SOHC.co.uk Forums > CB350/400

Bike over heating after 40 mile ride

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K2-K6:
From this "Just to clarity when the bike died it would not even turn over until it had cooled down" do I understand correctly that it had partially seized, which stopped you turning the engine over ken4004  ?

Ken4004:
It was like the starter motor didn’t even attempt to turn the engine over, in hindsight I should have tried the kick start.

There may be a possibility that there may not be a sufficient enough gap on the piston rings causing excessive friction as the engine heats up but I would have thought if that was the case the engine would have completely seized by now it had done 280 miles since the rebuild.

I would have thought I would have heard the starter solenoid clicking but as I said pressing the starter button absolutely nothing which is a bit strange.

Ken4004:
Setting the valve clearances today the engine turns easily as before, with an engine seizure you would think the engine would be difficult to turn over by hand at the nut on the points !

Bryanj:
I think you have an electromechanical gremlin that stoped the engine and starter didnt work

exvalvesetdabbler:

--- Quote from: Bryanj on May 02, 2026, 11:19:51 PM ---I think you have an electromechanical gremlin that stoped the engine and starter didnt work

--- End quote ---


Still in gear and clutch lever not pulled all the way in. We have probably all done it much to the annoyance of cars behind us.

Dave

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