Yamaha XVS1300A V Star 1300 Tourer Turn Signal Bulb Size
The Yamaha XVS1300A V Star 1300 Tourer uses a P21/5W bulb size for front turn signals and PY21W or 12496 bulb size for rear turn signals. The replacement chart covers 2014 through 2017 model years with corresponding bulb size specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The Yamaha XVS1300A V Star 1300 Tourer uses two distinct bulb types across its front and rear turn signal positions, with the front and rear positions requiring different bases and filament configurations.
The P21/5W is the specified front turn signal bulb for the 2014-2017 model years. It is a dual-filament ECE-standard bulb rated at 12V with a 21W main filament and a 5W secondary filament, mounted on a BAY15d offset-pin bayonet base.
The BAY15d base on the P21/5W uses two offset pins to ensure correct orientation, which prevents the bulb from being inserted in a position that would reverse the filament functions. This physical keying is a deliberate design feature of the dual-filament format.
The PY21W is the specified rear turn signal bulb for the 2014-2015 and 2017 model years. It is a single-filament amber bulb rated at 12V, 21W, and uses a BAU15s bayonet base with asymmetrically placed pins.
The BAU15s base on the PY21W is not interchangeable with the BAY15d base on the P21/5W. The pin offsets differ between the two base types, making cross-fitment physically incompatible under standard conditions.
The amber coloring of the PY21W is intrinsic to the glass envelope itself, meaning the bulb produces amber light without relying on a colored lens to achieve the required signal hue.
For the 2016 rear turn signal position, the specification lists the 12496 part number rather than the PY21W. The 12496 is a Philips/Osram catalog number designating a 12V halogen bulb for specialty applications.
Because the 2016 rear turn signal references a manufacturer part number rather than an ECE bulb code, direct substitution using only the ECE designation requires verification that the replacement matches the 12496 specification.