2020 POLARIS INDY 550 Adventure 155, 2020 POLARIS INDY 550 Adventure 155The Polaris INDY Adventure 550 155 is a touring style snowmobile with an MSRP of $9,699 and is carryover for 2020. Power is provided by a 2-Stroke, 544cc, Air / Fan cooled, Reed Valve, Horizontal In-line engine with Electric starter. The engine is paired with transmission and total fuel capacity is 11.5 gallons. The INDY Adventure 550 155 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 INDY Adventure 550 155 comes standard with a Two-Piece, 2-passenger seat.