Yamaha 80hp

I have a yamaha 80hp 2000 model and I think to turn to 100hp. Where are the diafores.Karmpyrater, jet ful or allou.Xerei someone help me

[robert graham]

it won't work...don't even think about it! Go buy yourself a 100HP...

I've a 80 too. And it really is similar to the 100. And I really would like to have some more power...

What is really different in those two? Air admission seems equal... is it the exhaust? Or the jets?