'91 cbr600 starter clutch

[awj72]

Thread title says it all really, my baby's poorly , had it looked at, & apparently the stsrter clutch is the problem. Going to try and keep off it because bump starting it can't be good for it, plus it's bloody heavy!!

Any help greatly appreciated.

thanks guys
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[Ant]

Starter clutch? or the starter relay?
i had the relay go in mine (92) and wouldn't really look at second hand unless your short of cash because all the others may be on there way out too!
Mine was about £90 too
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04 ZX10R ~

[awj72]

I'll fully admit to not being the most mechanical headed fellow just yet, but it was definitely the starter clutch I was told to look for. If you don't recommend 2nd hand mate, have you a link to anywhere I can get a new one from? Cheers again for your help.
____________________
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[Ant]

No, because i'm (also not been to technical) not too sure on what a starter clutch is!


Anyone?
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04 ZX10R ~

[awj72]

bollocks!!!!!

HHHEEEELLLLPPPPPPPPPP!!!!!
____________________
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[awj72]

come on guys, pretty please, getting witdrawal symptoms here, cant find one anywhere
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[Laura]

I have never heard of a starter clutch you sure you got the name right.
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[awj72]

thats what i thought, but it's deffo what i was told to look out for, got everyone i know on lookout, might have to bite the bullet and go "new" part if can source one

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[Laura]

But if you have the neme wrong then you will not find one I have the model before your's and never heard of a stater clutch I am afraid.
____________________
Good girls ride motorcycles bad girls thrash them.

[G]

A starter clutch is the bit that engages the starter motor to the main engine. At a guess it's a centrifugal clutch; so if the starter motor doesn't have enough power to turn it or the engine is already spinning then it won't do 'owt bad.

[Ste]

Have had a poke around Google and have found an link to an old eBay auction for a starter clutch for a CBR600 so they are real parts, might be best to talk to a Honda dealer to find out firstly how much they cost new and if they are normally called starter clutch just tell him that you've been told you need one and havn't ever heard of them before. Think it might be the bit that engine connects to the starter motor to start the bike.

[awj72]

Cheers for all the help & advice guys, will keep you posted, missing the bike already, only been a week!!
____________________
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[G]

Don't see that bump starting it should be too much of a problem.

Apparantly it can fry the electrics on a few newer bikes, but I can't see that happening. Most of the bike's I've had I have bump started at some point, never had a problem with it.

In the end you're basically doing the same thing as the starter. Should be pretty easy on the CBR, 600cc 4's usually only need 10 meters push or so.

[Sparks!]

[Ste]

Centrifugal clutches are automatic clutches, as the clutch rotates faster the clutch pads spin out further (they are held inwards by springs) and grip the clutch drum and provide the power like a normal clutch then. Have a read of this guide to centrifugal clutches if you want to know more, it is about minimoto ones but centrifugal clutches are the still the same on any bike which has one.

[G]

A centrifugal clutch just for the startor.

Minimotos use them, as do scooters. As the revs rise the clutch plates move out against springs. The faster it goes the higher the centrifugal force, so the more they 'grip' as such.

As you can't control what revs they engage manually I've never heard of a big bike using them... I suppose you could have a way to manually engage it, but I suspect it would be pretty heavy if it was cable operated; you would have to fight against varying centrifugal force.

[Sparks!]

Yeah I know how they work, that's why I was confused about a CBR600 using one, but now you've cleared it up, it's the starter clutch

MX/supermoto's commonly use these, my mate races an XR650 which has a centrifugal clutch, not sure how it works really with engaging it etc, he just gets on and rides off, no clutch!

Seen quite a few KTM's running these too.
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[G]

[Sparks!]

[G]

That sounds like a normal centrifugal clutch to me .

[Sparks!]

[awj72]

https://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1&item=2490974622&category=35595 pretty pleasse, will this fit a '91???????????????
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Woe to you, o earth & sea, for the devil sends the beast with wrath............
(my ebay clearout...... https://search.ebay.co.uk/_W0QQsassZawj72QQhtZ-1 )

[G]

Seeing that the advert specifies several other years, by year, I doubt it.

[awj72]