2009 Polaris 800 Assault RMK 146, Come check out this Polaris 800 Assault! Call and make an appointment with Rexburg Motor Sports at 208-356-4000. 2009 Polaris® 800 Assault® RMK® 146 Built to attack the mountain, huck a hundred-footer, throw down your sickest trick and totally rip the back country.