Tight Chain?? - MVAgusta.net
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post #1 of 14 (permalink) Old 06-14-2009, 04:09 AM Thread Starter
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Tight Chain??

People,

Last night I went out for a blast on my 2000 F4.

I do have what can only be described as a "tapping" noise that seems to be originating in an area by my left footpeg.

It increases with road speed and is certainly apparent when coasting, I cannot tell if it is place then the engine is in gear as general engine vibration means it is difficult to detect/

I have had this on a previous bike and it turned out to be the chain.

I have never adjusted the chain on my MV. I know it is no excuse but I have some aftermarket carbon fibre fitted on the swingarm so cannot gauge the tension. The chain is lubbed very regularly using Castrol Chain wax.

The bike has done around 4500 in ten years.

Ideas anyone??

Thanks





Sub

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post #2 of 14 (permalink) Old 06-14-2009, 04:22 AM
Be very careful and slacken it off, you can easily damage the hub bearings with an overtight chain, see various threads here on hub failure It could be one of the rollers in the chain itself has damage in which case it would be advisable to replace the chain completely


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Keep one wheel down!

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If you can't fix it with a hammer you've got an electrical problem!


No MV's in the garage anymore
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but I pop in here from time to time
. Come to think of it I don't have a garage since the old one burnt down!
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But.....a new one is currently rising from the ashes......watch this space!
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post #3 of 14 (permalink) Old 06-14-2009, 04:28 AM
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Have you checked your chain to see if there is any seized links? I had the same problem and that was the cause.
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post #4 of 14 (permalink) Old 06-14-2009, 06:36 AM Thread Starter
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I will slacken the chain off but obviously dont want it to cause damage due to it being too loose, how is it best to check for seized links??

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post #5 of 14 (permalink) Old 06-14-2009, 07:23 AM
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Get some one to sit on the bike and check the adjustment.Check the hub for slack in the bearings.


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post #6 of 14 (permalink) Old 06-14-2009, 08:21 AM Thread Starter
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Quote:
Originally Posted by MORT View Post
Get some one to sit on the bike and check the adjustment.Check the hub for slack in the bearings.
How is it best to check for chain adjustment with after market carbon on swingarm guys????

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post #7 of 14 (permalink) Old 06-14-2009, 08:32 AM
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My aftermarket carbon chain guard is exactly the same dimension as the OEM plastic part. I compared before installation, so i use the standard measurement process from the owner manual.

To check for sized links, put the bike on the paddock stand and slowly rotate the rear wheel. watch the chain at the long run on the bottom. If any links do not easily straighten out as the go along that run (stay bent relative to the next link), grab the chain and see how hard it is to flex that link. Stiffness or roughness at any link pivot is indicator of time for a new chain.

Also note if the chain seems to get more tight or loose in spots as you rotate it, indicating uneven stretching and time to replace.

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post #8 of 14 (permalink) Old 06-15-2009, 02:41 AM Thread Starter
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Surely guys I cannot be looking at a new chain after 4500 miles!!?!?

When my Dad and I first laid our eyes on an MV Agusta at the UK launch, we were simply blown away.................
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post #9 of 14 (permalink) Old 06-15-2009, 04:11 AM
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4500 miles but it's the original chain you said? 10 years old? When you lube the chain, do you also clean the old lube and road grit off it? It does sound like you have a seized link and yes that would mean a new chain. After 10 years you can't really complain about a chain replacement though?
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post #10 of 14 (permalink) Old 06-15-2009, 04:39 AM Thread Starter
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Fella's. My local dealer Forza Italia at Silverstone UK have also suggested perhaps a siezed link. What I propose to do is firstly full degrease the chain using petrol / parafin or similar. I have a mate who has suggested diesel as it does not roty the seals. Then really lube it with a penetrative lubricant like WD40 to get into any rust deep in the chain and then use a load of Castrol lube.

Just out of interest, can anyone advised on how to remove the front sprocket cover as I would have thought it would be easy to see a siezed link at the front sprocket due to the small radius of the sprocket.

When my Dad and I first laid our eyes on an MV Agusta at the UK launch, we were simply blown away.................

Last edited by Submariner; 06-15-2009 at 05:03 AM.
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