
**Synthetic oils will provide better starting in extreme cold (below -10.F). 10 a. Gasoline/Alcohol blends: Gasohol (up to 10% ethyl alcohol, 90% unleaded gasoline by volume) is approved as a fuel for Kohler engines. Other gasoline/alcohol blends are not approved. b. Gasoline/Ether blends: Methyl Tertiary Butyl Ether (MTBE) and unleaded gasoline blends (up to a maximum of 15% MTBE by volume) are approved as a fuel for Kohler engines. Other gasoline/ether blends are not approved. 2. Fuel Warnings