I have 500 sporstman h.o 2002( fmf slipmon, k&n and dyno jet kit)
I, am planning to get more power,which is the easier way?
Aaen is out of the question cause I live in Europe (taxes...) Porting is possible here, but I need info: what valve springs, carburetor etc..
I hope toget some addvice. Sorry my English.

Take a look our site: http://users.kymp.net/monkkarit/
Behind "kuvia" there is pictures.

 

Engine mods can get quite expensive, Before you do that, you need to get the power to the ground better. Look into a clutch kit like the Heelclicker clutch kit.

And welcome to the forums