Yamaha RST90 RS Venture high beam and low beam headlight bulbs both utilize a 9003 bulb size. The replacement chart covers vehicle production spanning 2005 to 2018.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The Yamaha RST90 RS Venture uses the 9003 bulb size for both high beam and low beam headlights across the 2005-2018 model years.
The 9003 is an ANSI-standard designation recognized in the United States and Canada, making it a regionally standardized specification rather than a proprietary or manufacturer-specific size.
The 9003 is a dual-filament halogen bulb, meaning a single bulb unit contains two separate filaments that serve both the high beam and low beam functions independently.
The 9003 bulb operates on a 12-volt electrical system and carries a wattage rating of 60W for the high beam filament and 55W for the low beam filament.
The 9003 uses a P43t base, which is a bayonet-style mount with a 43mm flange. This base type determines physical fitment into the headlight housing and is not interchangeable with other base configurations.
Because the 9003 is a dual-filament bulb serving both beam functions, the RST90 RS Venture headlight assembly relies on a single bulb position per housing rather than separate bulbs for each beam mode.
The 9003 bulb is functionally equivalent to the H4 bulb used in international markets. The two share the same dual-filament design and P43t base, though the 9003 designation is specific to the ANSI classification system used in North America.
The consistent 9003 specification across both beam positions and all 14 model years indicates that replacement bulbs sourced for any year within the 2005-2018 range are interchangeable with one another for this vehicle.