1965 Yamaha Rotary Jet 80 - an inside look at the greatest going

Yamaha - the 2-stroke with oil injection. Yamaha's Rotary Jet 80 gives you the advantages of 2-cycle performance, without the nuisance of pre-mixing. As you ride, the Oil Injection System mixes precisely measured amounts of clean oil into the fuel / air mixture. The gas / oil ratio is RPM controlled, so no oil is wasted.

1965 Yamaha Rotary Jet 80 - an inside look at the greatest going Ad available at www.DadsVintageAds.com

Vintage 1963 Yamaha YG1 & YDT1 Ad Trivia

Motorcycle Trivia of the day:
These two Vintage 1963 Yamaha Advertisements are almost identical except for one thing. Look at the two images and see if you can find the difference. Answer below.

1963 Yamaha YG1 Rotary Jet & YDT1 250cc Print Ads available at www.DadsVintageAds.com






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Answer: The first ad above shows "73cc Yamaha YG1" and the second one, which was published a couple of months later shows "80cc Yamaha YG1"