Yamaha YTZ250 Tri-Z Tail Light Bulb Size

The Yamaha YTZ250 Tri-Z tail light requires a 194 bulb size for proper illumination. The replacement chart covers 1985 to 1986 production years with corresponding bulb specifications.

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

Bulb Size by Year Range

YearsBulb Size
1985-1986194

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W.194