Honda Motorcycle CB400F CB-1 Turn Signal Bulb Size

Honda Motorcycle CB400F CB-1 front and rear turn signal bulbs use a P21W size. The replacement chart covers 1989 to 1990 vehicle production years with bulb size specifications.

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

Front Turn Signal

YearsUS TypeEU TypeShop
1989-19901156P21WCheck Price

Rear Turn Signal

YearsUS TypeEU TypeShop
1989-19901156P21WCheck Price

Bulb Specifications

Description Type Shop
ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W.P21WCheck Price
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.1156Check Price

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