Bad seal? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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Rear End Woes? Splines Shot? Discuss it here!

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post #1 of 25 (permalink) Old 05-31-2014, 10:35 PM Thread Starter
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Bad seal?

What seal do I need to replace? Is this coming from the side that I fill with oil or the wheel side?
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post #2 of 25 (permalink) Old 05-31-2014, 10:44 PM
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First of all, that rear wheel looks loose. Might have too much lube on the splines?

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post #3 of 25 (permalink) Old 05-31-2014, 11:27 PM
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Quote:
Originally Posted by Birdhunter02 View Post
First of all, that rear wheel looks loose. Might have too much lube on the splines?
one hell of a spline lube to leak like that but possible I guess. But I'd suspect the inner seal.

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post #4 of 25 (permalink) Old 06-01-2014, 06:53 AM
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There are 2 sets of splines in the rear. One for the drive shaft to rear gear connection (these are ones that need lube ) and a set
at final drive to rear wheel that needs very little lube.

That looks like over lubed splines at the rear wheel. As the grease gets hot it will leak out while riding



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post #5 of 25 (permalink) Old 06-01-2014, 09:43 AM
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When I got my bike the final drive gear oil was way over filled. It would leak out of the vent hole and look just like that. Maybe check the final drive oil level, pretty easy.

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post #6 of 25 (permalink) Old 06-01-2014, 10:30 AM
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That looks like over lubed splines at the rear wheel. As the grease gets hot it will leak out while riding



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post #7 of 25 (permalink) Old 06-01-2014, 11:36 AM Thread Starter
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Yes it only does it after long rides. That would be great. I will check!
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post #8 of 25 (permalink) Old 06-01-2014, 11:56 AM
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when I got mine, some ham handed mechanic had way over lubed the rear wheel splines and it would do exactly that.. that's how I know of it.

also, many mechanics who don't know the Vulcan may assume that lubing the rear splines means to lube those we are mentioning, and not lube the ones that really need them (the next set forward)

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post #9 of 25 (permalink) Old 06-01-2014, 01:09 PM
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I think....The final drive has a vent hole on the inside that will do that if the final drive oil is over flilled.
Those "splines" on the inside of the hub should not be greased....if so, very very lightly.
Clean it all up, drain and replace your final drive oil, see if it happens again.

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post #10 of 25 (permalink) Old 06-03-2014, 03:01 AM
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