Specifications - Echo SRM-3020U Operator's Manual

SPECIFICATIONS

7. Allow engine to cool. Remove the spark plug lead from the spark plug.
Remove the spark plug. Pour 7 cc (0.25 oz.) of fresh, clean, two-stroke
engine oil into the cylinder through the spark plug hole.
8. Pull the recoil starter handle 2-3 times to distribute the oil inside the
engine.
9. Observe the piston location through the spark plug hole. Pull the recoil
handle slowly until the piston reaches the top of its travel and leave it
there.
10. Install the spark plug. Connect the spark plug lead to the spark plug.
SPECIFICATIONS
MODEL
Length without cutter head
Width
Height
Weight (dry) without cutter
head
Engine Type
Bore
Stroke
Displacement
Exhaust
Carburetor
Ignition System
Spark Plug
Fuel
Fuel/Oil Ratio
Gasoline
Oil
Fuel Tank Capacity
Starter System
50
1,808 mm (71.2 in.)
687 mm (27 in.)
519 mm (20.4 in.)
6kg (13.2 lb.)
Air cooled, two-stroke, single cylinder gasoline
engine
36 mm (1.42 in.)
30 mm (1.18 in.)
30.5 cc (1.86 in.³)
Spark arrestor muffler or spark arrestor muffler with
catalyst
Diaphragm with purge pump
Flywheel magneto, capacitor discharge ignition type
NGKCMR7H – Gap 0.6 mm (0.026 in.)
Mixed (Gasoline and Two-stroke Oil)
50:1
Use 89 Octane unleaded. Do not use fuel containing
methyl alcohol, more than 10% ethyl alcohol or 15%
MTBE. Do not use alternative fuels such as E15 or
E85.
ISO-L-EGD (ISO/CD 13738) and J.A.S.O. M345-
FD, two-stroke, air-cooled engine oil.
0.71 L (24 US fl. oz.)
Automatic rewind starter
SRM-3020U
SRM-3020U
© 12/2019 ECHO Inc.
X7502350202