Join Date: May 2004
Location: Hazel Green, AL, USA
Re: Do I need to replace my crankshaft?
I would clean up the shaft as best you can with some emery cloth. Pack something behind it to keep grit out of the engine. Once it is smoothed up coat with some anti size and install the new alternator rotor (actually a stator). It is not a rotating interface (well yours did when it went bad) so once you have secured the new rotor to the shaft it will not care what the surface is like. The only caveat is if it got out of round - then you may have a problem. It is a big job to replace the crank.
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT
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