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Old 07-25-2011, 08:27 AM   #1
The Toad OP
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Drive sprocket loose???

So im putting a new drive chain on the old DR200 today. In my many years of owning and maintaining bikes I have somehow managed to avoid ever doing a chain before... so here goes the questions..

The front drive sprocket has some side to side "play" and was wondering if this is normal ??

The bolt is tight and my guess is since the bike only had about 2K on it that the sprocket has never been removed. Sprokets are good. Replacing the chain due to dry rot on the O Rings.

before I go taking off the sproket and trying to solve a problem that may not exsist...

is this side to side "play" normal ???

thanks in advance
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Old 07-25-2011, 01:26 PM   #2
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Hi, sounds normal to me :)
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Old 07-25-2011, 03:28 PM   #3
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Some end play is OK. How much are we talking about?
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Old 07-25-2011, 04:06 PM   #4
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WTF I have literally the same problem with my VFR 750!

Tighten the bolt and the drive sprocket can slide laterally along the splines about a millimeter. Can't get a straight answer if this is normal or not.

Note that it is NOT the shaft moving in and out of the case -- it is the sprocket sliding ON the shaft, even with the bolt tight.
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Old 07-26-2011, 06:06 AM   #5
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A little "wiggle" is fine...for both of you ;)
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Old 07-26-2011, 07:07 AM   #6
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Hold on a minute. Is it the countershaft that has endplay or the sprocket moving on the countershaft?
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Old 07-26-2011, 09:37 AM   #7
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Thanks for the replies..

for me its 100% the sproket wiggling a bit.. not much.. just enough to notice that it seemed loose.. but the bolt was tight.

New master-link chain on and rode out 50 or so miles.. all is well..

EXCEPT....

4 bikes with chains... the DR is the ONLY one that "clicks" (chain noise) when I roll it around... it did this before and after the new chain.. not sure what the "clicking" is... its almost like the chain/sprockets mayh not be lined up correctyl.. but the adjusters are matched and tire spins evenly...any ideas???
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Old 07-26-2011, 10:05 AM   #8
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I bet one of the sprockets is worn like this. My Tuono does this to C/S sprockets so I replace them every 15K miles.

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Old 07-26-2011, 11:50 AM   #9
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Quote:
Originally Posted by anotherguy View Post
Hold on a minute. Is it the countershaft that has endplay or the sprocket moving on the countershaft?
Sprocket sliding ON the countershaft, with the bolt tight.
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Old 07-26-2011, 12:05 PM   #10
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Quote:
Originally Posted by anotherguy View Post
Some end play is OK. How much are we talking about?
I'm about to do the chain/sprocket swap on my DR, so I'm reading with interest. It seems in this thread, a little slop is acceptable, but that doesn't reconcile with the thread a few doors down. I don't want to end up in this situation.
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Old 07-26-2011, 02:50 PM   #11
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If the sprocket is sliding on the C/S something isn't right. The C/S on my Tuono has .040" end play but the sprocket is solid. 80K miles and no problems. But you've got something that needs attention.
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Old 07-26-2011, 02:58 PM   #12
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Yes, it's normal.
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Old 07-27-2011, 01:21 AM   #13
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It is indeed normal.
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