32
S
PECIFICATIONS
MODEL ----------------------------------------------------
SRM-410U
Length ------------------------------------------------------- 1860 mm (73.2 in.)
Width -------------------------------------------------------- 630 mm (24.8 in.)
Height ------------------------------------------------------- 470 mm (18.5 in.)
Weight (dry) w/Cutter Head ------------------------------ 8.3 kg (18.3 lb.)
Engine Type ------------------------------------------------ Air cooled, two-stroke, single cylinder gasoline engine
Bore ---------------------------------------------------------- 40.0 mm (1.58 in.)
Stroke -------------------------------------------------------- 34.0 mm (1.34 in.)
Displacement ----------------------------------------------- 42.7 cc (2.61 cu. in.)
Exhaust ------------------------------------------------------ Spark arrestor muf
fl
er or spark arrestor muf
fl
er with catalyst
Carburetor--------------------------------------------------- Walbro w/purge pump
Ignition System -------------------------------------------- Flywheel magneto, capacitor discharge ignition type
Spark Plug -------------------------------------------------- NGK BPM7A (Gap 0.65 mm (0.026 in.)
Fuel ---------------------------------------------------------- Mixed (Gasoline and Two-stroke Oil)
Fuel/Oil Ratio ---------------------------------------------- 50 : 1 Power Blend X™ ISO-L-EGD (ISO/CD 13738) and
J.A.S.O. M345- FC/FD, two-stroke, air-cooled engine oil.
Gasoline ----------------------------------------------------- Use 89 Octane unleaded. Do not use fuel containing methyl
alcohol, more than 10 % ethyl alcohol or 15 % TBE. Do not use
alternative fuels such as E-20 or E-85.
Oil ------------------------------------------------------------ Power Blend X
TM
Premium Universal 2-Stroke Oil
Fuel Tank Capacity ---------------------------------------- 1.0 L (33.8 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 ---------------------------------------------- 28.0 mm aluminum Tube
Drive Shaft -------------------------------------------------- 8.0 mm
Gear Case Ratio -------------------------------------------- 1.33 Reduction
Rotating Direction ----------------------------------------- Counter Clockwise; viewed from top
Cutter Head ------------------------------------------------- 10 in. 80 - tooth blade
Handle ------------------------------------------------------- U-Handle
Shoulder Harness ------------------------------------------ Standard
Idle Speed --------------------------------------------------- 2300 - 2700 RPM
Clutch Engagement Speed -------------------------------- 3500 RPM
Wide Open Throttle Speed (W.O.T.) -------------------- 10000 - 11500 RPM
