Echo SRM-4510 Operator's Manual page 13

 Do not fill fuel tanks indoors. Always fill fuel tanks outdoors over bare ground. Do not refuel the product on the load-
ing platform of a truck, or in other such places.
 Fuel tanks/cans may be under pressure. Always loosen fuel caps slowly allowing pressure to equalize.
Otherwise, fuel may get spewed.
 Mop up any fuel that overflows or spills out due to overfilling.
Fuel spills can cause fire and burns when ignited.
 After refuelling, always check that there are no leaks or discharges of fuel from the fuel pipe, fuel system grommets,
or around the fuel tank cap. If you do find fuel leaks or discharges, stop using the product immediately and contact
your dealer to have it repaired.
Any fuel leaks could cause fire.
 Keep the refuelling tank in a shaded area away from fire.
 Use an approved fuel container.
 Fuel is a mixture of regular grade petrol and an air-cooled 2-stroke engine oil. Minimum 89 Octane unleaded petrol is recom-
mended. Do not use fuel containing methyl alcohol or more than 10 % of ethyl alcohol.
 Stored fuel ages. Do not mix more fuel than you expect to use in thirty (30) days.
Fuel
Fuel supply
WARNING
IMPORTANT
 Recommended mixture ratio; 50: 1 (2%) for ISO-L-EGD
Standard (ISO/CD 13738), JASO FC,FD grade and ECHO
recommended oil.
 Never use two-stroke oil intended for water-cooled engines,
motor-cycle engines.
 Do not mix directly in engine fuel tank.
 Do not add so much fuel that it reaches the mouth of the fuel
tank (A). Keep the fuel within the prescribed level (up to the
shoulder level (B) of the fuel tank).
 Tighten the fuel tank cap securely after refuelling.
13
Before you start