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First time riding this season I went out for a 2 hour ride. Stopped a few times and it didn't have any starting problems. Finally I went back home to pick up my gf. Had the RC parked for about 10 minutes, when I went to crank it, it was a really weak and would only turn 2-3 times until it starts clicking(solenoid??). Ended up parking it and hooking the battery up to a battery tender.
I charged it over night and in the morning when I took it off the charger it read around 13.6V. It would drop to 13.07V in about 15 min. When I got home from work at 10PM, the voltage has dropped to 12.98V(I'm assuming this should be a good voltage after the battery has rested.) So I did some measuring this morning. Started with a rested battery at 12.98V. When the key is on with low-beam on the voltage reads 12.2V. When cranking the battery will drop to around 10V and immediately go up to 14.5V while warming up. Once warmed up, the battery measures 14.6V at 3000rpm and under 15V at 5000rpm. This should indicate that the charging system is okay right?
What do you guys think is the issue and what should I check next?
Thanks