Bottom Left Squealing Noise - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 11 (permalink) Old 08-09-2011, 07:35 PM Thread Starter
aka Smokymtnvulcan
 
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Bottom Left Squealing Noise

Finished about a thirty mile run and pulled into a store for cigarettes. When I cranked up and eased through parking lot traffic, I heard this squealing noise, like a throw out bearing makes when it's going bad. Seemed to be coming from left side vicinity of the kick stand. I've looked and can't see anything amiss. As I was parking in my carport, I removed my helmet and could hear the noise coming from location as before. Any thoughts as to what it is. I've looked through forum and can't find anything similar!

VROC #28359 Murphy NC
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US Army (Retired)
NC Law Enf (Retired)
VN750A3 New RR, New Stator, New Tires, Cleaned Carbs, New Choke Cable, Degoated and Marbled, replaced ACCT with MCCT, Custom LED Signals F&R, Custom Luggage Rack.
Did Tail of the Dragon in 1972 and again 07/2011
I like pipes I can hear!
I wear leather so I won't hurt too bad!
I wear a half helmet so I can see and hear better!
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post #2 of 11 (permalink) Old 08-09-2011, 10:28 PM
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Haven't found any rubber chunks on the oil screen, have you? That's where the balancer wants to come out of the case when the dampers fail.

I'm keepin' all the left over parts. I'm gonna use 'em to build another bike!
_____________________________________________
"Black Beauty"
1989 VN750 acquired December, 2008, 6,711 miles
Currently 23,298 miles

Old Blue
2001 Honda CMX250 Rebel acquired July, 2008

1987 VN750 project bike, acquired August, 2009, 33,000 miles and balancer sticking out of the case, currently awaiting attention and parts
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post #3 of 11 (permalink) Old 08-09-2011, 11:12 PM
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Quote:
Originally Posted by flitecontrol View Post
Haven't found any rubber chunks on the oil screen, have you? That's where the balancer wants to come out of the case when the dampers fail.
That is the same thought I had while reading the OP.

Here is a link to roach`s video where you can see the balancer and balancer gear location at the front of the engine case.
The view of the engine starts at about the 45 second mark of the video, and removal of the balancer gear at about 2 minutes.
http://www.youtube.com/watch?v=aK7uDj2Xo6s

It should help you visualize better what is under the outer case cover in the area where the noise is originating.

Table of contents for all roach`s engine rebuild vids on Youtube:
https://www.vn750.com/forum/showthread.php?t=18289

Gordon

1991 VN 750 -"Cosmic Lady" or "Bad Girl"?
Purchased May 16, 2008
Approx.19,300km (12,000 miles)

H-D windshield
Relocated R/R
MF-AGM battery
Fiamm Freeway Blaster horns
F&S luggage rack and engine guard
Kury Offset Hiway pegs
July 13, 2016, Riding on the DARKSIDE now, Classic Radial 165/80-15


TOP TEN THINGS A NEW RIDER/OWNER SHOULD DO. Click on link.
https://www.vn750.com/forum/11-vn750-general-discussion/9127-top-ten-items-you-would-suggest-new-owner-do-his-new-ride.html

Last edited by OlHossCanada; 08-09-2011 at 11:23 PM.
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post #4 of 11 (permalink) Old 08-10-2011, 07:25 AM Thread Starter
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Thanks boys, I'll check on that. I've never had this happen before and it kind of boogered me!

VROC #28359 Murphy NC
Patriot Guard Rider
US Army (Retired)
NC Law Enf (Retired)
VN750A3 New RR, New Stator, New Tires, Cleaned Carbs, New Choke Cable, Degoated and Marbled, replaced ACCT with MCCT, Custom LED Signals F&R, Custom Luggage Rack.
Did Tail of the Dragon in 1972 and again 07/2011
I like pipes I can hear!
I wear leather so I won't hurt too bad!
I wear a half helmet so I can see and hear better!
Not a poser, not an outlaw biker, JUST ME!
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post #5 of 11 (permalink) Old 08-10-2011, 09:52 AM
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On the early models, particularly if they sat for extended periods, this was a problem. Look in my signature on the project bike. As time goes by, it will be an issue for all of us!

I'm keepin' all the left over parts. I'm gonna use 'em to build another bike!
_____________________________________________
"Black Beauty"
1989 VN750 acquired December, 2008, 6,711 miles
Currently 23,298 miles

Old Blue
2001 Honda CMX250 Rebel acquired July, 2008

1987 VN750 project bike, acquired August, 2009, 33,000 miles and balancer sticking out of the case, currently awaiting attention and parts
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post #6 of 11 (permalink) Old 08-10-2011, 12:34 PM
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mine is making the same noise and i am in the process of tearing her down now. gonna take me awhile im afraid. hrs at work went back up and nobody wants me stumbling around the garage at four in the morning while they r trying to sleep.
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post #7 of 11 (permalink) Old 08-10-2011, 05:55 PM
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Not sure when it occurred, but the early models (including both of mine) have an internal shifter rod which was too flimsy and will eventually fail. Was replaced with a stiffer one in later models. May want to go ahead and replace it while you have the motor out.

I'm keepin' all the left over parts. I'm gonna use 'em to build another bike!
_____________________________________________
"Black Beauty"
1989 VN750 acquired December, 2008, 6,711 miles
Currently 23,298 miles

Old Blue
2001 Honda CMX250 Rebel acquired July, 2008

1987 VN750 project bike, acquired August, 2009, 33,000 miles and balancer sticking out of the case, currently awaiting attention and parts
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post #8 of 11 (permalink) Old 08-10-2011, 06:12 PM
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1988 VN750[SIGPIC][/SIGPIC]

Last edited by FlacoLove; 03-25-2013 at 08:52 AM.
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post #9 of 11 (permalink) Old 08-10-2011, 08:12 PM
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Quote:
Originally Posted by flitecontrol View Post
Not sure when it occurred, but the early models (including both of mine) have an internal shifter rod which was too flimsy and will eventually fail. Was replaced with a stiffer one in later models. May want to go ahead and replace it while you have the motor out.
That "flimsy" 5 mm tie rod was used from `85 to about 1990. I think the 1991 models were the first to come from the factory with the heavy duty 8 mm shifter tie rod. The threaded ends are the same size on both the 5 and 8 mm rods to fit the shifter shafts. I believe all tie rods shipped now are the heavy duty 8 mm size.

Gordon

1991 VN 750 -"Cosmic Lady" or "Bad Girl"?
Purchased May 16, 2008
Approx.19,300km (12,000 miles)

H-D windshield
Relocated R/R
MF-AGM battery
Fiamm Freeway Blaster horns
F&S luggage rack and engine guard
Kury Offset Hiway pegs
July 13, 2016, Riding on the DARKSIDE now, Classic Radial 165/80-15


TOP TEN THINGS A NEW RIDER/OWNER SHOULD DO. Click on link.
https://www.vn750.com/forum/showthread.php?t=9127
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post #10 of 11 (permalink) Old 08-10-2011, 09:23 PM
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Quote:
Originally Posted by FlacoLove View Post
Ahhh, it's nothing to worry about. What you're quite possibly hearing is the shift-shaft washer rubbing up against the balancer specifically because the circlip fell off. (the washer will eventually rub itself down and the noise will disappear.)

To confirm if it's what I just outlined (above), turn your bike on; neutral; and push/pull the shifter in and out of the case. The noise will be prominant in (or out). If this is the case; don't worry about it; it'll go away as the balancer wedges it away to a flat spot. This happens when the bike has fallen, and/or experienced some...trauma. The circlip that holds it in place is at the bottom of the case; no biggie. Ride safe.
another way to check this is to see how much free play you have in your shifter...more than a 1/4 inch and you know the circlip is off or moved... you can fix this with a simple hose clamp on the outside of the case on the shifter shaft.
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