1975: last of the easy years, in fact, one of the easiest. for those that remember, this was the year when alot of snowmobile manufacturers went under, or almost under. some blamed it on the oil crisis, others the weather. i worked at a service station during those times, limit: 5 gallons, cars were lined up for miles. the few who weathered the storm we owe thanks to for todays sleds!
GPX338G and GPX433G were the only models produced that year, with vins starting with 888 and 889.
for 1976, new line up, new names, and yamaha started identifying the sleds with numbers used similar to todays.
PR440(Prestige 440)- 8A2
SRX440(the start of a long winning streak)- 8A7