Join Date: Aug 2012
Location: Sydney, Australia
So your voltages when running are looking good @14.3V yet you say the battery seems discharged when you hook it up to a charger in your garage after a ride. This doesnít add up to me.
What happens if you just let the bike cool down after it fails to restart when hot (donít recharge battery after ride)? Does it still crank slowly (bad battery or current leak) or does it start? Do you hear any whining/whistling from the stator when engine is cold or hot?
Have you checked the battery voltage after a ride?
To rule out shorting in the wiring, It might be worth doing a leak down current check too. Disconnect negative terminal from the battery, turn ignition off, connect multimeter between the removed lead and the battery and put the meter in DC amp mode. With ignition off, should be 3mA drain or less. Measure the current with ignition on too with kill switch in run position, but do not try and start the bike or youíll probably destroy your multimeter. With the ignition on, you should see a higher reading that drops once the fuel pump has primed etc. post up what you find.
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