Yamaha WR450F Headlight Bulb Size

The Yamaha WR450F uses an HS1 and 9003 bulb size for both high beam and low beam headlight applications. The replacement chart covers vehicle production spanning 2003 to 2021 with corresponding bulb size specifications.

The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.

High Beam Headlight

YearsBulb Size
2012-2021HS1
2003-20069003

Low Beam Headlight

YearsBulb Size
2012-2021HS1
2003-20069003

Bulb Specifications

Description Bulb Size
ECE standard (Europe & worldwide). Dual-filament halogen motorcycle bulb with PX43t base. 12V, 35W/35W.HS1
ANSI standard (US & Canada). Dual-filament halogen bulb with P43t base. 12V, 60W/55W.9003

Additional Notes