Yamaha WARRIOR YFM350X Owner's Manual page 144

6. Shift into second gear. (be careful not to
shift into neutral.)
7. Open the throttle part way and gradually
release the clutch lever.
8. Follow the same procedure when shifting
to the next higher gear.
WARNING
Opening the throttle abruptly or releasing the
clutch lever too quickly would increase the
chance of an accident or could make the ma-
chine wheelie including overturn. Always
open the throttle gradually and release the
clutch lever gradually.
6-19