newbie black max 150 questions

blown

Recruit
Joined
Jul 9, 2011
Messages
1
Good day, great site, I have a 150 black max that was just rebuilt and it is eating stators and I am pulling my hair out. Can someone tell me why this is doing this and how to fix it? I put a dial indicator on the crank snout and while turning got about .004" runout, but then I could rock the crank back and forth with the ratchet about .011".
stator1.jpg
statorflywheel.jpg

stator2.jpg
 

SparkieBoat

Captain
Joined
Aug 17, 2009
Messages
3,643
Re: newbie black max 150 questions

sounds like you may have a bad crank bearing, just my guess
 

j_martin

Admiral
Joined
Sep 22, 2006
Messages
7,474
Re: newbie black max 150 questions

Flywheel and stator mismatch, ie 40 amp flywheel and 16 amp stator?
 

CharlieB

Vice Admiral
Joined
Apr 10, 2007
Messages
5,617
Re: newbie black max 150 questions

The upper bearing should not have near that much movement.

I bet it is waaaaaay more than .015 when running.
 
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