Rear Drive Heat? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 6 (permalink) Old 10-19-2010, 01:14 PM Thread Starter
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Rear Drive Heat?

After blowing out my splines I put in a good used unit. After a long ride I noticed the rear drive unit was rather warm. Not hot but you wouldn't want to hold your hand there long. Now I never felt my old one so I have nothing to compare it with. Is this normal?? I have a couple thousand miles on the replacement rear drive now. I use Lucas synthetic in it as I used in my old one. Got to 22k on the old one before the spines gave out. When I first opened it up at 15k, I found absolutely no grease, just rust and dust. I think it was never lubed from day one. There was also no grease on the front splines.

Joe
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post #2 of 6 (permalink) Old 10-19-2010, 02:35 PM
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It will heat up a bit. Also check to see if your brake is sticking a bit. That will build up heat if it is dragging. With the bike on the center stand adjust the brake til it just starts to drag.

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post #3 of 6 (permalink) Old 10-19-2010, 04:46 PM
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It is normal for them to get rather warm to almost hot. It should be hotter than the brake side hub...(which you would check to see if you have a rubbing brake, not the final drive...sorry baldy..)

"With the bike on the center stand adjust the brake til it just starts to drag."

....And then back it off a half turn...the rear brakes should not touch at all until you press the lever.


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post #4 of 6 (permalink) Old 10-19-2010, 07:29 PM
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Quote:
Originally Posted by Knifemaker View Post
It is normal for them to get rather warm to almost hot. It should be hotter than the brake side hub...(which you would check to see if you have a rubbing brake, not the final drive...sorry baldy..)

"With the bike on the center stand adjust the brake til it just starts to drag."

....And then back it off a half turn...the rear brakes should not touch at all until you press the lever.


KM
Oops my bad. I forgot to add that last part. I was in a hurry to go put my CT on my rim. lol

01' VN750
Jardine cross over exaust
Kyriakin grips and foot pegs
Modified seat and backrest
Windshield
Luggage rack
Crash bar with Kyriakin pegs and extensions
Kumho 758 165/80-15 CT rear Dunlop 404 110/90-19 front
Coastered and air/fuel screws at 2.5 turns
Spline lube

93' VN750 getting TLC
Decals and mirrors
Coastered and air/fuel screws at 2.5 turns
ACCTs to MCCTs
Degoated with Harley mufflers
Duro 110-90-19 front 150-90-15 rear
Pick-up coils at .020
Spline lube
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post #5 of 6 (permalink) Old 10-19-2010, 07:57 PM
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Might need to adjust the brake light switch after adjusting the brake. I did.......
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post #6 of 6 (permalink) Old 10-21-2010, 08:01 AM Thread Starter
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Thanks for the info! Checked the brake, all's OK.
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