Ski-Doo MX Z 600 X-RS Brake Bulb Size

The Ski-Doo MX Z 600 X-RS brake uses a 921 bulb size for the lighting component. Data for the specific bulb requirements covers the range from 2007 to 2010.

The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.

Bulb Size by Year Range

Years	Bulb Size
2010	921
2007	921

Bulb Specifications

Description	Bulb Size
ANSI standard (US & Canada). Wedge bulb (T15). 12V, 16W.	921

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Additional Notes

The 921 bulb is the sole brake bulb size specified for the Ski-Doo MX Z 600 X-RS across both listed model years, 2007 and 2010.
The 921 follows the ANSI standard recognized in the United States and Canada, placing it within a widely adopted North American lighting classification system.
This bulb uses a wedge-style base, classified under the T15 designation, which refers to a tubular envelope with a width of 15 eighths of an inch.
Operating at 12 volts and 16 watts, the 921 falls within the low-wattage range typical of auxiliary and brake lighting applications in powersports equipment.
The wedge base design of the T15 format requires no separate metal base or locking pins, as the glass envelope itself is held in place by friction within the socket.
Because the 921 is an ANSI-standardized type, physically compatible substitutes from different manufacturers are generally expected to share the same voltage, wattage, and base configuration.