SPECIFICATIONS HC-2020
40 X7702245301
© 11/19 ECHO Incorporated
8. Drain fuel tank completely. Press purge bulb 6-7 times to remove
remaining fuel from carburetor then drain the tank again. Close choke,
start and run the engine until it stops due to lack of fuel.
9. 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.
a. Place a clean cloth over the spark plug hole.
b. Pull the recoil starter handle 2-3 times to distribute the oil inside the
engine.
c. 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 HC-2020
Length 1064 mm (41.9 in.)
Width 266 mm (10.5 in.)
Height 198 mm (7.8 in.)
Weight (dry) 4.5 kg (10 lb.)
Engine Type Air cooled, two-stroke, single cylinder gasoline
engine
Bore 32.2 mm (1.27 in.)
Stroke 26.0 mm (1.02 in.)
Displacement 21.2 cc (1.29 cu. in.)
Exhaust Spark arrestor muffler or spark arrestor muffler
with catalyst
Carburetor Diaphragm w/purge pump
Ignition System Flywheel magneto, capacitor discharge ignition
type
Spark Plug NGK BPMR8Y (Gap 0.65 mm (0.026 in.)
Fuel Mixed (Gasoline and Two-stroke Oil)
Fuel/Oil Ratio 50:1
Gasoline 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 E-15 or E-85.
Oil ISO-L-EGD (ISO/CD 13738) and J.A.S.O.
M345- FD
, two-stroke, air-cooled engine oil.
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