Honda Motorcycle CB650 Turn Signal Bulb Size

Honda Motorcycle CB650 front turn signal bulbs use 1034 size while rear turn signal bulbs use P21W size. The replacement chart covers 1981 to 1982 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.

Front Turn Signal

YearsBulb TypeShop
1981-19821034Check Price

Rear Turn Signal

YearsUS TypeEU TypeShop
1981-19821156P21WCheck Price

Bulb Specifications

Description Type Shop
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Variant of 1157. 12V, 21/5W.1034Check Price
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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