1985-1990 Suzuki LT50 Service Manual, Page 121Get this manual
ITEM SPECIFICATION
Us only unleaded or lo lead type gasoline
Fuel type
of at least 85 -95 pump octane R+ method !89 oc tane or hIghe rated by resear h
Gasoline used should be graded 85 -9 c
Fu el tank apac ity
tane higher An unleaded or low lead type gas oline is recommended
Engine oil type