Ski-Doo Summit Sport Power TEK 800R Brake Bulb Size

The Ski-Doo Summit Sport Power TEK 800R brake utilizes a P21/5W bulb size for the lighting system. Available information covers the specific time range from 2012 through 2016.

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
2012-2016	P21/5W

Bulb Specifications

Description	Bulb Size
ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W.	P21/5W

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Additional Notes

The P21/5W is the sole brake bulb type listed for the Ski-Doo Summit Sport Power TEK 800R across the 2012-2016 model years.
P21/5W is a dual-filament bulb, with one filament rated at 21 watts for the brake or stop function and a second filament rated at 5 watts for a lower-intensity running light function.
The bulb operates on a 12-volt electrical system, which is standard for powersports and automotive lighting applications.
P21/5W uses a BAY15d bayonet base, a two-pin offset base design that prevents incorrect insertion by positioning the two pins at different heights along the base.
The P21/5W designation follows ECE (Economic Commission for Europe) standards, meaning the bulb is specified under a globally recognized regulatory framework rather than a North American SAE standard.
Because the BAY15d base is offset, it is not interchangeable with the BA15d base, which carries pins at equal heights. Substituting a single-pin BA15s bulb would also be incompatible, as that base lacks the second filament contact entirely.