adam1985
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| posted on 24/5/08 at 04:09 PM |
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clutch spring
have been told that i need another clutch spring in the bec so went down to the local bike parts suppliers and asked them for one and explained what
its for just to get a confused look back is there any where i can get one from on net or is there a specific thing i should be asking for its for a 06
r1 5vy
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The Great Fandango
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| posted on 24/5/08 at 05:01 PM |
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Hi Adam,
What is the problem with your clutch in order for you to be recommended a spring?
Have you taken the clutch cover off to see what setup you have because from what I've seen most of the R1 family have a set of 6 springs as
opposed to 1 spring plus diaphragm.
I'm no BEC expert, but learnt a few valuable clutch lessons in my first few months of BEC ownership.
Most of the BEC crowd uprate the standard springs to something like a set of Barnett racing springs. They're not expensive at around £17 for the
set and seem to keep the friction plates held a little bit tighter together. This results in a tighter feel of the pedal and less probability of the
clutch slipping whilst flooring the throttle.
[Edited on 24/5/08 by The Great Fandango]
He Who Dies With The Most Toys Dies The Happiest
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adam1985
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| posted on 24/5/08 at 05:08 PM |
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no havent taken the clutch cover of was just told on here that i need a extra clutch spring think its to do with there being more weight in the bec
then bike
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adam1985
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| posted on 24/5/08 at 05:10 PM |
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ps not even got the engine mounted yet just want to do everything to it first have already put sump baffle in and got new oil and filter ready go on
just this spring but if its not needed then brill
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The Great Fandango
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| posted on 24/5/08 at 05:16 PM |
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Is this your first BEC?
If so and I were in your shoes I might whip the clutch cover off to have a wee look. It's really interesting to see how it works and you'll
get a good feel for what springs you're referring to.
 
R1 Clutch
This image above shows the six springs although I hear that some only have one spring.
You may find this Fluke Motorsport Technical
Guide of interest.
By the way, the clutch cover gasket often breaks when you take the cover off (they become brittle over time) but they're only about a fiver or so
to replace.
[Edited on 24/5/08 by The Great Fandango]
He Who Dies With The Most Toys Dies The Happiest
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adam1985
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| posted on 24/5/08 at 05:35 PM |
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yeah is my first kit car never mind bec will have to pull the cover of then to see whats beneath
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mad-butcher
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| posted on 24/5/08 at 09:16 PM |
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I think I remember reading some people recommend 2 diaphram springs in the R1 family to help with the clutch slip issue
tony
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JoaoCaldeira
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| posted on 24/5/08 at 09:33 PM |
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My 2003 R1 uses diaphragm, not springs; I fit a second one on the top of the existing one. Cheap and pratical.
Remember which bolts belong to wich hole as, IIRC, they are different sizes.
Also be ready to buy a new gasket if the original one gets destroyed.
Cheers,
Joao
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Peteff
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| posted on 24/5/08 at 10:36 PM |
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quote:
Originally posted by JoaoCaldeira
My 2003 R1 uses diaphragm, not springs; I fit a second one on the top of the existing one. Cheap and pratical.
Remember which bolts belong to wich hole as, IIRC, they are different sizes.
Also be ready to buy a new gasket if the original one gets destroyed.
Cheers,
Joao
Grease the faces on the crank case lightly before you fit the gasket and it should come of without damaging it next time.
yours, Pete
I went into the RSPCA office the other day. It was so small you could hardly swing a cat in there.
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ChrisGamlin
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| posted on 25/5/08 at 10:30 AM |
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As Chris says the later engines come with 6 conventional springs, I think the 2002 / 2003 5PW engine was the last to use the single diaphragm spring,
but you can convert those to 6 springs using a Barnett spring clutch conversion kit.
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adam1985
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| posted on 25/5/08 at 10:43 AM |
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so if mine already has the 6 clutch springs as standard does this mean they are ok or are these pdq ones uprated and needed
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mad-butcher
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| posted on 25/5/08 at 05:45 PM |
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my 4xv has 6 springs and a diaphram spring as per manual
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