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Messages - Brian Cairns

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46
CB500/550 / Re: stator overheating
« on: September 01, 2023, 06:02:25 PM »
I'm wondering if the heat is actually caused by friction. Few reports lately where the rotor casing wasn't fitted with the 2 dowels that locate it properly, this caused the casing to sit a little skew and that caused the rotor itself to start to catch on the stator and the field coils. Any sign of rubbing on those? Also make sure the dowels are in place. If they are missing when you look, unless you know they are meant to be there you'd not know they were missing.

This is exactly what happened to mine, you MUST have both dowels fitted.

Hi , please excuse my ignorance, do i have to pull the rotor to check if dowels are in place, where are they located?


Thanks
Brian



47
CB500/550 / Re: stator overheating
« on: September 01, 2023, 09:13:06 AM »
Thanks ,

Auto spark coming today, still have old rec/reg so will get spark to look at it .


Cheers

Brian

48
CB500/550 / Re: stator overheating
« on: August 30, 2023, 05:22:42 PM »
Cheers,

I'll have a look.

Thanks

Brian

49
CB500/550 / Re: stator overheating
« on: August 30, 2023, 03:04:21 PM »
Thanks....this advice is fantastic. I will check all comments out.


Brian

50
CB500/550 / Re: stator overheating
« on: August 30, 2023, 02:32:16 PM »
Hi, Its a new battery but doesn't mean its snookered, will check it out.

Cheers

Brian

51
CB500/550 / Re: stator overheating
« on: August 30, 2023, 01:38:27 PM »
Ok thanks all and will check and get back to group.
Got a motorcycle spark for this Friday.
Cheers

Brian

52
CB500/550 / stator overheating
« on: August 30, 2023, 09:46:57 AM »
1978 Cb550 four K3 ( American import)

Hi,
I am a newbie to the forum.

Recently bought the bike above, soon after the stator burnt out, got stator rewound, and it burnt out again.
I managed to find another unused original stator and replaced the regulator and rectifier with a 2 into one reg/rec (bought from David Silver parts). I did not do the work on this bike, an experienced mechanic did.
Also fitted with electronic ignition.

The stator side casing is now running extremely hot, so hot that you cannot touch it for more than a second.
I don't want to ride bike in case I do damage....is the heated casing normal?

Thanks

Brian

53
New Member Introductions / Re: Hi Brian from Belfast
« on: August 30, 2023, 08:24:51 AM »
Thanks all!

Brian

54
New Member Introductions / Hi Brian from Belfast
« on: August 29, 2023, 03:53:59 PM »
I recently bought a 1978 CB550 four K3 ( American import) .

I have a few problems with it so will be posting soon!

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