GRASS TRIMMER/BRUSH CUTTER
OPERATOR'S MANUAL 11SPECIFICATIONS
* Install and use U-Handle when operating any model with blade.
MODEL -----------------------------------------------------SRM-230U
Length------------------------------------------------------- 1795 mm (70.7 in.)
Width-------------------------------------------------------- 700 mm (27.68 in.)
Height -------------------------------------------------------455 mm (17.9 in.)
Weight (dry) w/Cutter Head ------------------------------ 5.72 kg (12.6 lb.)
Engine Type ------------------------------------------------Air cooled, two-stroke, single cylinder gasoline engine
Bore---------------------------------------------------------- 32.2 mm (1.27 in.)
Stroke-------------------------------------------------------- 28.0 mm (1.10 in.)
Displacement -----------------------------------------------22.8 cc (1.39 cu. in.)
Exhaust ------------------------------------------------------Spark Arrestor Muffler
Carburetor --------------------------------------------------Zama diaphragm model RB w/purge pump
Ignition System -------------------------------------------- Flywheel magneto, transistor control ignition type
Spark Plug -------------------------------------------------- NGK BPM-8Y (Gap 0.65 mm (0.026 in.)
Fuel ----------------------------------------------------------Mixed Fuel - gasoline and 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 ----------------------------------------0.58 lit. (19.6 US fl. oz.)
Starter System ----------------------------------------------Automatic Rewind Starter
Clutch -------------------------------------------------------Centrifugal Type
Vibration Isolated System--------------------------------- Rubber cushion on engine mount (heavy duty). Rubber grip on
front handle.
Operating Rod---------------------------------------------- 25.0 mm aluminum Tube
Drive Shaft-------------------------------------------------- 6.35 mm (1/4 in.) flexible shaft
Gear Case Ratio -------------------------------------------- 1.4:1 Reduction
Rotating Direction ----------------------------------------- Counter Clockwise; viewed from top
Cutter Head -------------------------------------------------Nylon line head (2-line) with .095 Crossfire™ Line capacity
6m (20 ft.)
Handle* -----------------------------------------------------U-Handle
Shoulder Harness ------------------------------------------Standard
Idle Speed--------------------------------------------------- 2400 - 3200 RPM
Wide Open Throttle Speed (W.O.T.)
with Nylon Line Head -------------------------------------8500 - 10,500 RPM
Wide Open Throttle Speed (W.O.T.)
with Blade --------------------------------------------------9000 - 11,500 RPM