Difficulty in using the clutch in my 1982 Jota 1000c

S

spags

New member
Hi Guys. Due to a medical condition my left arm and hand muscles have become very week to a point I cannot compress the clutch on my Jota 1000c 1982 model. It has completely stopped me from riding my bike. Has anybody experienced that and does anybody have a solution to reduce the strength required to use the clutch. My Jota has a hydraulic clutch and I have just reconditioned the clutch muster cylinder.
 
spags said:
Hi Guys. Due to a medical condition my left arm and hand muscles have become very week to a point I cannot compress the clutch on my Jota 1000c 1982 model. It has completely stopped me from riding my bike. Has anybody experienced that and does anybody have a solution to reduce the strength required to use the clutch. My Jota has a hydraulic clutch and I have just reconditioned the clutch muster cylinder.
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I fitted a clutch master cylinder from an early Ducati Monster, smaller dia piston. Clutch much lighter now.
 
I fitted a PS13 from a wrecker, just to try. Different style so doesn’t really match anything but it’s a lot easier to use. Slight clutch drag for a minute when cold, so I wouldn’t go any smaller, but I think the Jotas had PS15 so you’d notice a big difference 👍

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I have no first-hand info but apparently a 13mm Ducati master helps a lot, plus I think Red and Keith do kits that reduce the pull on Hydraulic clutches. There is always a way to keep riding your Laverda as we age, good luck continuing to do so.
 
Vince said:
I have no first-hand info but apparently a 13mm Ducati master helps a lot, plus I think Red and Keith do kits that reduce the pull on Hydraulic clutches. There is always a way to keep riding your Laverda as we age, good luck continuing to do so.
Click to expand...

I think the diameter of the master cylinder is 12mm but will stand corrected. I have one fitted to my RGS and it has transformed the pull on the clutch lever.
The master cylinder is off an early Ducati monster.
 
you just need to fit one of these and the clutch is as light as a helium filled balloon. All other things need to be good of course, the ball in the slave cylinder (round and free) the ball between the two pushrods (round and free) the thrust bar at the back of the cluctch drum, (straight, not bent no serious indentation), I also find that my Ducati master cylinder lever needs to be removed and the pivot greased occassionally, it still carries the same load even though you dont "feel" it.
CLEM
 

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Gees Thank you Guys for all the suggestions. Very helpful. Clem when you say "fit one of these" is that the Ducati Monster clutch master cylinder that most refer to. And the other point is I better dismantle the clutch assembly to makes sure all is ok.
 
not sure of model designation, (Paddy will know) it was an auto jumble find for peanuts and worth the "fit and see" installation method but a great result, as anyone who has tried it will tell you, they think I have only three clutch springs installed.
CLEM
 
Ducati Monster Clutch Master - or Laverda Zane Models - they almost all have PS 13 clutch masters. They work extremely well and make the clutch as light as on many modern machines. If you have 4-pot calipers, you could buy a set (clutch and brake masters) and have them installed on your bike. they even look nice in gold, but they are also available in black as the original ones.
 
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