SOHC.co.uk Forums > CB750

750k1 not starting?

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Arch stanton:
Good morning.
Thank you all for your thoughts.
James.
I suspected water in the switch too. As when I flicked the lights on. Nothing happened till I tried the switch a few times.
Then they lit up. The switch is a DS pattern part. Not the best I know.
However K2-K6 seems to kill that theory.

Lobo.
The battery is only 10 months old and in good order. However. I have had it on charge over night. So I'll see if it does any better today.

Bryan.
The timing & points should be fine. They were set only 500 mile ago. Also. The bike started & ran the best in has ever run. A week ago.
As fir HT leads. It was dark by the time I gave up messing.
I looked under the tank. Didnt see any sparking.
I know what you say about the leads. When my F1 was my only transport. I cut off the rubber outer sleeve. As the spark would rather travel down between the HT & the sleeve. Especially in winter with salt.
I will tinker again today and will let you all know how I get on.
In the meantime. Please keep your thoughts coming.
Sean.

Seamus:
First thoughts are that if you have no spark normally, but do when you arc the points, then it suggests the points or wireing to them.
Worth just pushing a bit of fine wet and dry accross the points to ensure they are clean.
Have you checked this effect on both sets of points?

Arch stanton:
Hello Seamus.
Thanks for your thoughts.
This morning. I pressed the button and it reluctantly started.
Obviously water had got somewhere it shouldn't. I had forgotten just how susceptible to water the 750 are. Dare not go anywhere without WD40.
Thanks again.
Sean.

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