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Clutch Lever not returning

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zac123
L Plate Warrior



Joined: 07 Jun 2016
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PostPosted: 12:29 - 07 Jun 2016    Post subject: Clutch Lever not returning Reply with quote
Hi all,

just interested to know what first comes to mind with this problem. bought 2010 CBF to clean up and sell on.
Fitted a new clutch cable as the old one was mangled when i picked the bike up. there seems to be a bit of excessive slack in the cable unless i tighten it up to its maximum. i measured it against the old mangled one and it is exactly the same length. also when i squeeze in the clutch lever it does not return.

if i manually move the clutch arm on top of the crank case it does spring back but i'm wondering if the spring is not 100% strong enough to pull the clutch lever back into place.

what do you guys think?

or maybe is it the actual clutch itself thats playing up?

thanks
zac
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Rogerborg
nimbA



Joined: 26 Oct 2010
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PostPosted: 12:36 - 07 Jun 2016    Post subject: Re: Clutch Lever not returning Reply with quote
zac123 wrote:
if i manually move the clutch arm on top of the crank case it does spring back

It should take a strong pull, like finger-mashing, to move that arm.

If it's strongly sprung there then either your clutch cable is being pinched somewhere (easy enough to do) or your lever pivot is sticking. Given that you'd have spotted the latter when fitting the cable, I'd suggest the former.

Incidentally, I hope this was a very cheap buy.
____________________
Biking is 1/20th as dangerous as horse riding.
GONE: HN125-8, LF-250B, GPz 305, GPZ 500S, Burgman 400 // RIDING: F650GS (800 twin), Royal Enfield Bullet Electra 500 AVL, Ninja 250R because racebike
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chris-red
Have you considered a TDM?



Joined: 21 Sep 2005
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PostPosted: 12:43 - 07 Jun 2016    Post subject: Reply with quote
That arm should have a spring on it. Does it?
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Well, you know what they say. If you want to save the world, you have to push a few old ladies down the stairs.
Skudd:- Perhaps she just thinks you are a window licker and is being nice just in case she becomes another Jill Dando.
WANTED:- Fujinon (Fuji) M42 (Screw on) lenses, let me know if you have anything.
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zac123
L Plate Warrior



Joined: 07 Jun 2016
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PostPosted: 12:43 - 07 Jun 2016    Post subject: Re: Clutch Lever not returning Reply with quote
Rogerborg wrote:
zac123 wrote:
if i manually move the clutch arm on top of the crank case it does spring back

It should take a strong pull, like finger-mashing, to move that arm.

If it's strongly sprung there then either your clutch cable is being pinched somewhere (easy enough to do) or your lever pivot is sticking. Given that you'd have spotted the latter when fitting the cable, I'd suggest the former.

Incidentally, I hope this was a very cheap buy.


hmm, that actually is the answer i'm looking for.... it's certainly not finger smashing. ive checked all round for snags on the cable so i'm happy its not that. i think i'll whip the casing off tonight and have a look at the spring for the arm.

yes it was a bargain. there is plenty of room to give it a reall good going over and still make a few quid!
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zac123
L Plate Warrior



Joined: 07 Jun 2016
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PostPosted: 12:56 - 07 Jun 2016    Post subject: Reply with quote
chris-red wrote:
That arm should have a spring on it. Does it?


yes it does have a spring but internally not on the outside of the casing

zac
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chris-red
Have you considered a TDM?



Joined: 21 Sep 2005
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PostPosted: 12:59 - 07 Jun 2016    Post subject: Reply with quote
zac123 wrote:
chris-red wrote:
That arm should have a spring on it. Does it?


yes it does have a spring but internally not on the outside of the casing

zac


Is it located correctly?

Are you sure you connected the cable in the correct way? you might have had the arm unloaded when the cable was connected.
____________________
Well, you know what they say. If you want to save the world, you have to push a few old ladies down the stairs.
Skudd:- Perhaps she just thinks you are a window licker and is being nice just in case she becomes another Jill Dando.
WANTED:- Fujinon (Fuji) M42 (Screw on) lenses, let me know if you have anything.
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Rogerborg
nimbA



Joined: 26 Oct 2010
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PostPosted: 13:01 - 07 Jun 2016    Post subject: Re: Clutch Lever not returning Reply with quote
chris-red wrote:
That arm should have a spring on it. Does it?

Wut? It's acting against the clutch springs.


zac123 wrote:
there is plenty of room to give it a reall good going over and still make a few quid!

Great, sounds like a fun and rewarding project.

https://cdn.overclock.net/f/f8/50x50px-ZC-f81fad17_dis-gon-b-gud.gif
____________________
Biking is 1/20th as dangerous as horse riding.
GONE: HN125-8, LF-250B, GPz 305, GPZ 500S, Burgman 400 // RIDING: F650GS (800 twin), Royal Enfield Bullet Electra 500 AVL, Ninja 250R because racebike
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zac123
L Plate Warrior



Joined: 07 Jun 2016
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PostPosted: 13:31 - 07 Jun 2016    Post subject: Reply with quote
thanks both.

it sounds to me like i need to drain the oil and have a good look inside. i'll take some pics tonight

thanks
zac
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The Shaggy D.A.
Super Spammer



Joined: 12 Sep 2008
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PostPosted: 13:50 - 07 Jun 2016    Post subject: Reply with quote
Where are you? I'm in the market for a 125, and I'd like to avoid this one.
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Chances are quite high you are not in my Monkeysphere, and I don't care about you. Don't take it personally.
Currently : Royal Enfield 350 Meteor
Previously : CB100N > CB250RS > XJ900F > GT550 > GPZ750R/1000RX > AJS M16 > R100RT > Bullet 500 > CB500 > LS650P > Bullet Electra X & YBR125 > Bullet 350 "Superstar" & YBR125 Custom > Royal Enfield Classic 500 Despatch Limited Edition (28 of 200) & CB Two-Fifty Nighthawk > ER5
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zac123
L Plate Warrior



Joined: 07 Jun 2016
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PostPosted: 14:02 - 07 Jun 2016    Post subject: Reply with quote
The Shaggy D.A. wrote:
Where are you? I'm in the market for a 125, and I'd like to avoid this one.


who said it was a 125?

i'll let you know when i advertise it so you can steer well clear Smile
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Rogerborg
nimbA



Joined: 26 Oct 2010
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PostPosted: 14:23 - 07 Jun 2016    Post subject: Reply with quote
Oh... CBF600? OK, I temporarily retract my "dis gun". Wink
____________________
Biking is 1/20th as dangerous as horse riding.
GONE: HN125-8, LF-250B, GPz 305, GPZ 500S, Burgman 400 // RIDING: F650GS (800 twin), Royal Enfield Bullet Electra 500 AVL, Ninja 250R because racebike
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chris-red
Have you considered a TDM?



Joined: 21 Sep 2005
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PostPosted: 15:08 - 07 Jun 2016    Post subject: Re: Clutch Lever not returning Reply with quote
Rogerborg wrote:
chris-red wrote:
That arm should have a spring on it. Does it?

Wut? It's acting against the clutch springs.


zac123 wrote:
there is plenty of room to give it a reall good going over and still make a few quid!

Great, sounds like a fun and rewarding project.

https://cdn.overclock.net/f/f8/50x50px-ZC-f81fad17_dis-gon-b-gud.gif


Every lever I have seen has a spring on it the CBF has one inside the casing my S4 and TDm have them outside, it's to keep the mechanism together.
____________________
Well, you know what they say. If you want to save the world, you have to push a few old ladies down the stairs.
Skudd:- Perhaps she just thinks you are a window licker and is being nice just in case she becomes another Jill Dando.
WANTED:- Fujinon (Fuji) M42 (Screw on) lenses, let me know if you have anything.
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