39 AM
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Quote:
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Inexplicably forgot to look at the mesh screen until now. Anybody recognize the source of those bits?
YES! They came off of my screen i recently cleaned when i changed my oil. How'd they get in your bike?

Seriously though, they look exactly like what i removed from mine. Best guess after 30 years previous owner(s)? ==> __________
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