sounds like a chain rattling/vibrates foot pegs - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 16 (permalink) Old 06-04-2010, 09:43 AM Thread Starter
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sounds like a chain rattling/vibrates foot pegs

The '94 bike is riding fine, but during driving sounds like a chain is rattling or something underneath, like something is loose and about to fall off but everything looks tight. It vibrates the foot pegs. Does not happen while revving the engine in neutral.

Have had the carb rebuilt a few years ago, new spark plugs last month, fluids all look level, new battery last year (MF)

Can't get a mechanic out to look in Austin!! Frustrated
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post #2 of 16 (permalink) Old 06-04-2010, 10:05 AM
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I had this problem, but with a slight lurching forward/ back while riding. It turned out to be worn out splines on the rear end of the driveshaft. Have you lubed your splines?
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post #3 of 16 (permalink) Old 06-04-2010, 12:03 PM Thread Starter
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I have not lubed the splines, had the rear wheel repacked with oil but I don't think that is the same thing. If the balance dampers failed or the splines are worn , is that hard to fix? I'm not to familiar with working on the bike so I'd have to pay someone. Time/parts? Thanks!!
trying to hold onto my bike as long as I can!
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post #4 of 16 (permalink) Old 06-04-2010, 12:11 PM
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Quote:
Originally Posted by melissaholt1 View Post
I have not lubed the splines, had the rear wheel repacked with oil but I don't think that is the same thing. If the balance dampers failed or the splines are worn , is that hard to fix? I'm not to familiar with working on the bike so I'd have to pay someone. Time/parts? Thanks!!
trying to hold onto my bike as long as I can!


The splines require removal of the rear wheel and final drive. Since it makes no noise in neutral it's not the balance dampers.


85 VN700 "Old Yella"

REBUILT ENGINE
CUSTOM PAINT
VANCE & HINES CRUZERS
EAR SHAVED AND RE-JETTED W/K&N'S
DUNLOP ELITE K591 FRONT & REAR
VOLTMETER
SYNTHETIC BRAKE FLUID
SYNTHETIC OIL & GEAR LUBE
PLEXISTAR 2 WINDSHIELD
SPLINES LUBED
ACCT'S GREASED W/TOC SPRINGS
COASTERD
LEATHER SADDLE BAGS
LEATHER TOOL AND ROLL BAG
PICKUP COILS GAPPED AT .018"
NGK CAP, WIRES, IRIDUMS
BARNETT FRICTION PLATES & SPRINGS
CUSTOM GRIPS, MIRRORS, LEVERS
ORIGINAL STATOR & R/R 14.5v
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post #5 of 16 (permalink) Old 06-04-2010, 12:53 PM Thread Starter
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so I guess I'd have to order new splines or look for them used but in good condition? I like to know a lot before I pay someone to come "look" thanks so much you guys are lifesavers on this site!
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post #6 of 16 (permalink) Old 06-04-2010, 01:30 PM
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Could the sound be coming from some loose tools you're carrying? I carry some tools tightly wrapped in a fork bag up front. One day they came loose and I thought I had a big problem till I just took everything out of the bike bags and went for a test ride.
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post #7 of 16 (permalink) Old 06-04-2010, 01:53 PM
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Quote:
Originally Posted by melissaholt1 View Post
so I guess I'd have to order new splines or look for them used but in good condition? I like to know a lot before I pay someone to come "look" thanks so much you guys are lifesavers on this site!
Do a search on this forum for "Fergy spline lube." It will link to a very nice write-up complete with lots of photos to give you a better idea of what's involved.
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post #8 of 16 (permalink) Old 06-04-2010, 02:38 PM
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If you need a replacement driveshaft, I've got one. But that would also mean you need a new final drive/"pumpkin", which I don't have. The driveshaft lube really isn't difficult with fergy's writeup/pictorial. Wear rubber gloves to keep your hands clean.

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 #9 of 16 (permalink) Old 06-04-2010, 03:13 PM Thread Starter
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Thanks for the advice- Fergy lives right near me oddly enough!! wonder how I could talk him into a project
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post #10 of 16 (permalink) Old 06-04-2010, 05:54 PM
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First, mention free beer.

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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