" 2018 POLARIS 800 RMK Assault 155The Polaris RMK Assault 800 155 is a mountain style snowmobile with an MSRP of $13,999 and was carryover for 2018. Power is provided by a 2-Stroke, 795cc, Liquid cooled, Reed Valve, Horizontal In-line engine with Pull starter. The engine is paired with The RMK Assault 800 155 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 RMK Assault 800 155 comes standard with an One-Piece, 1-passenger seat."