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CG125 Clutch Adjustment

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veeeffarr
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Joined: 22 Jul 2004
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PostPosted: 15:35 - 03 Nov 2005    Post subject: CG125 Clutch Adjustment Reply with quote

Hi guys,

I noticed yesterday that when my bike is on the centrestand with the engine running... If I pulled the clutch in all the way so it's touching the grip, the wheel starts turning quite fast... If I increase throttle it goes faster...

If I take it off of the stand it doesn't produce enough power to pull the machine forwards, but the wheel still does spin when the clutch is engaged.

I put the bike into neutral, the back wheel moved freely, I then put it into first with the clutch held in all the way, and could hear some movement in the chain area when I span the wheel with my foot.

Is this normal, or should the wheel not move at all when the clutch is held in all the way in first?

ALSO, (Bonus question)

Anyone know of a good way to get a hand grip to stick? My left grip now comes off if I pull it (Came off in my hand when I was doing a turn yesterday, nearly crashed in a car park lol).

Thanks guys.

Toby
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Slinn84
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Joined: 20 Apr 2004
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PostPosted: 17:14 - 03 Nov 2005    Post subject: Reply with quote

this is quite normal

with the rear wheel off the ground and engine running, click it into first and let the clutch out, the wheel should spin round

if you get on the bike and out it into first, dont touch the throttle but ever so slowly let the clutch lever out, the bike should start to pull at the biting point, a lot of bikes can set off like this, if you do a das course on a 500cc bike your instructor will take you thru this procedour to help you locate the biting point of the bikeif you have the choke on on a morning you can quite easily move off and out of your street without even touching the throttle
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veeeffarr
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PostPosted: 17:18 - 03 Nov 2005    Post subject: Reply with quote

Slinn84 wrote:
this is quite normal

with the rear wheel off the ground and engine running, click it into first and let the clutch out, the wheel should spin round

if you get on the bike and out it into first, dont touch the throttle but ever so slowly let the clutch lever out, the bike should start to pull at the biting point, a lot of bikes can set off like this, if you do a das course on a 500cc bike your instructor will take you thru this procedour to help you locate the biting point of the bikeif you have the choke on on a morning you can quite easily move off and out of your street without even touching the throttle


I can travel with both feet on the pegs at tickover (No clutch, no throttle, first gear)

I'm talking about when the bike is on the centrestand with clutch fully in in first gear, the wheel still turns Smile
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Slinn84
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PostPosted: 19:30 - 03 Nov 2005    Post subject: Reply with quote

aaah i see what ya mean
i'm not sure if this should happen or not, but if your clutch is engaged and connected when the lever is fully pulled in then this is not right. it will wear the friction pads down in no time when changing gear

try tightening your clutch cable (the big round nut near the lever)

you want the biting point of the clutch to be about half way between fully pulled in to fully let out. if its too loose then the clutch wont fully dis engage when the lever is pulled in
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Xland
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Joined: 07 Sep 2005
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PostPosted: 21:28 - 03 Nov 2005    Post subject: Reply with quote

I get this on my CG125 as well. I read in another post that its due to the oil in the engine moving which causes the sprocket and chain to move, the oil acts like a weak connection across the clutch plates.
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knockout_bar
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PostPosted: 21:34 - 03 Nov 2005    Post subject: Reply with quote

Toby R wrote:
I'm talking about when the bike is on the centrestand with clutch fully in in first gear, the wheel still turns Smile


Sounds normal to me. As long as the bike isn't creeping foward when it's on two wheels with the clutch in.

Good luck buddy Thumbs Up!
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veeeffarr
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PostPosted: 22:02 - 03 Nov 2005    Post subject: Reply with quote

knockout_bar wrote:
Toby R wrote:
I'm talking about when the bike is on the centrestand with clutch fully in in first gear, the wheel still turns Smile


Sounds normal to me. As long as the bike isn't creeping foward when it's on two wheels with the clutch in.

Good luck buddy Thumbs Up!


Cool, thanks, Chain and sprockets is only 22 quid for pattern parts so I might go the whole way and replace them... And also adjust the clutch.
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knockout_bar
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PostPosted: 22:06 - 03 Nov 2005    Post subject: Reply with quote

Toby R wrote:
Cool, thanks, Chain and sprockets is only 22 quid for pattern parts so I might go the whole way and replace them... And also adjust the clutch.



'Pattern parts' is a good website, fairly cheap too Thumbs Up.

Here's the link for anyone interested https://www.patternparts.net/
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Simonbt
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Joined: 10 Mar 2005
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PostPosted: 19:45 - 04 Nov 2005    Post subject: Reply with quote

Actually its not the oil.....

Because of how clutches work when the clutch is pulled in all it does is release pressure instead of actually pulling the clutch plates away from the drive. Because they arent being pulled away there is still some friction (enough to turn wheel when its off the ground but not enough when it is touching)

You will find everthing from scooters to R1's will do this so there is nothing to worry about...
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mchaggis
World Chat Champion



Joined: 10 May 2004
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PostPosted: 20:14 - 04 Nov 2005    Post subject: Re: CG125 Clutch Adjustment Reply with quote

Toby R wrote:
Anyone know of a good way to get a hand grip to stick? My left grip now comes off if I pull it (Came off in my hand when I was doing a turn yesterday, nearly crashed in a car park lol).

Thanks guys.

Toby


Hair spray should do a pretty good job, as long as there isn't any gap between the grip and the bar.
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