PB-255LN SPECIFICATIONS
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© 07/22 ECHO Incorporated
SPECIFICATIONS
MODEL PB-255 LN
Length (without pipes) 340 mm (13.4 in.)
Width 270 mm (10.6 in.)
Height 350 mm (13.8 in.)
Weight (dry) 4.2 kg (9.3 lb.)
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 cc (1.55 in.
3
)
Exhaust
Spark arrester muffler or spark arrester
muffler with catalyst
Carburetor Diaphragm with purge pump
Ignition System
Flywheel magneto, capacitor discharge
ignition type
Spark Plug
NGK BPM8Y (BPMR8Y in Canada)
Gap 0.65 mm (0.026 in.)
Fuel Mixed (gasoline and two-stroke oil)
Gasoline/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.
Fuel Tank Capacity 0.5 L (16.9 US fl. oz.)
Starter System Automatic recoil starter, centrifugal type
Idle Speed 3,000 RPM
Wide Open Throttle Speed 7,450 RPM
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