lately the charging system has been weak on the Tuono... there's a known issue with the rectifier/regulator & a brown connector that's used to connect it to the wiring harness... but when I removed the tail section to inspect it, it seemed alright & the battery is getting 13-14 volts at idle & 4000rpm.
Out of curiosity, before I removed the brown connector & rewired the rec/red I decided to check another connector that sits under the gas tank near the rear cylinder head that some people have reported issues with... um.. yeah, that don't look quite right.
http://www.apriliaforum.com/forums/a...1&d=1206215093 http://www.apriliaforum.com/forums/a...1&d=1206214987 http://www.apriliaforum.com/forums/a...1&d=1206217121
I think the solution lies in cutting out that connector & replacing the connector with 5 individual 30 amp connectors. A couple other guys on apriliaforum.com have done this with positive results so I'm gonna seek their advice & get this potential fire hazard outta there. I wanna be able to run my heated grips, heated vest & radar detector with the piece of mind that the bike isn't gonna shit the bed or catch fire.
This is virtually the ONLY common problem that people report with this bike. Otherwise it's as reliable as a frikkin Honda.