rotor bolt

[riettic]

As many others before me, I'm having charging issues with my cb750 K6.  Regulator and rectifier seem fine.  Stator and field coil testing fine as well.  Checked all connections and they're fine.  Only thing left to test is the rotor but I'm having troubles getting the bolt off.  I've tried putting the bike in 5th gear, 2nd gear and all the gears in between.  While stepping on the back brake, I've had a friend attempt to remove the bolt with an impact driver.  

I've read up on how to remove the stator itself, but for the cause of keeping a detailed explanation for dummies (like me), can someone also explain the whole process including:

removing the rotor bolt
removing the rotor
testing the rotor
reassembly of the rotor

Any suggestions are appreciated.  Many thanks in advance.

Claudio

[LukeM]

I know there's another posting on this forum about how to best get that bolt off.  Try a search for "alternator bolt" or something like that.

I had the same issue, and what helped my situation was a good soaking with PB Blaster, waiting about 5 minutes, then rapping (lightly) on the bolt with a hammer to work the solution in deeper.  The bolt spun off easily after that.  Remember to take all rust and contaminants off of the shaft and the rotor mounting surface before you put it back together.

I agree that leaving it in gear, and making sure the back wheel doesn't move (foot brake, or pushing the rear wheel onto the ground) will help a great deal. I did mine while the engine was out of the frame, which made it a little tougher.

I hope this helps.
Luke M

[LukeM]

Got bored waiting for the next airplane, so here ya go.

Rotor bolt Removal

Hopefully it's the same process for your bike.  Your mileage may vary, and no warranty is expressed or implied.

Luke M

[riettic]

Thanks Luke.  I'll give it a try.

cheers,
Claudio