SOHC.co.uk Forums > CB350/400

Hettie wont start on the button !!

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Nurse Julie:
OK, I will try the headlamp. Also forgot to mention that with the original battery connected there wasn't even enough power to make the indicators flash. And no, Graham does not do electrics or at least the diagnostics in any shape or form. Unless it's cutting valves seats or honing bores or measuring bits in SOHC engines, forget it !!!

Bryanj:
As a very quick down and dirty test using jump leads from a car battery(car NOT running) put the leads on the battery then the neg free end to a good bit of frame and touch the pos free end to the lead of the solenoid that goes to starter---if engine turns starter is OK so fault lies with solenoid or wiring to same, report back and i will give you more tests

Nurse Julie:
Ok Bryan. I will report back tomorrow. I can't do anything until I find the jump leads, still in a packing box somewhere I expect !!

Nurse Julie:
Hi Chaps.
Carried out the diagnostics as suggested by you all and it's all pointing to a knackered battery. With my extremely limited knowledge of Automotive electrics, I still can't get the gist of why a battery showing between 13.7 and 15 volts on the meter will not start the bike but she's as dead as a Dodo. All the terminals from battery through to starter motor got a good clean as well today, so something positive achieved from it.
Ta for advice xx

hairygit:
Because you will see a battery is made up of 6 interconnected cells, and by the sound of it 2 have sulphated and died. They will give a good no load reading, but as soon as a load is applied they give up.

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