13 CS-450PFuEl anD lubricantNOTICE: Use of unmixed, improperly mixed, or fuel older than 90 days, (stale fuel), may cause hard starting, poor perfor-mance, or severe engine damage and void the product warranty. Read and follow instructions in the Storage section of thismanual.FuEl statEmEntWARNINGAlternative fuels, such as E-15 (15% ethanol), E-85 (85% ethanol) or any fuels not meeting ECHO requirements are NOTapproved for use in ECHO 2-stroke gasoline engines. Use of alternative fuels may cause performance problems, loss ofpower, overheating, fuel vapor lock, and unintended machine operation, including, but not limited to, improper clutchengagement. Alternative fuels may also cause premature deterioration of fuel lines, gaskets, carburetors and other enginecomponents.WARNINGCheck fuel system for leaks due to fuel tank damage, especially if the unit is dropped. If damage or leaks arefound, do not use unit, otherwise serious personal injury or property damage may occur. Have unit repaired by anauthorized servicing dealer before using.Handling FuelWARNINGFuel is VERY flammable. Use extreme care when mixing, storing or handling or serious personal injury may result.• Use an approved fuel container.• DO NOT smoke near fuel.• DO NOT allow flames or sparks near fuel.• Fuel tanks/cans may be under pressure. Always loosen fuel caps slowly allowing pressure to equalize.• NEVER refuel a unit when the engine is HOT or RUNNING!• DO NOT fill fuel tanks indoors. ALWAYS fill fuel tanks outdoors over bare ground.• DO NOT overfill fuel tank. Wipe up spills immediately.• Securely tighten fuel tank cap and close fuel container after refueling.• Inspect for fuel leakage. If fuel leakage is found, do not start or operate unit until leakage is repaired.• Move at least 3m (10 ft.) from refueling location before starting the engine.Gasoline - Use 89 Octane [R+M/2] (mid grade or higher) gasoline known to be good quality. Gasoline may contain up to 10%Ethanol (grain alcohol) or 15% MTBE (methyl tertiary-butyl ether). Gasoline containing methanol (wood alcohol) is NOT ap-proved.Two Stroke Oil - A two-stroke engine oil meeting ISO-L-EGD (ISO/CD 13738) and J.A.S.O. FC/FD Standards must be used.Echo brand premium Power Blend XTM Universal 2-Stroke Oil meets these standards. Engine problems due to inadequate lubrica-tion caused by failure to use an ISO-L-EGD (ISO/CD 13738) and J.A.S.O. FC/FD certified oil, such as Echo premium PowerBlend XTM, will void the two-stroke engine warranty.IMPORTANTEcho premium Power Blend XTM Universal 2-Stroke Oil may be mixed at 50:1 ratio for application in all Echo engines soldin the past regardless of ratio specified in those manuals.