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BIKELAND > FORUMS > ZX12R ZONE.com > Thread: Undercutting ZX12 Tranny!!! NEW TOPIC NEW POLL POST REPLY
ra12r


Zone Head
Posts: 919
posted July 10, 2002 09:00 PM        
Undercutting ZX12 Tranny!!!

Is undercutting neccessary on the 2000 zx12 transmission?! What exactly is undercutting a transmission?!
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swft


Needs a life
Full throttle!
Posts: One MEEEEEELLION
posted July 11, 2002 09:46 PM        
No, it is not necessary. The gears are undercut from the factory. And undercut gear is not a straight cut gear. It had been undercut to help ease gear engagement, as I recall.
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82 Gpz750, 84 Ninja 900, 2000 ZX12R (Muzzy Big Bore Kit), *another* 2000 ZX12R (Muzzy custom stroke crank 1341cc motor), 2004 ZZR1200, 2005 ZX10R, 2007 ZX14, 2008 Concours 14, 2014 Versys 650, 2014 Yamaha WR450F, 2015 Ninja H2


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psycho1122


Pro
Posts: 1608
posted July 12, 2002 07:31 AM        Edited By: psycho1122 on 12 Jul 2002 08:32
Undercuting the dogs on the gears helps keep the gears engauged under hard excelleration. The angle of the cut keeps the gears from wanting to slip away from each other under load.
This is deffinately nessesary w/ big powerfull engines like the 12's!!
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TurboBlew


Moderator
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Posts: 4590
posted July 12, 2002 12:33 PM        
Factory undercut gears, yet another *plus* about the ZX12. Tell that to the Busa boys and they will be envious.
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BIKELAND > FORUMS > ZX12R ZONE.com > Thread: Undercutting ZX12 Tranny!!! NEW TOPIC NEW POLL POST REPLY

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