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SV650.org - SV650 & Gladius 650 Forum (http://forums.sv650.org/index.php)
-   SV Talk, Tuning & Tweaking (http://forums.sv650.org/forumdisplay.php?f=111)
-   -   Clutch 'Selection' Problems. (http://forums.sv650.org/showthread.php?t=108348)

Grinch 15-04-08 11:13 AM
Clutch 'Selection' Problems.
 
In the continuing saga that is my SV we have the next instalment.
I've had a bit of a look about and found a few things that I have read on the subject but nothing that really nails my needs about it down. So heres my thoughts and I would love to hear some people opinion on them.

Now, my clutch sometimes has trouble selecting, in that I have to fight with the select to get a gear or neutral. Now I'm using some oil from Hein Gerike which I seem to be noticing more clutch slip, but could it also be that this is causing my selection problems. I thought it was my rather stretched clutch cable and worn worm drive, but while replacing these have made a different in a lighter clutch the problem is still there. So I was thinking that I have just under a 1000 miles till my next oil change so I might just swap this out asap, or while I still have the problem I have a spare clutch basket that I could drop in (its about 30K old while this one is a 60k'er). Though this is not something I have done before so I'm not sure the tools that I will need, so will need to look this up unless someone knows off hand...

Thanks.

Sid Squid 15-04-08 11:42 AM
Re: Clutch 'Selection' Problems.
 
If the clutch is lifting but still dragging it points to the clutch basket being worn. You can just see by looking in the oil filler sometimes.

It isn't the only possible fault, but considering your mileage it's quite likely.

Grinch 15-04-08 11:47 AM
Re: Clutch 'Selection' Problems.
 
Would you be surprised if I said, huh?

jambo 15-04-08 12:39 PM
Re: Clutch 'Selection' Problems.
 
What Sid Squid is saying is that the clutch plates have tabs on the outer edge of the friction plates. These lock into the tabs in the clutch basket. The surface of these tabs on the clutch basket should be smooth meaning the clutch plates can slide along the basket tabs as you pull the lever in and out. This lets the plates separate and thus stop driving the rear wheel.

However, these tabs on the clutch basket get worn by the movement of the clutch friction plates putting notches in them, it is then possible for them to stick in these grooves not fully engaging / disengaging.

Open the oil filler cap and you should be able to see the clutch basket and see if it's notched badly, otherwise, taking the clutch cover off, and the clutch plates out will give you a very good view.


Jambo

jambo 15-04-08 12:44 PM
Re: Clutch 'Selection' Problems.
 
A Picture speaks a thousand words:
http://fiche.ronayers.com/Index.cfm/...7/Group/CLUTCH

Part 1 is the clutch basket, which part 7 (the clutch friction plates) lock into. This is the part that wears. Part 3 is the hub which the steel plates (part 8 ) lock onto.

Jambo

oldie 15-04-08 01:14 PM
Re: Clutch 'Selection' Problems.
 
Not sure about the SV650 specifically, but most bikes I've worked on, you could usually improve a worn clutch basket by filing the wear notches out of the grooves, and also any burrs on the tangs..

jambo 15-04-08 01:22 PM
Re: Clutch 'Selection' Problems.
 
Quote:
Originally Posted by oldie (Post 1478459)
Not sure about the SV650 specifically, but most bikes I've worked on, you could usually improve a worn clutch basket by filing the wear notches out of the grooves, and also any burrs on the tangs..
You can certainly do this, but if there's a good nick one going spare, and this does turn out to be the problem (not checked yet), then I'd be inclined just to swap it out. Filing it will probably allow it to work properly, but as I've been told several times, wear breeds wear, and you'll only be back in there again at some point....

Jambo

Grinch 15-04-08 02:10 PM
Re: Clutch 'Selection' Problems.
 
Cool, this is now all clear, cheers. I'll be having a peek later then.

yorkie_chris 15-04-08 02:42 PM
Re: Clutch 'Selection' Problems.
 
Quote:
Originally Posted by jambo (Post 1478481)
and you'll only be back in there again at some point....

Jambo
But it saves you paying out for a while, and it's dead easy to get to the clutch.

jambo 15-04-08 02:45 PM
Re: Clutch 'Selection' Problems.
 
Quote:
Originally Posted by yorkie_chris (Post 1478613)
But it saves you paying out for a while, and it's dead easy to get to the clutch.
Very true, but he's pointed out he has a spare one....


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