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Post subject: Clutch Rattle
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Fortypence  Sunday Rider Joined: 28 Apr 2008 Total posts: 43 Location: Ireland |
I've been having some fun on the LC over the past few days, new tires and good weather= fun on the roads.
Anyway the clutch has developed a rattle whan sitting in neutral. This rattle only comes in when the enging is hot after a good run and there is no evidence of a rattle when starting up and idling cold.
Also there is no clutch drag/slip and selecting a gear is no problem, even when stopped, neutral is easy to select.
When idling hot in neutral and the rattle is there, if I pull in the clutch the rattle is gone.
I'm really hoping it's an oil viscosity problem and nothing else. I believe the current gear box oil is light possibly 10/30.
Any ideas?
Thanks in advance.
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Posted: Wed Jul 16, 2008 2:52 pm
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Billy One-handed Stoppie! Joined: 12 Oct 2007 Total posts: 2214 Location: Sweden arise! |
Dude i have no idea. It could be anything! The best is to rip it apart and inspect it.
If i would guess, i'd say a bearing maybe.
When the engine gets hot, the oil in the gearbox also gets hot so it's quite "watery" (lack of word) and will make everything sound a bit more.
Your clutch basket might be worn when i think about it. If it's alot of gap between the plates and the basket, then i guess it can start making noise. And when you pull the clutch in, it kind of stays in place rather then boggeling around in the basket. I guess.. 
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Posted: Wed Jul 16, 2008 7:22 pm
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Post subject: Clutch rattle
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johnlc Powerband Master Joined: 14 Oct 2006 Total posts: 797 Location: John O'Groats |
Are the carbs balanced 
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Posted: Wed Jul 16, 2008 7:56 pm
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FortypenceSunday Rider Joined: 28 Apr 2008 Total posts: 43 Location: Ireland |
Thanks for the replies lads. Maybe a clutch strip is the way.
Re; the carbs, I can't be certain they're balanced, what problems could unbalanced carbs cause? I'm lost on that one 
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Posted: Wed Jul 16, 2008 8:14 pm
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Post subject: Re: Clutch rattle
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BillyOne-handed Stoppie! Joined: 12 Oct 2007 Total posts: 2214 Location: Sweden arise! |
Are the passanger grab rail balanced?
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Posted: Thu Jul 17, 2008 12:20 am
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1982RD350LC Regular Racer Joined: 31 May 2008 Total posts: 354 Location: Vancouver, Canada |
Just a wild guess here (but no worse than the passenger grab rail guess  ), but could it be as simple as your clutch lever adjustment having too much slop in it causing the clutch engagement components to rattle ? Does the rattling stop when you add just a little tiny bit of preasure to your clutch lever when in neutral and the engine warmed?
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Posted: Thu Jul 17, 2008 5:38 am
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Post subject: Re: Clutch rattle
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FortypenceSunday Rider Joined: 28 Apr 2008 Total posts: 43 Location: Ireland |
| Billy wrote: |
| Are the passanger grab rail balanced? |
No that's fooked, gave a lift to a fat blonde chick with big knuckles 
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Posted: Thu Jul 17, 2008 6:50 pm
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FortypenceSunday Rider Joined: 28 Apr 2008 Total posts: 43 Location: Ireland |
| 1982RD350LC wrote: |
| Just a wild guess here (but no worse than the passenger grab rail guess ), but could it be as simple as your clutch lever adjustment having too much slop in it causing the clutch engagement components to rattle ? Does the rattling stop when you add just a little tiny bit of preasure to your clutch lever when in neutral and the engine warmed? |
That does happen, exactly as you described, a little pressure and it's gone. But would that not happen on a cold engine??
The tension on the cable seems okay.
I'll have another go at it tomorrow.
Thanks for the replies lads
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Posted: Thu Jul 17, 2008 6:54 pm
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BillyOne-handed Stoppie! Joined: 12 Oct 2007 Total posts: 2214 Location: Sweden arise! |
Dunno if you know it but don't make the push rod going tight against everything, it can melt in the end! It shall have some play so it doesn't build up friction heat.. 
I think you have to tension the push rod assembly as one part and then tensioning the cable separatly. If i remember it correct, which i might not do at all.
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Posted: Thu Jul 17, 2008 7:08 pm
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gary-rd-robbo![[RD/RZ Blood Donor]](../img/pipsvip.jpg "RD/RZ Blood Donor")
RD/RZ Blood DonorOne-handed Stoppie! Joined: 07 Oct 2007 Total posts: 2331 |
had a similar problem on my ypvs and tried alsorts to try and sort it...turned out to be the bearing behind the clutch...however its a full strip to replace...
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Posted: Fri Jul 18, 2008 8:44 pm
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jante350 RD/RZ Jedi Master Joined: 05 Aug 2003 Total posts: 5227 Location: Bergen, Norway |
I think its NLA aswell, but maybe someone has sorted that out already?
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Posted: Fri Jul 18, 2008 9:40 pm
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gary-rd-robbo
RD/RZ Blood DonorOne-handed Stoppie! Joined: 07 Oct 2007 Total posts: 2331 |
| jante350 wrote: |
| I think its NLA aswell, but maybe someone has sorted that out already? |
ypvs bearing jante is same as lc mate fits no problems and still avialable
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Posted: Fri Jul 18, 2008 9:41 pm
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