The KTM 1090 Adventure uses H11 bulbs for both high beam and low beam headlight applications, with the size specification consistent across both functions. The replacement chart covers 2017 to 2018 production years and details bulb size specifications for headlight configurations.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
The H11 is a single-filament halogen bulb operating at 12 volts and 55 watts, fitted with a PGJ19-2 base. Single-filament construction means the bulb serves one lighting function only, which is why separate H11 units are specified for both the high beam and low beam positions in the KTM 1090 Adventure.
The H11 bulb carries ECE certification, a regulatory standard recognized across Europe and numerous other markets worldwide, and also holds approval for use in the United States.
The PGJ19-2 base is a keyed, twist-lock connector type. Its designation distinguishes it from physically similar bases in the PGJ19 family, such as the PGJ19-1 and PGJ19-3, meaning bulbs sharing those base types are not interchangeable with the H11 despite their outward resemblance.
Both the high beam and low beam headlight positions on the 1090 Adventure use the H11 specification across the 2017-2018 model years.