legin
L plate rider.
Posts: 14
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Post by legin on Sept 27, 2020 16:08:29 GMT 1
My 350LC suffers the heavy clutch syndrome. I have fitted new cable etc and its improved things dramatically but it still too heavy for me. Im reluctant to mess with the springs (which are almost certainly uprated) because is works well with a good grip on things.
I read someone extended the crank by 10mm which is what Im considering as a solution. So my question is have others done this and if so what worked and what didnt - why not 15mm for instance ?
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Post by midlifecrisisrd on Sept 27, 2020 17:00:04 GMT 1
The longer you make it the less throw the clutch will have
The lever/cable travel is fixed but as you make the arm longer it takes more travel for the same rotation of the mechanism
10mm should be fine as you are probably adding 25% to the arm so 25% more force
Updated springs are usually 15% so should in theory take it to lighter than standard
Steve
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legin
L plate rider.
Posts: 14
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Post by legin on Sept 27, 2020 18:33:24 GMT 1
Subjectively 25% less would be perfect. I will check the length of the arm and see it its 40mm. Dont want to go to far and run out of travel and get poor disengagement. It seems 10mm is proven to be OK. I guess Im surprised how often the springs are softened vs this mod which seems to have no downside.
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Post by Tobyjugs on Sept 27, 2020 21:37:42 GMT 1
Subjectively 25% less would be perfect. I will check the length of the arm and see it its 40mm. Dont want to go to far and run out of travel and get poor disengagement. It seems 10mm is proven to be OK. I guess Im surprised how often the springs are softened vs this mod which seems to have no downside. Let us know when you do it. |
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Post by tacky1 on Sept 27, 2020 22:41:49 GMT 1
Fit 3 stock springs with 3 race springs. You don’t need 6 race springs in a clutch. None of my bikes have any slippage with 3-3
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Post by flames on Oct 1, 2020 21:05:39 GMT 1
Are you sure there is not something else amiss?
I have hd springs in my LC clutch, but I can still pull the lever with 2 fingers and is smooth.
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Post by midlifecrisisrd on Oct 1, 2020 21:46:23 GMT 1
Are you sure there is not something else amiss? I have hd springs in my LC clutch, but I can still pull the lever with 2 fingers and is smooth. Its all that w4nking mate 😉 Steve |
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Post by flames on Oct 1, 2020 21:49:25 GMT 1
Are you sure there is not something else amiss? I have hd springs in my LC clutch, but I can still pull the lever with 2 fingers and is smooth. Its all that w4nking mate 😉 Steve Hadn't thought of that..... good thing I'm a lefty.😊 |
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YZR654
L plate rider.
Posts: 44 
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Post by YZR654 on Oct 1, 2020 23:31:36 GMT 1
i had a similar problem on my bike changed it to a hydraulic clutch couldnt believe the difference well worth doing
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Post by bare on Oct 2, 2020 17:24:27 GMT 1
Light clutch is one of THE best features of our 350's.
Don't Eff with it ! because of Internet advise.
A good cable.. STOCK.. springs and the larger Frictions from an FZ600 . et al
And yer good to go for pretty well all the power you can reasonably get.
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legin
L plate rider.
Posts: 14
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Post by legin on Oct 2, 2020 17:38:52 GMT 1
Im trying to unwind something done by previous owners so second guessing a bit. I have a new genuine cable and lever and its Ok probably for many people but still a bit much for me. I get your comments on springs which seems a favourite option but the larger friction area theoretically at least would make it worse. Does the FZ 600 lining have a higher friction coefficent ?
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Post by rich on Oct 4, 2020 18:49:22 GMT 1
Does the FZ 600 lining have a higher friction coefficent ? No, the FZ plates are wider due to having a smaller inside diameter. The FZ bikes don't have the rubber damper rings inside the plates so you end up with a larger surface area when you use them in an LC or YPVS. |
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legin
L plate rider.
Posts: 14
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Post by legin on Oct 4, 2020 19:07:17 GMT 1
Ok thanks for that.
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Post by russie on Dec 16, 2020 22:54:50 GMT 1
Anyone know the purpose of the rubber rings between the metal plates?
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Post by JonW on Dec 17, 2020 0:14:36 GMT 1
Anyone know the purpose of the rubber rings between the metal plates? noise reduction. |
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Post by rich on Dec 17, 2020 0:37:39 GMT 1
Anyone know the purpose of the rubber rings between the metal plates? noise reduction. Also helps separate the clutch plates when lever is pulled in to prevent drag. |
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Post by mangocrazy on Dec 28, 2020 14:06:24 GMT 1
My 350LC suffers the heavy clutch syndrome. I have fitted new cable etc and its improved things dramatically but it still too heavy for me. Im reluctant to mess with the springs (which are almost certainly uprated) because is works well with a good grip on things. I read someone extended the crank by 10mm which is what Im considering as a solution. So my question is have others done this and if so what worked and what didnt - why not 15mm for instance ? Sorry for the thread resurrection, but how do you 'extend the crank'? A description of parts involved would be great, a photo or two would be wonderful... |
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Post by 4l04ever on Dec 28, 2020 14:37:44 GMT 1
You would ask today... I had an extended one in my hand yesterday, but buried away again now. Will see if I have any pics anywhere.
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legin
L plate rider.
Posts: 14
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Post by legin on Jan 2, 2021 10:50:25 GMT 1
My 350LC suffers the heavy clutch syndrome. I have fitted new cable etc and its improved things dramatically but it still too heavy for me. Im reluctant to mess with the springs (which are almost certainly uprated) because is works well with a good grip on things. I read someone extended the crank by 10mm which is what Im considering as a solution. So my question is have others done this and if so what worked and what didnt - why not 15mm for instance ? Sorry for the thread resurrection, but how do you 'extend the crank'? A description of parts involved would be great, a photo or two would be wonderful... I havent actually done it yet. From what I have seen the steel arm where the cable connects is extended by 10mm. This requires the use of a welder. Doesnt look very difficult. |
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Post by mangocrazy on Jan 2, 2021 13:16:38 GMT 1
Sorry for the thread resurrection, but how do you 'extend the crank'? A description of parts involved would be great, a photo or two would be wonderful... I havent actually done it yet. From what I have seen the steel arm where the cable connects is extended by 10mm. This requires the use of a welder. Doesnt look very difficult. OK, that makes perfect sense. I may well give that a go in the next few weeks. So basically you cut and shut it, adding a 10mm piece of metal between the two halves? |
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Post by 4l04ever on Jan 11, 2021 18:44:43 GMT 1
I havent actually done it yet. From what I have seen the steel arm where the cable connects is extended by 10mm. This requires the use of a welder. Doesnt look very difficult. OK, that makes perfect sense. I may well give that a go in the next few weeks. So basically you cut and shut it, adding a 10mm piece of metal between the two halves? Yes :-) |
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