23
P
OWER
B
LOWER
O
PERATOR
'
S
M
ANUAL
S
PECIFICATIONS
MODEL ----------------------------------------------------- PB-261
Length (w/hip throttle) ------------------------------------ 394 mm (15.5 in.)
Width (w/hip throttle) ------------------------------------ 384 mm (15.1 in.)
Height ------------------------------------------------------- 464 mm (18.2 in.)
Weight with pipes ----------------------------------------- 6.5 kg (14.3 lb.)
Engine Type ------------------------------------------------ Air cooled, two-stroke, single cylinder gasoline engine
Displacement ----------------------------------------------- 25.4 cc (1.55 cu. in.)
Bore ---------------------------------------------------------- 34.0 mm (1.34 in.)
Stroke -------------------------------------------------------- 28.0 mm (1.10 in.)
Carburetor -------------------------------------------------- Walbro Diaphragm, model w/primer bulb
Ignition System -------------------------------------------- Flywheel Magneto, capacitor discharge ignition type
Spark Plug -------------------------------------------------- NGK BPM-8Y 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 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 ------------------------------------------------------------ Power Blend
TM
Premium Universal 2-Stroke Oil
Fuel Tank Capacity ---------------------------------------- 0.6 lit. (20.3 US fl. oz.)
Recoil Starter System -------------------------------------- Automatic Recoil Starter with power spring assist
Idle Speed --------------------------------------------------- 2400 - 3200 (RPM)
Wide Open Throttle Speed ------------------------------- 7000 - 8000 (RPM) Maximum
Maximum Air Speed (Measured at pipe end) ---------- 70.0 m/sec. (156.0 mph)
Average Air Volume (Measured at pipe end) ---------- 9.5 m
3
/min cmm (335 CFM)
Sound Level at 50 ft. dB(A) scale per ANSI B175.2 ---- Less than 65 dB(A)
