Play in final drive - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 6 (permalink) Old 08-26-2012, 07:20 AM Thread Starter
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Play in final drive

How much free play should there be in the drive train with the bike in gear?
I have been having some noise from my final drive on occasion, so I checked how much play there was in the wheel.
I put it in 1st gear (without it running) and turned the rear wheel and it moved at least 2 inches forward and backwards.
Is that too much play in the drive train? Or is that about normal. It seemed to be coming from the drive shaft, but when I had it apart, it looked and felt good.
It's possible there is slack in the mid drive.
The splines are lubed, and in great shape. No wear to speak of, and no metal shavings anywhere.
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post #2 of 6 (permalink) Old 08-26-2012, 11:41 AM
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That is about right.

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post #3 of 6 (permalink) Old 08-26-2012, 03:20 PM Thread Starter
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Okay, I was wondering, if I lug her a bit it will jerk and make a hell of a noise in the drive train.
Thanks.
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post #4 of 6 (permalink) Old 08-26-2012, 03:27 PM
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Keep your rpms high, up above 3 and 4k at least. Don't lug the engine. You can get up to 6 and 7k with out any harm to the bike. I don't recommend running in the red any lenght of time.

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post #5 of 6 (permalink) Old 08-26-2012, 10:10 PM
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If you do what you did, 1st gear, engine off, and rocked....and heard no metallic "clunk" yer cool......you can try it in each gear also, and it "sorta" checks the tranny too....concentrate on the wheel bearings, rear brake adjust, etc....



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post #6 of 6 (permalink) Old 08-26-2012, 11:13 PM Thread Starter
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I checked it in gear, and there is no clunk or odd noises.
I even went as far as starting it and putting it in 1st and letting it idle. Nothing out of the ordinary there.
The rear wheel and bearings are all in good shape as are the brakes and related parts.
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