Yes you can use 87 octane unleaded in a 1977 Yamaha XS750, that fuel was the good octane in those days
That motorcycle originally burned leaded gas. You can safely burn unleaded in it. I believe the manual say 93 octane.
Unleaded...if it's a stock engine you can run 87 octane.
unleaded premium
It' a 1977
The average price of a gallon of regular unleaded gasoline in 1977 was $.66
In 1977, the average price per gallon of regular unleaded gas was $.66 cents
It' a 1977
275lbs
L-82 had more compression than L-48. Probably not wise to use less than 89 octane. minimum of 87 octane
1977 to 1981, they were made in Japan
1977 if i can remember correctly
Either a 1976 or 1977 Yamaha RD400 ('C' model if 1976, 'D' model if 1977). What color are the wheels? 1976 models came with 'natural' cast aluminum wheels. 1977 model wheels were painted black.