Honda Motorcycle CB750C Custom Turn Signal Bulb Size

Honda Motorcycle CB750C Custom front turn signal bulbs measure 1034 in size, while rear turn signal bulbs measure P21W or 1073, with each bulb size specified for its corresponding location. The replacement chart covers 1981 to 1982 model years and contains vehicle production years alongside 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

YearsBulb Size
1981-19821034

Rear Turn Signal

YearsBulb Size
1982P21W
19811073

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Variant of 1157. 12V, 21/5W.1034
ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W.P21W
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W.1073

Other Locations