998cc twin. Groomed trails. Four seats.
The ProStar S4 runs a 998cc liquid-cooled twin with Sequential Port Injection and forward-neutral-reverse. Four riders fit the bench seats. The Matryx front suspension and PRO-CC rear give you 9.5 inches of travel up front on a 15-inch track. You get PRO-STEER dual carbide skis, smart hand and thumb warmers, and an RCA power outlet standard. Fuel tank holds 11.5 gallons. Moon Motorsports stocks the 2027 INDY Adventure 137 in Monticello.
