1969-1975 20:1
1976-1978 20:1 Premium Gas

 

1970 Ski Whiz
1971 Ski Whiz
1977 Whirlwind

 

1969 - 1972 300S/300SS/500SST
1973 - 1975 304/304T/344T/404T/444T/404WT/444WT
1977 Whirlwind

 

1969 - 1971 Ski Whiz
1973 - 1975 Ski Whiz
1976 Chinook
1976 Cyclone
1976 Whirlwind

 

300S and 350SS Manual Start
300S and 350SS Electric Start
500 SST Manual Start
500 SST Electric Start

 

Forums

Vintagesnowmobile.com

 

Generic Forums (All vintage sleds)

VintageSleds.com

SnowmobileWorld.com

HardCoreSledder.com

Trackshare.com

SnowmobileForum.com

Parts