Honda Motorcycle CN250 Helix Turn Signal Bulb Size

Honda Motorcycle CN250 Helix front turn signal bulbs measure 1034 size, while rear turn signal bulbs measure 1073 and P21W size. The replacement chart covers 1986 to 2007 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 Size
2004-20071034
1992-20011034
1986-19871034

Rear Turn Signal

YearsBulb Size
2006-20071073
2004-2005P21W
20011073
1998-2000P21W
19971073
1996P21W
1994-19951073
1993P21W
19921073
19871073
1986P21W

Bulb Specifications

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

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