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Clutch problem rapide

Ian Adams

Forum User
Non-VOC Member
#1
Help I am having major problems in setting up my clutch on my rapide. I have followed the manual and whatever I do I can’t seem to get the clutch to work correctly. It ether slips or just doesn’t work at all. I have taken it apart so many times and checked everything as per the manual and just cant get the unit to work. Any body out there who can give me some advice on what I am doing wrong?
 

john998

Well Known and Active Forum User
VOC Member
#2
Clutch

Dear Ian,
I enter this with great trepidation as the clutch is one of the great Vincent mysteries.
Big Syd is on of the few people that have a grip on it. ( sorry about the pun)
Do you have Forty years on? If so look at page 219. If you assemble the clutch as per the spare parts list it will not work. Beyond that are the plunger centralizing springs free, and make sure that the springs do not become coil bound, over tightening the adjustment caused my 5 years of slipping clutch, and much swearing.
Forty years on and Another ten years are invaluable.
John.
 

overthehill

Active Forum User
Non-VOC Member
#4
i cured the many problems with my rapide clutch by a visit to an autojumble and the purchase for £10 of a good condition clutch from a 550 Honda. - a few nights of work on the lathe, some ally welding from a mate and i now have a honda clutch on the vin - the only mod i had to do the the bike was drill a hole through the casing so that the clutch can share the oil from the primary drive. -easily sealable if ever i see the need to go back to original. one tip if you plan to do similar - find out exactly the model/year of the bike the clutch comes from as you will need it if you need to buy new plates.
 

Ian Adams

Forum User
Non-VOC Member
#5
[FONT=&quot]Thanks for the suggestion but would like to keep it original. However will keep it in mind as it is now driving me made with frustration as it been on and off the bike to many time to mention and still doesn’t work[/FONT][FONT=&quot]! Is there any one in the Bristol area I could take the bike to so they can set it up?[/FONT]
 

stumpy lord

Well Known and Active Forum User
VOC Member
#6
clutch problems

Hi ,
it is many years now since I delved into the depths of a vincent clutch. I two run a Suzzuki clutch in the twin. However I do remember my friend Colin manning submitting a very comprhensive artical in M.P.H. on how he over came his Vincent clutch problems , it might be help full for you to read it. Sorry I can t remember Which one it was but Iam sure their are blokes out there who can tell which magazine it was , failing that give me a line and when colin gets back from france ,I will give him a ring and find and get the gen for you.
cheers stumpy lord.:confused:
 

stumpy lord

Well Known and Active Forum User
VOC Member
#7
clutch problems

Hi,
For more information on Vincent clutches, have look at www. the vincent.com
where you will find amongst other things the information on Vincent clutches by big Sid Biberman refered to by John Stainton.
hope this helps.
stumpy lord:rolleyes:
 

Ian Adams

Forum User
Non-VOC Member
#9
Thanks already looked at it.Still not getting any clutch.The problem seems to be the outer clutch not having enough pressure on the plate.There seems to be a lot of play there.I have put new springs in but this does not seem to make any difference.Just get that feeling I am missing something obvious.Checked the parts book and everything is there. The nine pins in C14 moves backward and forwards if you pull it is this correct?
 
#10
Clutch.

Ian, put it on ebay and ring me on Thursday when I will be back from the French rally and order one of our multiplate clutches, then you will be able to spend more time riding the bike than working on the clutch :D

Cheers,
Russ
 

stumpy lord

Well Known and Active Forum User
VOC Member
#11
clutch problems

Hi Ian,
it sounds as if you need some practical help, why not get in contact with your local section, I am sure claire Whiteway could point you at somebody localy with the knowledge to help sort out your problems,you can find the bristol and wessex section address in the may edition of the M.P.H.
As for Suzzuki cluthes, Clever Trevor of hayling Island produces them, all you have to do is supply him with a suzzuki clutch , he will do the rest.
cheers stumpy lord:rolleyes:
 

John Cone

Well Known and Active Forum User
VOC Member
#12
Ian, the problem I had with the Prince was the clutch wouldn't clear in traffic when hot. The answer I found was to do away with the original segmented plate and machine out the basket and fit a Lightning one piece plate. What a difference.
 

timetraveller

Well Known and Active Forum User
VOC Member
#13
Vincent Clutches

Do not admit defeat. Human beings should not allow themselves to be defeated by lumps of metal unless fired from guns or used as clubs. I suggest that you arrange a nice comfortable seat alongside your bike and when sitting comfortable take the clutch apart. Study the way in which it is meant to work (zen and the art of cluch mainenance). When you have understood what it should be doing then you will be able to put it back so that it works properly. If you have it working properly and are still not satisfied then get a multiplate item but do not run the V3 dry. It grabs worse than any Vincent clutch. The thing to understand is that the outer single plate clutch is there only to servo the drum clutch. If either is full of oil it will not work. You should be able to move the outer clutch by hand against the centralising springs in the shoes and feel serious resitance in both directions, forwards and over run. You must have clearance between the pushrod and the outer plate or it will never work and you must ensure that the outer plate lifts squarely. If it does not then think about fitting a 'mushroom' type lifter (mini car valve) but this gets rid of the adjustment in the centre of the plate. When testing the movement of the shoes by hand make sure that there is significant force required. The springs in the shoe plungers get old and the plungers get knackered and floppy. Make sure that the plungers move smoothly and that the shoes are a nice fit on their pivots. If the holes in the shoes are worn then they can be bushed but give the job to someone who knows what he is doing (Bob Dunn). Understand it. It is only bits of metal which can be seen and not electrons moving in a cicuit which cannot be seen. When you understand it and make sure that all the parts do what they should do it will work. Whether it works as you would like in modern trafic is up to you to decide.

If the outer plate clutch is flopping about then have you checked that you have the tubes over the hollow rods which take the screws, the correct number of springs and all the cups behind the springs
 
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