12CS-800PFuel Mix Chart 50 : 1Gasoline OilL mL4 808 16020 400FUEL AND LUBRICANTWARNINGAlternative fuels, such as E-15 (15 % ethanol),E-85 (85 % ethanol) or any fuels not meetingECHO requirements are not approved for usein ECHO 2-stroke gasoline engines.Use of alternative fuels may causeperformance problems, loss of power,overheating, fuel vapor lock, and unintendedmachine operation, including, but not limitedto, improper clutch engagement.Alternative fuels may also cause prematuredeterioration of fuel lines, gaskets, carburetorand other engine components.IMPORTANT• ECHO premium Power Blend X™ Universal2-Stroke Oil may be mixed at 50 : 1 ratio forapplication in all ECHO engines sold in the pastregardless of ratio specified in those manuals.• Use of unmixed, improperly mixed, or fuel olderthan 90 days, (stale fuel), may cause hardstarting, poor performance, or severe enginedamage and void the product warranty. Readand follow instructions in the Storage section ofthis manual.FUEL STATEMENTGasoline - Use 89 Octane [(R+M)/2] (mid grade orhigher) gasoline or gasohol known to be goodquality.Gasohol may contain up to 10 % Ethyl (grain)alcohol or 15 % MTBE (methyl teriary-butyl ether).Gasohol containing methyl (wood) alcohol is notapproved.ECHO brand Power Fuel™ is 93 octane, ethanol-free fuel premixed with ECHO Red Armor™ engineoil at 50:1 ratio.Use of ECHO Power Fuel™ is recommended toextend engine life in all air-cooled 2-stroke and2/4-stroke hybrid engines.Two-Stroke Oil - A two-stroke engine oil meetingISO-L-EGD (ISO/CD 13738) and JASO M345-FDStandards must be used.ECHO brand premium Power Blend X™ Universal2-Stroke Oil meets these standards.Engine problems due to inadequate lubricationcaused by failure to use an ISO-L-EGD (ISO/CD13738) and JASO M345-FD certified oil, such asECHO premium Power Blend X™, will void thetwo-stroke engine warranty.