[02yamrap]

i have a 2002 rapotr 660 .. its got the basic mods pipe jet k&n cdi box .. how can i get more power out of it w/o doing major mods... w/o the cdi box it dyno at 43 hp and 83 mph.. i want to get more out of it but im not shure how .. any ideas .. the cdi box is new to it so i might get a few out of it but i still want more

 

[Ironlemon]

I recomend a wiseco 11:1 piston and a stage 1 hotcam. That will bring it to life.