3. INSPECTION/ADJUSTMENT ATV 150/125 HEADLIGHT AIM MX'er 150/125: Turn the ignition switch ON and start the engine. Turn on the headlight switch. Adjust the headlight aim by turning the headlight aim adjusting screw. Adjusting Screw Adjust Screws MXU 150: Turn the ignition switch ON and start the engine. Turn on the headlight switch. Adjust the headlight aim by turning the headlight aim adjusting screws. 3-11