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SPECIFICATIONS PB-2520
34 X7501190001
© 8/2017 ECHO Inc.
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.
11. Remove blower pipe assembly from unit.
SPECIFICATIONS
MODEL PB-2520
Length 324 mm (12.8 in.) (without blower pipes)
958 mm (37.7 in.) (with blower pipes)
Width 233 mm (9.2 in.)
Height 355 mm (14.0 in.)
Weight (dry) 3.6 kg (7.9 lb.) (without blower pipes)
3.9 kg (8.6 lb.) (with blower pipes)
Engine Type Air cooled, two-stroke, single cylinder gasoline
engine
Bore 34.0 mm (1.34 in.)
Stroke 28.0 mm (1.1 in.)
Displacement 25.4 cm
3
(1.55 in.
3
)
Exhaust Spark arrestor muffler or spark arrestor muffler with
catalyst
Carburetor Diaphragm with 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 Power Blend X
™
or ECHO Red Armor
®
ISO-L-
EGD (ISO/CD 13738) and J.A.S.O. M345- FD
, two-
stroke, air-cooled engine oil.
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.
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