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 Post subject: count revolutions gear
PostPosted: Fri May 03, 2019 1:48 pm 
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Joined: Wed Jul 25, 2018 12:01 pm
Posts: 6
Location: Spain
model: 907 I.E.
year: 1991
Hi again,

The count rev gear doesn't work ok,the interior where the cable go in slip, normally is the cable that turns round but no this time and my Ducati dealer says doesn't produce

Anybody knows where can i find it? I'm waiting some answers from other ducati foro but no answers at a moment

At parts catalogue is on page 27, piece number 13. I'll try to add a pic.

Thanks a lot.


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 Post subject: Re: count revolutions gear
PostPosted: Fri May 03, 2019 1:51 pm 
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Joined: Wed Jul 25, 2018 12:01 pm
Posts: 6
Location: Spain
model: 907 I.E.
year: 1991
I don't know why i can't upload the picture. :banghead:


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 Post subject: Re: count revolutions gear
PostPosted: Fri May 03, 2019 5:10 pm 
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paso grand pooh-bah
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Joined: Sun Jul 18, 2004 12:00 am
Posts: 5320
Location: southern Germany
model: 750 Paso
year: 1987
I think the problem may be the cable not the drive.
However you can still get them. I.e. https://www.ebay.de/itm/Original-Ducati ... .l4275.c10


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 Post subject: Re: count revolutions gear
PostPosted: Tue May 07, 2019 11:07 am 
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Joined: Wed Jul 25, 2018 12:01 pm
Posts: 6
Location: Spain
model: 907 I.E.
year: 1991
Thanks @paso750,

But the cable is ok, i bought a new one thinking was the cable,normally the connections turns round, but not now.
I tested all the sistem without de cable cover and works but when there's a minimum pressure, friction on it, the drive still moving but not the cable, then i suposse is the drive.

Sorry if i can't explain better, I have to practice more english :D

Thanks again.


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 Post subject: Re: count revolutions gear
PostPosted: Wed May 08, 2019 8:52 am 
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paso grand pooh-bah
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Joined: Thu Nov 03, 2011 10:13 am
Posts: 646
Location: Scotland
model: 907 I.E.
year: 1994
I had a problem with the tacho on my 907. The drive was turning with plenty of power available. The cable was intact and turning strongly but the revcounter wasn't registering. It turned out that the cable was a poor fit in the revcounter socket. Either the square on the end of the cable was worn or it was too short and wasn't mating properly with the matching square hole in the revcounter head. A new cable fixed it. Perhaps you have similar problem with the cable at the drive end.

_________________
1994 907ie
2017 Supersport 939
2015 Scrambler Classic
1982 Pantah 500SL


Scotland


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 Post subject: Re: count revolutions gear
PostPosted: Mon May 20, 2019 12:40 pm 
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Joined: Mon Dec 14, 2015 4:07 pm
Posts: 5
Location: Australia
model: 907 I.E.
year: 1991
This is an old problem that was there right from the start when the 907 was produced.
The problem is the drive. The "square" hole in the drive is a tad too big. It works with a new cable but fairly soon rounds off the corners of the cable. The cable starts to slip but not all the time but gets worse over time.
The fix is easy, make the cable bigger. I got a friend to build up the cable and then gradually filed the square again. It took awhile, check fit, file a bit, check fit and file. You get the picture. I did this 60,000 km ago and haven't had an ounce of trouble since.

Good luck, it's worth the effort.
Willo from Australia


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