2019 POLARIS 850 PRO-RMK 163, 2019 POLARIS 850 PRO-RMK 163The Polaris PRO-RMK 850 163 is a mountain style snowmobile with an MSRP of $13,999 and is upgraded for 2019. Power is provided by a 2-Stroke, 840cc, Liquid cooled, Reed Valve, Horizontal In-line engine with Pull starter. The engine is paired with transmission and total fuel capacity is 11.5 gallons. The PRO-RMK 850 163 has front tires and a rear tires. The front suspension is an Independent A-Arm while the rear suspension is an . Front brakes and rear Hydraulic Disc brakes provide stopping power. The PRO-RMK 850 163 comes standard with an One-Piece, 1-passenger seat.