OPERATION HC-2210 / 2810
18 X7702248101
© 10/21 ECHO Incorporated
Fuel Requirements
Gasoline - Use fresh (purchased within the last 30 days from the pump) 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 approved. Use of ECHO branded fuel is recommended to extend 
engine life in all air-cooled 2-stroke and 2/4-stroke hybrid engines.
Two Stroke Oil - A two-stroke engine oil, such as ECHO branded 2-stroke 
oils, meeting ISO-L-EGD (ISO/CD 13738) and J.A.S.O. FD Standards must 
be used. ECHO branded 2-stroke oils meet 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. M345-FD certified oil will void the two-
stroke engine warranty.
2-Stroke engine oil contains petroleum distillates and other
a
dditives that may be harmful if swallowed. Heated oil 
can
re
lease vapors that can cause flash fire, or ignite with explosiv
e
f
orce. Read and follow the oil manufacturer’s instructions, an
d
ob
serve all safety warnings and precautions for handling
flammable liquids. For more detailed safety and first aid
information, visit www.echo-usa.com for a copy of the Mate
rial
Sa
fety Data Sheet.
◆ KEEP OUT OF REACH OF CHILDREN.
◆ If swallowed, do not induce vomiting. CALL PHYSICIAN OR
A
 POISON CONTROL CENTER IMMEDIATELY.
◆ WEAR SAFETY GLASSES when mixing or handling.
◆ AVOID repeated or prolonged skin contact.
◆ AVOID inhaling oil mists or vapors.
ECHO branded 2-stroke oils may be mixed at 50:1 ratio for 
application in all ECHO engines sold in the past regardless of ratio 
specified in those manuals.