I'm with DrFarkoff on this one. You don't know if you haven't got a charging problem unless you monitor the voltage over the entire range.
You said you checked charging at idle. But you didn't say you had checked at 5000 rpm and above. Normally if the charging circuit is dropping out at high rpm you would expect to see other symptoms other than charging light. Headlights dimming etc, but you have HID lights fitted which draw less power than conventional lights and I don't think they dim. I'm assuming your not above 5000 rpm for long period, in which case if your battery is good it will be taking over providing the power to drive all your electrics and ignition, which could be why you said the bike runs OK. The battery charge will be replenished once you drop below 5000 rpm when the charging resumes.
If this was my bike I would connect the voltmeter up to either the battery terminals or jump start terminals and take it for a ride, checking to see what the voltmeter was showing above 5000 rpm. If as I suspect you do see a voltage drop then you most probably have a charging problem.
When you do lift the tank, to check electrical connections, it might be worthwhile removing the voltage regulator pack from the alternator and have a look at the brushes.
You said you checked charging at idle. But you didn't say you had checked at 5000 rpm and above. Normally if the charging circuit is dropping out at high rpm you would expect to see other symptoms other than charging light. Headlights dimming etc, but you have HID lights fitted which draw less power than conventional lights and I don't think they dim. I'm assuming your not above 5000 rpm for long period, in which case if your battery is good it will be taking over providing the power to drive all your electrics and ignition, which could be why you said the bike runs OK. The battery charge will be replenished once you drop below 5000 rpm when the charging resumes.
If this was my bike I would connect the voltmeter up to either the battery terminals or jump start terminals and take it for a ride, checking to see what the voltmeter was showing above 5000 rpm. If as I suspect you do see a voltage drop then you most probably have a charging problem.
When you do lift the tank, to check electrical connections, it might be worthwhile removing the voltage regulator pack from the alternator and have a look at the brushes.
