Echo 2CS-450 User Manual

13

CS-450

NOTICE: 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 this 

manual.

Alternative fuels, such as E-15 (15% ethanol), E-85 (85% ethanol) or any fuels not meeting ECHO requirements are NOT 

approved for use in ECHO 2-stroke gasoline engines.  Use of alternative fuels may cause performance problems, loss of 

power, overheating, fuel vapor lock, and unintended machine operation, including, but not limited to, improper clutch 

engagement.  Alternative fuels may also cause premature deterioration of fuel lines, gaskets, carburetors and other engine 

components.

Check fuel system for leaks due to fuel tank damage, especially if the unit is dropped. If damage or leaks are 

found, do not use unit, otherwise serious personal injury or property damage may occur. Have unit repaired by an 

authorized servicing dealer before using.

  

Fuel 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. FD Standards must be used. Echo 

brand premium Power Blend X

TM

 Universal 2-Stroke Oil meets these standards. Engine problems due to inadequate lubrication 

caused by failure to use an ISO-L-EGD (ISO/CD 13738) and J.A.S.O. FD certified oil, such as Echo premium Power Blend X

TM

, 

will void the two-stroke engine warranty. 

Echo premium Power Blend X

TM

 Universal 2-Stroke Oil may be mixed at 50:1 ratio for application in all Echo engines sold 

in the past regardless of ratio specified in those manuals.