Ask a tuner what engine is better --> Gen 1 or Gen 2. I think most tuners say that the gen 1 engine is more easy to tune. I have read some where that the second gen crank is weaker butt i don't know where i did read it.Any hints? What to watch for? Any modifications required? I can think of one - attaching G2 tank to frame and powering fuel pump. Guess I'll have to use G2 electronics throughout also.
I'm doing this more for cosmetic reasons since I like the look of the G1 frame - I'm thinking that the G2 motor/injection is better than G1 although frame geometry is a step back. This will be a naked racer- bikini fairing and portuguese belly pan.
You say that you do it for cosmetic reasons?? the only things you see that are different are the oil cooler and the crankcase covers.
You can use the second gen engine with the first gen carbs.