Final Drive leaks oil! - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 6 (permalink) Old 01-06-2012, 06:51 AM Thread Starter
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Final Drive leaks oil!

First of all it's a pleasure participate on this site.
I need an information:
Anyone here could please tell me if this part:
- NOS 1985-1992 Kawasaki VN750 Vulcan O-Ring 671B25145

Fits in my Vulcan 750VN '95????
Thanks a lot!
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post #2 of 6 (permalink) Old 01-06-2012, 07:34 AM
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Welcome to the site.

According to it does.,N:1350

1986 Black Kawasaki Vulcan VN750 "Black KAWK"
VN750 #9300 & VROC #33453

EMGO Handlebar, V&H Exhaust, Drop Shocks, Raised/Painted Fork, MeanStreak Seat, Tank Bib, ME880 Oversize Tires, Engine Guard, Custom Mirrors, Chris Products Turn Signals, Ear Shave, 150/42 Jets, PINGEL Fuel Valve, MCCT, Volt Meter, Shendegen R/R, AGM Battery, Coastered, .020 Coils, Relo Gauges & Headlamp, SilverStar Ultra, LED Flashing Brake Light, Center Stand Delete, WOLO Airhorn.

Last edited by The DEUCE; 01-06-2012 at 07:36 AM.
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post #3 of 6 (permalink) Old 01-06-2012, 08:56 AM
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Welcome to the forum! Depending on where it's leaking, it may be less expensive to buy a used final drive from ebay.

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 #4 of 6 (permalink) Old 01-06-2012, 09:55 AM
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Welcome to the Vulcan madness RenatoBrazil.
flitecontrol is correct.
According to the Clymer service manual Ma Kaw has some "special tools" required to service the final drive.
The cost of the tools may exceed the cost of taking the part into the dealer`s shop for repair.

Here is what is listed on ebay right now:

Note that some of the parts listed are the middle drive or bevel gears on the back of the engine, not the actual final drive on the rear wheel.
The lowest price I see for a final drive unit is $169.95


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


Last edited by OlHossCanada; 01-06-2012 at 10:05 AM.
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post #5 of 6 (permalink) Old 01-11-2012, 12:53 PM Thread Starter
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Thanks a lot for all answers!!!
I have a Kawasaki Vulcan VN750 '95!

Have you a nice New Year full of peace and health for all members!!!
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post #6 of 6 (permalink) Old 02-09-2012, 09:24 PM
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I hope by now you have the leak repaired. I just put another rear diff on my bike last night. I replaced the original diff last spring due to the ungreased pinion splines syndrome. After 4 months of moderate use the rear tire started spotting with fluid. I replaced the seals and it never made a difference. Tore the diff down last Friday and mic'ed the needle bearing area on the Ring gear spindle. Don't know the mileage of this diff before I got it but I put over 5000 miles on it. The spindle had several thousands of wear where the bearing rides and apparently was allowing the spindle to move at higher speeds enough to let the fluid seep through. Got a diff on flea-bay that is SUPPOSED to have only 4700 miles. Got it sent to me for $206.
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