The Ducati 748S uses 232 and 5008 bulb sizes for front turn signal applications, with 5008 and 232 sizes serving rear turn signal functions. Replacement chart data covers 2000 to 2002 production years for this motorcycle model.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The Ducati 748S uses two bulb types across its front and rear turn signal positions: the 232 and the 5008, both of which conform to ANSI standards applicable to the US and Canadian markets.
The 232 is a festoon-style bulb with an SV8.5 base, rated at 12 volts and 3 watts. Festoon bulbs are cylindrical in form and mount by pressing into clips at each end rather than inserting into a socket.
The 5008 is a single-filament bulb with a BA15s bayonet base, rated at 12 volts. The BA15s base uses a single contact pin and is a common format in automotive and motorcycle lighting applications.
The 5008 is a lower wattage variant of the 1156 bulb. While the two share the same BA15s bayonet base and are physically similar, they are not the same specification, and substituting a 1156 in place of a 5008 would introduce a higher wattage draw than the circuit was designed for.
On the Ducati 748S, the front and rear turn signal positions do not share the same bulb type within a given model year. The two positions use opposite bulb types depending on the year, meaning the 232 and 5008 alternate between front and rear across the production run.
For the 2002 model year, the front turn signal uses the 232 festoon bulb, while the rear turn signal uses the 5008 bayonet bulb.
For the 2000-2001 model years, the front turn signal uses the 5008 bayonet bulb, while the rear turn signal uses the 232 festoon bulb.
Because the front and rear positions on the 748S use physically different bulb types, the 232 and 5008 are not interchangeable with each other regardless of wattage considerations. The SV8.5 festoon base and the BA15s bayonet base are mechanically incompatible socket formats.