Chain adjustment - Ducati Supersport 939 Forum
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post #1 of 107 (permalink) Old 05-19-2017, 04:59 AM Thread Starter
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Chain adjustment

While I'm waiting for my Supersport to arrive at the dealer, I'm reading the owners manual to learn some more about the bike.
And then I came to the section of "chain adjustment" in the owners manual. And my thought was: Are Ducati kidding me? Are they really serious???
Why, you may wonder.
Because this it what they say about how to adjust the chain: Go to a dealer.

Really? You mean that on a sports tourer you shouldn't be able to adjust the chain yourself, but go to an authorised service center or a dealer?
No tools provided to adjust the chain? The only hint in the book is to release a nut, but it doesn't give any clue about how to adjust the chain.
Do you have some tips about how to adjust it yourself and avoid to search for a service center when you're out travelling....?
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post #2 of 107 (permalink) Old 05-19-2017, 05:30 AM
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Looks like they missed a page out of the manual. It looks exactly the same as my 848. When you loosen that bolt marked 1, you can then use a C spanner on the axle, which is eccentric, and will tension or loosen the chain.
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post #3 of 107 (permalink) Old 05-19-2017, 03:08 PM
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@Fredinfrance
Can you demonstrate some detail. Feeling like a bit of a numb nut so some pics will go down well. I have seen the pics on the thread but how is the tensioner adjusted or is it only the swing arm travel which tensions the chain.
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post #4 of 107 (permalink) Old 05-19-2017, 03:33 PM
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It is not swing arm adjustment. The wheel hub is an eccentric . Turn it with the spanner to tighten/loosen the chain. Of course, this is after loosening the pinch bolt. Easy, peasy. Even a golfer can do it. Parts fische is a good reference.

Edit: Sorry, Fred. All I did was repeat what you said.

I don't do much, but it takes me a long time.
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post #5 of 107 (permalink) Old 05-19-2017, 03:36 PM
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How much detail can I explain? The axle is eccentric so as you rotate it, with a C spanner, it moves backwards or forwards. If you look at the parts catalog you will even see the C spanner listed as a special tool, I have my own.
You only have to search Youtube and you will find videos showing how it is done. See this one
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post #6 of 107 (permalink) Old 05-19-2017, 04:19 PM Thread Starter
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I like that you're all explaining this to me. But, I think it's funny that Ducati says you have to go to a dealer to adjust the chain. And that they can't provide the right tool in the toolbox with the bike, so you have to order a special tool... It's a lot much more easier to adjust chain on a single sided swing arm, but you got to have the right tools. And it's petty Ducati won't provide it with the bike.
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post #7 of 107 (permalink) Old 05-19-2017, 04:52 PM
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I think that you need to realise that DUcati are like every other company in that they exist to make money. If they can get you to go to a dealer then that is them making money. I never take any vehicle to a dealer and my car is now on about 140,000 kms. There is not much that cannot be done in a garage.
As for the c spanner, I just use the one that has been in my tool kit for years, it is just a double sided adjustable c spanner. Try an ebay search with "ducati chain adjuster" and you will find loads of then from about £15.
The reason that they are not supplied is that modern chains are so good that they don't need adjusting as much as those that we had years ago.
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post #8 of 107 (permalink) Old 05-19-2017, 11:16 PM
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The spanner certainly wont fit in the tool kit supplied with the bike, and there's no where to safely attach it to a bike when it's shipped.
Other than buying a C spanner I would suggest that adjusting the chain on a single sided Ducati is easier and more simple than a bike with a double sided swing arm where you have to make sure you adjust both sides to ensure front and rear wheel alignment. Saying that I seem to remember Honda provide a C spanner with the VFR800F.
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post #9 of 107 (permalink) Old 05-20-2017, 01:02 PM
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Quote:
Originally Posted by steeve View Post
The spanner certainly wont fit in the tool kit supplied with the bike, and there's no where to safely attach it to a bike when it's shipped.
Other than buying a C spanner I would suggest that adjusting the chain on a single sided Ducati is easier and more simple than a bike with a double sided swing arm where you have to make sure you adjust both sides to ensure front and rear wheel alignment. Saying that I seem to remember Honda provide a C spanner with the VFR800F.
yep, fits under the seat as well. 2 min job to do the chain on my VFR
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post #10 of 107 (permalink) Old 05-20-2017, 02:29 PM
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Well it's easy done by yourself. However, if Ducati point you to the dealer it's him making money not Ducati - nevertheless, Ducati relies on its dealers, so it's in their own benefit, if the dealer is happy.

I can only tell for my dealer, but at him, adjusting the chain usually is done for free and does not take more that a minute. He does that as service for his customers - so, how about you try with your dealer first, before complaining ... ?
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