11-05-2010, 04:52 PM
It is easy to get 65 with a 50, just change some minor things like the sprayer (no idea if it is the right translation, but meh), changing carburetor, etc..
Changing exhaust can improve speed too, although that is not the case with 4-strokes =P
Changing exhaust can improve speed too, although that is not the case with 4-strokes =P