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Clutch arm problem

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The Artist
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Joined: 06 Jan 2008
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PostPosted: 15:29 - 26 Sep 2009    Post subject: Clutch arm problem Reply with quote

Bike is a motorhispania rx50. Bascially the same engine as rs50. grp 50 etc.

2003 is the year but the engine is not original and I am unsure of the year of the engine.

My problem was discovered when refitting the clutch cable. No matter how I adjusted the cable, it was too long, so I pulled the level going into the engine which disengages the clutch.

It moved quite a lot and actually came fully out. I have attatched a picture of it. Red line is casing of the engine, and the top bit is the little arm that the cable attatches to.

The top of this "arm" is splined so you can move the arm around for adjustment. I have done and it works now, albeit very stiff and as I pull the clutch lever this whole rod raises a few mm.

I want to know what is wrong basically. If anyone has an exploded parts diagram for this engine I would be very greatful.

I know there are various versions of this engine. Some little info to help identify it. Clutch "arm" is on the opposite side of the engine to the clutch so it must have some sort of pushrod going through.
Starter motor is underneath the flywheel right at the front of the engine.
The cylinder is rounded not square style like some.
No kickstart.

Thank you. Many karma cookies available. Karma
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The Artist
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PostPosted: 21:19 - 26 Sep 2009    Post subject: Reply with quote

I found a picture of one.

https://www.startright.co.uk/images/mini-IMG_8227.JPG

It looks just like that. Why does it raise itself out of the engine slightly when pulled? Is it possible the pushrod bearing has gone?

Thanks
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The Artist
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PostPosted: 09:45 - 27 Sep 2009    Post subject: Reply with quote

No one got any ideas?
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stirlinggaz
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Joined: 22 Jul 2007
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PostPosted: 12:38 - 27 Sep 2009    Post subject: Reply with quote

hi,
the clutch arm shouldnt be lifting as you pull the clutch lever.
why not take the clutch casing off & have a wee look?
as its only a spring & top hat shaped thing at the other end.
so its either the spring or the bearing.
(not much can go wrong with the "top hat")
though, it should be fairly obvious if anythings wroung, when you take the casing off.
cheers,
GAZ
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The Artist
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PostPosted: 12:55 - 27 Sep 2009    Post subject: Reply with quote

Clutch arm is on the other side of the engine to the clutch so it means splitting the case to find any problems.

Today I took the clutch cover side off, removed the clutch plates.

The clutch arm works by pushing a "rod ball rod" configuration. The final rod pushes the clutch open.

It seems to work fine now. I managed to snap one of the spring holders though so I need a new clutch basket thing anyway now.
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