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Ever seen 1 break like this?

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Old 05-06-2010 | 07:36 AM
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Default Ever seen 1 break like this?

Has anyone seen one break like this before? If so what was the cause? XR/ITS Thanks for any info.
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Old 05-06-2010 | 09:47 AM
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One tooth snaps off, then it walks over the next two and pushes the opinion out the front.

Another case of XR upper gears snapping teeth off!!

Last edited by Mr Gadgets; 05-06-2010 at 09:52 AM.
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Old 05-06-2010 | 12:27 PM
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I've got one just like that

It's in my growing collection of junk XR parts.


It made a hell of a racket when it happened
.....didn't smell too good either.
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Old 05-06-2010 | 12:43 PM
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I have two cases with the front threads broken out.
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Old 05-06-2010 | 01:02 PM
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Originally Posted by JaayTeee
It made a hell of a racket when it happened
.....didn't smell too good either.
His didn't smell too good either when I followed him back.
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Old 05-06-2010 | 03:20 PM
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Originally Posted by Busta
His didn't smell too good either when I followed him back.
That was me farting......
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Old 05-06-2010 | 03:21 PM
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It only had 47 hours on it...came apart while cruising at 3800 RPM's
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Old 05-06-2010 | 03:22 PM
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Originally Posted by Mr Gadgets
One tooth snaps off, then it walks over the next two and pushes the opinion out the front.

Another case of XR upper gears snapping teeth off!!
Dick..is there a different pinion gear that I should use?
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Old 05-06-2010 | 03:40 PM
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Originally Posted by boatman22
It only had 47 hours on it...came apart while cruising at 3800 RPM's
A majority of the drive failures that I've seen are in the 4k rpm range (3500-4500)...
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Old 05-06-2010 | 03:49 PM
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Originally Posted by boatman22
If so what was the cause? XR/ITS Thanks for any info.
40' of Baja boat with twin 575's will cause that.
Also, they never break WFO, always somewhere around 3000+ RPM.
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