Do not hit the trail unless you are running a Trail Runner Average test life of a Trail Runner is up to 25% longer than other leading touring belts Constructed of aramid tensile cord for consistent length performance Heat-resistant notch fabric gives a smooth idle and no greasing of pulley and drive shaft Flexweave over-cord provides extended flex life and crack resistance Engineered especially for lower-horsepower, entry-level and touring sleds This item fits the following applications: 2009-2011 Ski-Doo Skandic 550F Tundra LT 1989-1993 Ski-Doo Tundra 1991 Ski-Doo Cheyenne 1991 Ski-Doo Citation 1985-1991 Ski-Doo Citation LS 1985-1991 Ski-Doo Citation LSE 1987-1990 Ski-Doo Formula Plus 1989-1990 Ski-Doo Formula Plus LT 1990 Ski-Doo Safari Scout 1989-1990 Ski-Doo Safari Citation 1989 Ski-Doo Safari Voyageur 1987 Ski-Doo Skandic R 1987 Ski-Doo Skandic 503 1987 Ski-Doo Escapade 1980-1984 Ski-Doo Citation 3500 1980-1983 Moto-Ski Mirage II 1980-1983 Ski-Doo Citation 4500 1980-1983 Ski-Doo Everest L/C 1983 Ski-Doo Skandic 1980-1982 Moto-Ski Mirage I 1980-1982 Moto-Ski Futura L/C 1980-1982 Moto-Ski Ultra Sonic 1980-1982 Ski-Doo Elite 1979-1981 Moto-Ski Super Sonic 1979-1981 Ski-Doo Blizzard 7500 Plus 1977-1979 Moto-Ski Nuvik 1977-1979 Moto-Ski Futura 1977-1979 Ski-Doo Everest 1977-1979 Ski-Doo Olympic 1976-1978 Moto-Ski Sonic 1977-1978 Ski-Doo RV 1978 Ski-Doo Blizzard 6500 Plus 1977 Ski-Doo TNT F/A