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Mar 20, 2013 | 06:51 AM

#21

Notgrownup

Seasoned HDF Member

Joined: Mar 2009

Posts: 24,712

Likes: 9,219

From: Snow Hill, NC

Quote:

Originally Posted by vbx07

I'm referring to the crank shaft on the motor scissoring if you accidentally down shift at to high of an rpm, or excessive hard launching. Yeah, it happens on a stock motor too! Don't have to be hot rodded up. Scissoring = crank shaft half's shift making the crank out of balance. Plenty of threads on this issue, that's how I learned about it. Do a search on crank end play. Moco changed the spec, as they also realized the problem, and were tired of replacing stock motors under warranty.

Yeah i know about it but what i am wondering is how many bikes have actually experienced it...Don't get me wrong, I know it CAN and DOES happen, but is it likely??? No. The crank run out going up to .012 instead of .003 i think was just a easy way for MOCO to save shitloads of cash...Look at 50000 ish miles i did my cams and my cam plate bearing was scored and only after i learned of this run out deal so i should've checked it then...I now am at 75000 and still running like a champ...

Mar 20, 2013 | 07:57 AM

#22

vbx07

Tourer

Joined: Nov 2007

Posts: 442

Likes: 4

Quote:

Originally Posted by Notgrownup

I hope you get another 75000 out of it. Me, I had to replace crank, starter, compensator, fairing brackets, radio, inner primary bearing. I now have a reliable bike.

Mar 20, 2013 | 10:27 AM

#23

Notgrownup

Seasoned HDF Member

Joined: Mar 2009

Posts: 24,712

Likes: 9,219

From: Snow Hill, NC

Quote:

Originally Posted by vbx07

I hope you get another 75000 out of it. Me, I had to replace crank, starter, compensator, fairing brackets, radio, inner primary bearing. I now have a reliable bike.

Me too man..i have had the Comp, Starter, IBP changed under warranty and getting ready to get the SE Comp under my ESP...I am going to open it up soon to look at the crank run out... I am gonna see if it can be checked on the Primary side but i don't how it can...

I was gonna wait until 100000 to open it again but i want to be sure...Since i can do it myself the labor is free...new gasket, check the o-rings and voila...Sorry your crank took a crap on you...