Gen 2 trans in to gen 1 cases

Johnny turbo laid the two side by side last week and told me that the shaft is longer on the 08 than the 1st gen. The shaft has a much better design, but he said that the parts chasing to align it all on a street bike may not be worth the swap. But, the gears will swap over and they are undercut from the factory.
 
Johnny turbo laid the two side by side last week and told me that the shaft is longer on the 08 than the 1st gen. The shaft has a much better design, but he said that the parts chasing to align it all on a street bike may not be worth the swap. But, the gears will swap over and they are undercut from the factory.

Is this 100% certain? All gears are undercut from the factory? I knew the output shaft was completely different, but gear undercutting - that the first I heard of this. I have about 1500 passes on mine, and I haven't taken it out because it hasn't been a problem
 
Is this 100% certain? All gears are undercut from the factory? I knew the output shaft was completely different, but gear undercutting - that the first I heard of this. I have about 1500 passes on mine, and I haven't taken it out because it hasn't been a problem

If it isn't broke then dont fix it Tom!

Leave it alone! LOL
 
so my question is if the gen 2 gears are cut. couldn't i just buy a second gear for an 08 and not have the down time to wait for mine to be cut on an 03?
 
Well, my 2000 lost 2nd gear and i started researching it. Like everyone else, no one could help me. I finally found a contact that assured me it would work. So in turn i went ahead and purchase a great deal on ebay for an 08 trans. It fits perfectly, and the whole trans is a direct bolt in. No problem! So yes, it fits and works great.
 
And also, the gen 2 trans is a 5 dog gears. gen 1 trans is 4 dog gears. It's either all or nothing with the trans swap.
 
Ogre, sorry but i'm not about to take it apart again for a picture for ya. I've done it and it works like a champ. Done and running!

$treetracer,
So you know it works for sure then. I did mine and just finish my buddies bike yesterday with the same. I still can't believe how many parts swap over from the gen 2 motors, amazing!
 
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