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 Post subject: Tips for servicing Forcella forks
PostPosted: Mon Jul 03, 2017 12:14 pm 
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Joined: Sat Feb 25, 2017 11:51 am
Posts: 186
Howdy,
I am not familiar with the F1/stock Forcella forks. The forks dont leak on my bike that has been sitting for 27 years. Is that possible :-) Maybe no oil in them?? I just want to do a oil change at this point. Any quick tips on oil weight and quantity for warm climate. (or just follow stock manual recommendations)

It looks like you have to take the entire fork cap off via gripping the drillings around the cap. I guess you are suppose to have a special tool? any tips on this. If on a front stand is there much preload on the cap as you release it. And drain wise...it appears that the single screw (of the 3 screws) at the front of the fork is the drain. Not the pair of lower screws that angle downward.

Any/all tips appreciated!!

Clay


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 Post subject: Re: Tips for servicing Forcella forks
PostPosted: Mon Jul 03, 2017 5:51 pm 
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Joined: Fri Oct 15, 2010 12:20 pm
Posts: 1237
Location: Vermont, USA
Hi Clay, do you have a 750 F1 workshop manual? If not, go to bevelheaven.com and to the manuals index for an online copy. The forks are in section I, pages 140 to 149. Not an overwhelming amount of information, but should get you started.
Bill


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 Post subject: Re: Tips for servicing Forcella forks
PostPosted: Mon Jul 03, 2017 10:18 pm 
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Joined: Thu Oct 14, 2010 11:23 am
Posts: 1155
Look for the 5/28/2016 question about this posted in this same section by fastfrank.

There is a special wrench with a peg and a hinge on it you can use to spin the top off; I cannot remember what they are called, but they are available cheap. Kinda like hinged shock spring adjusters. The forks use 280cc of fluid if dissassembled, something less with just a draining. 10 wt is enough, or ATF. The tricky part is getting the adjusting rod back in, and aligning the numbers on the cap perfectly with the 0 or 5 --- they usually don't. Then you must remove the small set screw from the cap to pull it off and re-align the numbers. Be Careful Because A Small Ball Bearing And Spring Will Pop Out And Roll Across The Floor! Put them back once the cap is aligned.

Good luck, MikeV

Thanks flattop. MV


Last edited by 618F1 on Tue Jul 04, 2017 12:49 am, edited 1 time in total.

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 Post subject: Re: Tips for servicing Forcella forks
PostPosted: Mon Jul 03, 2017 11:51 pm 
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Joined: Tue Mar 18, 2014 10:03 am
Posts: 180
Hi Cal...
I believe this is the wrench Mike is referring to. They do come in a diameter specific size, but you'll get a little more mileage (fits more sizes) with the hinged type. And yes, make sure it's got the right sized pin. This is the only tool you should use to take the caps off, and put them back on.
Regards...
Flattop
Oh.. and few layers of black electrical tape will go a long way, to protect the black anodised finish.
Oh#2... it will be probably easier to crack them loose with the fork still in the bike(wheel and axle in place) and drive them home in the same manner.


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 Post subject: Re: Tips for servicing Forcella forks
PostPosted: Wed Jul 05, 2017 12:30 am 
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Joined: Sat Feb 25, 2017 11:51 am
Posts: 186
Thanx for the tips guyz. Even the simplest maintenance items seem to be complicated. The manual is useless. And then the limited info that is provided is inaccurate. It indicates the wrong drain screw. Now I need to go buy one of those pin spanners.....this was almost a cheap and easy maintenance item.


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 Post subject: Re: Tips for servicing Forcella forks
PostPosted: Wed Jul 05, 2017 8:06 am 
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Joined: Fri Oct 15, 2010 12:20 pm
Posts: 1237
Location: Vermont, USA
These are good forks, irksome yes, but with a little patience you can learn to love them too. Try the forum search. Here's an older thread that covers a lot.
http://www.ducatittandf1.com/viewtopic.php?f=24&t=1657&hilit=+Forcelle+Italia+

And these may still be the only fork seals available. Must order (2) for a pair.
http://www.stein-dinse.biz/Ducati/Fork/Fork-gasket-rings/Duc-Fork-seal-40mm-750-F1-with-dustcover::7363.html


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 Post subject: Re: Tips for servicing Forcella forks
PostPosted: Wed Jul 05, 2017 10:51 am 
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Joined: Thu Oct 14, 2010 11:23 am
Posts: 1155
Now that is a great write-up Bill. I had forgotten about it. Thanks again, MikeV


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 Post subject: Re: Tips for servicing Forcella forks
PostPosted: Wed Jul 05, 2017 8:25 pm 
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Joined: Sat Feb 25, 2017 11:51 am
Posts: 186
618F1 wrote:
Now that is a great write-up Bill. I had forgotten about it. Thanks again, MikeV


Yes.....I second that, Thanx again. I had no idea that getting the right fork seals was an issue either.


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 Post subject: Re: Tips for servicing Forcella forks
PostPosted: Thu Jul 06, 2017 6:51 am 
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Posted this before but cant find old posts like Bill. Info on setting up the adjusters.
-Cranky-


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 Post subject: Re: Tips for servicing Forcella forks
PostPosted: Thu Jul 06, 2017 8:44 am 
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Joined: Fri Oct 15, 2010 12:20 pm
Posts: 1237
Location: Vermont, USA
Mike, those hand written spring dimensions and spring rate, are those for the OEM springs or aftermarket springs you used?
Bill


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