The forward shaft is the crank. On the crank is the variator with rollers
inside. You must make sure that the rollers are positioned so they roll from the
center out. Most likely these rollers were dislodged when the old belt broke and
were not put back in place.

http://www.buggydepot.com/buggy-tech-center/150cc/Yerf-Dog-Blade-GY6-Buggies-Par\
ts/15/

--- In yerfdoggx150@yahoogroups.com, "ss454_1972" <ss454_1972@...> wrote:
>
>
> it wont hardley idle there is way to much tension on the belt if I pick up the
back end it starts spining the tires what is wrong??
>
>
>
>
> --- In yerfdoggx150@yahoogroups.com, "TravisC" <travis@> wrote:
> >
> > 743-20-30 is the correct belt. The CVT drive is designed to ride the belt
tight without any slip, however a turned roller may cause problems. Let us know
if you experience any problems getting the kart going from a stop.
> >
> > Travis
> >
> >
> > --- In yerfdoggx150@yahoogroups.com, "ss454_1972" <ss454_1972@> wrote:
> > >
> > > Hi we have a yerf dog cart just like the one on the home page I got a new
belt 743x20x30 is this the right one it seems very tight does anybody know what
belt sixe it should be
> > >
> >
>