User`s manual

Hints on the Use of Fuel and Engine Oil
USER'S MANUAL
13
Fuel
Please use lead-free gasoline. If slight explosion sound comes from the engine, the possible cause is to use
general fuel as a substitute, thus replace the fuel.
Note: Using lead-free gasoline can prolong the lifetime of the spark plug.
Engine Oil
Use of high quality 4-stroke engine oil would extend the lifetime of the engine. Grade SG or SH engine oil in
API method is recommended, whose viscosity is SAE10W-50. If this oil is not available, please purc hase
appropriate substitutes according to the data listed below.
MUL
TIGRADE
TEMP
-30 -20 -10 0 10 20 3 0 4 0
-22 -4 - 14 32 50 6 8 86 104
20W-50
15W-40 15W-50
10W-40 10W-50
10W-30