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CM 250 T - problems starting

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1981 CM 250 T

Joined:
2009-05-28 21:41:26

Posts: 2

Posted:Thursday 28 May, 2009 9:55 PM

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Subject: CM 250 T - problems starting

I bought this bike a few weeks ago and everything has been running fine until today it failed to start.

I turned the key, the neutral light popped on, pushed the start button and the lights went out without turning over.
Just as I was putting the bike down to have a look for the (non existent) kick start the lights popped on again so tried the electric start and still nothing.

A gentle push and I managed to jump start and all ran fine. Once running the indicator lights worked fine and the electrics seemed ok.
When I turned off the engine and switched the key back on the neutral light stayed off.

My guess is that this is due to a problem with either the battery/charger/starter but am not really sure which one to start with on my checks.

The battery cover on this bike has been missing since before I bought it which does leave it a little open to the recent rain, but visually the connections seem fine.

If anyone has any suggestions it would be greatly appreciated.

Cheers,
Mark

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1981 CM 250 T

Joined:
2009-05-28 21:41:26

Posts: 2

Posted:Thursday 28 May, 2009 10:39 PM

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Subject: Re: CM 250 T - problems starting

Just had another look (and listen to things) and I'm noticing a slight bubbling kind of sound coming from the battery.

Also with all lights off I get the neutral light popping up every minute or so after an attempted start. When I press the start button I hear a clicking from the small cylindrical object to the right of the battery which I believe is the starter relay.

So my deduction indicates that this is either the battery having insufficient charge or the starter relay having a problem.
Am I on the right lines? And if so which should I try replacing first?

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