The 2019 Ski-Doo Backcountry X-RS comes in one length only, 146. Three track choices are available, the 15-inch wide Cobra (standard), or the 15-inch wide Ice Cobra (optional) with 1.6-inch tall paddles, or the 16-inch wide PowderMax with 2.0-inch tall lugs (optional). We recommend the PowderMax for more bite in luscious powder. To us the Cobra and Ice Cobra is Renegade territory; though good tracks, we like a crossover to be just that, a “crossover.” The PowderMax track is not a FlexEdge track like those used on the Summits and Freerides.

In our opinion, the PowderMax track is the best track if the Backcountry X-RS is to be truly a 50/50 crossover snowmobile.

The 2019 Ski-Doo Backcountry X-RS rails along on cMotion rear suspension, which is a blend, in simple snowmobiler-speak, of Ski-Doo’s rMotion and tMotion rear suspensions; the best attributes from each.

Thus, cMotion has torque rods, springs and adjustable shocks, for trail riding – all engineered to absorb bumps like an MXZ. The cMotion’s hyfax rails, at the rear, are tipped up which allows the 146 to feel and handle like a 137 – when carving tight lines on the trails. The cMotion is a rising rate suspension, meaning as the suspension travels up into the tunnel (compresses) its springs and shocks begin to stiffen. The rising rate configuration is soft and plush at the first half of a rear suspension’s stroke, then progressively stiff at the last half of a rear suspension’s stroke – to absorb mogul slap and the rider’s corresponding down force from their body weight.


From many days experience, we report the motor has a smooth hit out from the hole; the motor is wicked strong and its drive system is electric motor smooth.

As speed and RPM build, we initiated throttle chops to manage changing terrain conditions; the nature of snowmobiling. When we would pulse the throttle lever at mid-range and above, the 850’s fuel-injection boost system helped the motor to be more than what it is; it continued shooting forward.

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