Ducati Monster Forum

Look what was hiding under my belt covers.  I took them off to paint them and boy was I glad I did. Bearing fell apart and seized up and started tearing the belts.  Anyone else seen this before.  This scares me as the bike only has 4k miles.  Had bike towed to Ducati Austin. The dealer said If I rode it I would be looking for engine on EBAY.  Pretty friking scary...Makes me want to get open covers so I can keep an eye on things in there.

(http://i455.photobucket.com/albums/qq277/jtmoto/belt007.jpg)
(http://i455.photobucket.com/albums/qq277/jtmoto/belt005.jpg)
(http://i455.photobucket.com/albums/qq277/jtmoto/belt003.jpg)
(http://i455.photobucket.com/albums/qq277/jtmoto/belt009.jpg)


need some of these


(http://i455.photobucket.com/albums/qq277/jtmoto/11-0220BLK-GRY.jpg)

WOW - you're lucky  :o [thumbsup]

Isn't your bike under warranty - so it would have been Ducati's problem, not yours?

Better not to find out [cheeky]

+1 on the SpeedyMoto open cover covers - very cool look

Huh close call. Glad you saw it in time. Now go buy a lottery ticket, or maybe not ,because I think you have used up a good deal of your luck at this one. ;D

You are typing within the quote text - try putting the cursor outside the last quote signs. If you "enter" you should see the cursor move away from the quote.

Do the SpeedyMoto really protect anything? Wouldn't just running no covers be the same with the exact same risk of getting something in there?

Let me guess - S2R1000?

There were a lot of those bikes that had the belt tension spec that was too tight.  This lead to.. exactly what happened to you. 

800

now you got me wanting to go check mine
i guess you said 05 mine is an 07
more things to be worried

Nice save!!!  [thumbsup]   [moto] 

I think that proves that god loves ducatis best! Nice save.

Scary. Guess I need to weigh the risk of no cover vs open covers.

there is no risk. This is why you should inspect your bike often. I cant tell what bike you have, maybe a 695 or S2R800 from the looks of the header. But it might of been that the belts were way to tight. When was the 600mi done? which reminds me, its been almost 4,000 miles since my 6,000 mile.....

I gotta go check mine!

600 mile was done by KC International on time.  The bike has under 4 grand on it.  I will keep an eye on this for sho in the future.  Think I'll go with the speedy moto covers and I can check it every pre-ride.

Im more intrested in wen the 600 mile was done. as in the date. It might of been when the tighter specs were still in effect.

Belt tensioner bearings have an arduous duty, they have high loading, get hot and rely on the prelube.
I changed mine for ceramic.

wellp.. i'll be checking mine before i start it up again.

I read this thread 2 hours ago and I felt compelled to check my belts and bearings as well. Everything was good but I had to be sure.

what did they run you?

ceramic bearings are way expensive.  I was considering getting some for my bike (of th pedal variety) but it was 100 bucks for a small bearing about 1.5 cm in diameter.

I like the open speedymoto belt covers too.

(http://farm4.static.flickr.com/3200/2477740846_fb53e75cb6.jpg?v=0)

+1.   That's an interesting option but I'd like more info and your experience with them so far.

Got a P/N for the ceramic bearing?

part number???

It happened exacltly the same to may 06 S2R100.
Bearings gone, and belt was ready to brake. The dealer saw it and warned me on the 6 miles service.

Now and then I get the covers out to check hows everything going.

Those Fast italian Machines... [roll] - just like children: a lot of fun, but a lot to worry about.

To the OP, I would ask you dealer about a good faith warranty. Those bearings are sealed and aren't a maintenance item...

+1

In my country a consumer law states that any product which is clearly supposed to last longer than the mandatory 2 years warranty has to be covered by warranty for it's entire life expectancy. This might of course not help you, but the point is that you should have them replaced since they're not supposed to cave after just 4k miles. Tell your dealer we said so ;D

I just gave the bearing numbers to the supplier and he matched them, they run about £65.
In the US, Boca Bearings seems the best supply  www.bocabearings.com (http://www.bocabearings.com)

I was surprised that my supplier even came up with ceramic main bearings, given that even the std items are somewhat difficult to find.
A complete set of ceramic bearings (including the front wheel) runs about a $1000.

The Ducati OEM part number for the 4 bearings in the timing belt assembly for my 05 S2R is  70240691a

When I plug that into the Ducati Omaha database it comes up with

BEARING 1000 MR-SS-MTS/05      for 14.99

Is this what you provided your supplier or should I look somewhere on the bike for the info.   Either way anyone want to translate the description.   I'm assuming each number, letter set is a size or classification but you know what they say about assuming.

I got the part numbers off of the bearings, in the case of the Desmoquattro these are  Movable Belt Roller 61004 2RS1+40, Fixed Belt Roller 6003-2RSH/C3

one of the cam tension pulleys on my S2R1K was siezed before 12K mile service.  This is one of those parts you are supposed to check every few thousand miles. 

YES, Ducati does stipulate higher belt tensions on the DS bikes than they did on previous motors.  NO they haven't changed back...

While I don't think Ducati is any more infallible than the pope, I do think they've been making the desmoduo long enough to be the uncontested experts in that field.  Leave it tight, just like the book says, and just do you preventative maintenance and you'll be alright. 

You know, the bike didn't run well while the tensioner was toast, so that was kind of an indicator to the issue

On the Desmoquattro, I have seen the seal on the adjusable pully bearing, damaged by the socket used to hold it during adustment.

+1

I my case I did exactly that. The dealer put new bearings and new belts in warranty.

(http://i562.photobucket.com/albums/ss64/rokkshocka/photo.jpg)

Here's a pic of my horizontal cylinder with the replacement tensioner as the bottom bearing.  Note the heat discoloration on the top bearing?  I'm thinking this spring I'll go ahead and replace that one too...  Just to be safe.  I will try to get a picture of the old style tensioner on my vertical cylinder in the near future.  Also, it doesn't show in this photo, but I always look on the outside of the belt to make sure I can still read the words printed on the belt.  I've replaced belts at 12K miles that were still legible, so it the words are worn off I just replace the belts to be safe...