SOHC.co.uk Forums > CB350/400

Electrical charging question.

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ComfySofa:
Was in the garage earlier balancing (or at least trying to) balance my carbs....which is a whole other story (one day ill get "the knack") but so far it eludes me...

Anyway, last week, when i started balancing them (or trying not as well) - i ran out of battery....which did surprise me. Just as a bit of background my 400 has got a completely replaced wiring loom. Its got a Lithium battery and an aftermarket reg specifically for a lithium driven system.

Put it back on the optimate last week and fast forward today. Balancing didnt take as long (its as good as i can get it). So, as a last check i put a meter on the battery as the engine was running which was showing about 12.4-5 volts....if i hold the throttle open slightly it goes up to 12.6v.

Ive got a few reasonably modern bikes (one of which is a z1000 gen4) - i seem to remember that charging about 13 to 13.3 or so. Should the 400 charge at that rate or is 12.6 ish about the right voltage...wondering if its because its a smaller bike, older generator etc etc....

Thanks to anyone that takes a punt at it.

Andy

taysidedragon:
Your charge voltage seems low. It should be up around 13.5 -14 v with engine running.

ComfySofa:
Righty...ok..so having the meter on the battery is the correct place to take a reading?

Edit: well - sounds like a new problem....figures as its been about a year to sort out the carbs..!

Bryanj:
Depends on the regulator, i am old school and dont like lithium batteries or the complicated regulator they need, what is the battery voltage with lights on and running at 3500 rpm?

ComfySofa:
Ill have to get back to you..! (back in the house now for the night) probably wont be able to get back to it til friday night....stand by!!

Many thanks for the reply back.!

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