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SPECIFICATIONS
MODELS --------------------------------------------------- SRM-230, SRM-230S
Length------------------------------------------------------- 1795 mm (70.7 in.)
Width--------------------------------------------------------250 mm (9.84 in.)
Height ------------------------------------------------------- 250 mm (9.84 in.)
Weight (dry) w/Cutter Head (SRM-230) ----------------5.1 kg (11.2 lb.)
Weight (dry) w/Cutter Head (SRM-230S) --------------- 4.9 kg (10.8 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 w/purge pump
Ignition System --------------------------------------------Flywheel magneto, transistor control ignition type
Spark Plug -------------------------------------------------- NGK BPMR-8Y (Gap 0.65 mm (0.026 in.)
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 ---------------------------------------- 0.58 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 (SRM-230) ------------------------------------6.35 mm (1/4 in.) flexible shaft
Drive Shaft (SRM-230S) ----------------------------------- 7 mm (1/4 in.) steel 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 6 m (20 ft.)
Handle ------------------------------------------------------- Front - Loop and right rear handle with rubber grip
Shoulder Harness ------------------------------------------ Optional
Idle Speed--------------------------------------------------- 2,400 - 3,200 RPM
Wide Open Throttle Speed (W.O.T.) with
Nylon Line Head ------------------------------------------- 8,500 - 10,500 RPM
Wide Open Throttle Speed (W.O.T.) with Blade ------ 9,500 - 11,500 RPM
IMPORTANT This spark ignition system complies with Canadian ICES-002.
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