V-Star 1100 Wiki Knowledge Base - Lighting Headlights . Adjusting your headlights. Screws: If you look at the headlight straight on, You will see screws at the 4 o'clock and 8 o'clock positions. These are the ones to adjust. Instructions with diagrams & measurement distances: HeadlightAdjustment. Headlight Replacement Bulbs (updated 12/12/07). H4 is Motorcycle Specific - or - 9003 Automotive, the same thing!