MY 97 POLARIS TRILBLAZER 250CC.....2 STROKE....BORED OUT, CARD WORKED-OIL PUMP DICONECTED....I MIX MY OWN GAS-OIL..IF THE BUILT IN PUMP STOPS WORKING FOR A FEW SECONDS THE TOP ENDS WIPE OUT! THIS BIKE IS AUTOMATIC BUT I SNAP THE THROTTLE AND IT LIFTS FRONT WHEELS