Some people think a 12 tooth gives more low end power but i've found
that it shortens up the time you spend in each gear. 1st gear on a kdx
is pretty low to begin with any lower and its almost useless. If you really want
one send me an e-mail
ROBBYRAZ@HOTMAIL.COM and i'll send you mine i'll
probably never use it again. If you decide on a 200 and you want more low end
get an fmf torque pipe. It will give you a good boost throughout but not so
much on top. I just replaced my torque w/ a rev. I gained much more mid/top.
and after i put on a rad valve and rb carb mod i now have more power across
the board. :) However , The first things you should do is get your suspension
setup for your weight that by far will be the best mod your money can buy.
dont forget to grease and locktite the areas recomended by canadian Dave
on the just kdx website. New handlebars and a one piece top clamp are also
good ideas as the first time you crash you can almost be assured you will bend them.