Yamaha has a parts list from 1968-2008

 

1973 Grassracing
1974 GPX338F - Donated by Jeff Reddemann
1974 GPX433F - Donated by Jeff Reddemann
1980 ET 250 - Swiped from www.vintagesleds.com
1980 ET 340 - Swiped from www.vintagesleds.com
1980 ET 340T - Swiped from www.vintagesleds.com
1980 EX 440 - Swiped from www.vintagesleds.com
1980 SRX 440 - Swiped from www.vintagesleds.com
1981 BR250 Bravo

 

1974 yamaha gpx 433f

1980 EX440

1981 Yamaha BR250 Bravo

 

Forums

Vintagesnowmobile.com

TY Forums

 

Generic Forums (All vintage sleds)

VintageSleds.com

SnowmobileWorld.com

HardCoreSledder.com

Trackshare.com

SnowmobileForum.com

Parts