SOHC.co.uk Forums > CB350/400

Help Needed

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boilermaker1:
I took my 400f for a long drive today, bike ran great.
When I got home I turned off bike for a minute and when I went
to restart it. Battery was nearly fully dead, had to start bike with kick started.
Battery is only a few months old gel type.
Any suggestions on why battery drained? where do I start checking?

mike the bike:
Is it charging?

K2-K6:
Start it and while running it should give you a reading across the battery terminals of nearly 14 volts, that's the first step.

If that is true, then you're looking at the battery. If not, then it's likely the charging system.

If you post a voltage for us to see then further advice can target the problem more concisely.

boilermaker1:
I did put a multi meter on battery later today, It read 13 volts but bike was cold and revs low.

robvangulik:
Battery internal shorted due to overloading?
Gel batteries are meant to be loaded with a steady current of about 14,2 volts,and the SOHC's go up to 15 volts.
AGM batteries are much better suited to use in our bikes, and still maintenance free compared with normal lead acid ones.

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