3. INSPECTION/ADJUSTMENT VITALITY 50 THROTTLE GRIP FREE PLAY Measure the throttle grip free play. Free Play: 26mm If the throttle grip free play does not fall within the specified range, adjust by loosening the lock nut (1) and turning the adjusting nut (2). OTHERS LIGHTS Headlight Turn on the headlight switch. Adjust the headlight beam by turning the headlight beam adjusting screw (1). 3-16