1985-1990 Suzuki LT50 Service Manual, Page 92Get this manual
SER ICING INFOR MATION
ITEM SPECIFICATION
Use only unleaded or low -lead type gaso hne at leas 85-95 pump octane method ), oc tane higher rated by resear 89 method
Fuel type
Unleaded or low-lead type gasoline is recom mended The gasoline should be at least 80- 95 Delance by the research methodIf ur engine pingsregular grade fuelmay be substituted Fuel tank Engine oil type