11
P
OWER
B
LOWER
O
PERATOR
'
S
M
ANUAL
S
PECIFICATIONS
MODEL
PB-231LN Hand Held
Length
335 mm (13.2 in.) (w/o pipes)
Width
235 mm (9.3 in.)
Height
375 mm (14.8 in.)
Weight (dry)
4.6 kg (10.1 lb.)
Engine Type
Air cooled, two-stroke, single cylinder gasoline engine
Displacement
22.8 cc (1.39 cu. in.)
Bore
32.2 mm (1.27 in.)
Stroke
28.0 mm (1.10 in.)
Carburetor
Zama Diaphragm, model RB w/primer bulb
Ignition System
Flywheel Magneto, capacitor discharge ignition type
Spark Plug
NGK BPM-7Y Gap 0.65 mm (0.026 in.)
Exhaust System
Spark Arrestor Muffler w / Catalyst
Fuel
Mixed (Gasoline and Two-stroke Oil)
Fuel/Oil Ratio
50:1 ECHO High Performance, two-stroke air cooled engine oil
Gasoline
89 Octane unleaded. DO NOT use fuel containing methyl alcohol,
more than 10% ethyl alcohol or 15% MTBE.
Oil
50:1 ECHO High Performance, two-stroke air cooled engine oil
Fuel Tank Capacity
0.6 lit. (20.3 US fl. oz.)
Recoil Starter System
Automatic Recoil Starter Centrifugal Type
Wide Open Throttle Speed (RPM)
7000 - 7400
Idle Speed (RPM)
2500 - 3300
Maximum Air Volume
10.3 m3/min. (365 cu. ft./min.)
Maximum Air Speed w/pipes (MPH)
71.5 m/sec (160 mph)
Sound Level at 50 ft. dB(A) scale
65 dB(A)
per ANSI B175.2
