Honda Motorcycle CB750K Turn Signal Bulb Size

Honda Motorcycle CB750K front turn signal bulb uses 1034 size while rear turn signal bulb uses P21W size. Replacement chart covers 1981-1982 production years with bulb 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
1981-1982P21W

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

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