Echo X750018671 ユーザーズマニュアル

MODEL  ---------------------------------------------------- SRM-266, SRM-266S
Length w/o cutter head ------------------------------------ 1810 mm  (71.3 in.)
Width -------------------------------------------------------- 250 mm  (9.85 in.)
Height ------------------------------------------------------- 340 mm  (13.4 in.)
Weight (dry) w/o Cutter Head  (SRM-266) ------------ 5.56 kg  (12.3 lb.)
Weight (dry) w/o Cutter Head  (SRM-266S) ----------- 5.49 kg  (12.1 lb.)
Engine Type ------------------------------------------------ Air cooled, two-stroke, single cylinder gasoline engine
Bore ---------------------------------------------------------- 34.0 mm (1.34 in.)
Stroke -------------------------------------------------------- 28.0 mm (1.10 in.)
Displacement ----------------------------------------------- 25.4 cc (1.55 cu. in.)
Exhaust ------------------------------------------------------ Spark arrestor muffler or spark arrestor muffler with catalyst
Carburetor--------------------------------------------------- Diaphragm model w/purge pump 
Ignition System -------------------------------------------- Flywheel magneto, capacitor discharge
Spark Plug -------------------------------------------------- NGK BPM-8Y (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- 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% MTBE. Do not use 
alternative fuels such as E-15 or E-85.

Oil ------------------------------------------------------------ Power Blend X 

TM

 Premium Universal 2-Stroke Oil

Fuel Tank Capacity ---------------------------------------- 0.50 lit. (16.9 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-266) ----------------------------------- 6.35 mm (1/4 in.) flexible shaft
Drive Shaft (SRM-266S) --------------------------------- 7.0 mm  hollow  shaft
Gear Case Ratio -------------------------------------------- 1.4:1 Reduction
Rotating Direction ----------------------------------------- Counter Clockwise; viewed from top
Cutter Head ------------------------------------------------- Speed-Feed

® 

Nylon line head (2-line) with .095 Crossfire™ Line 

capacity 6m (20 ft.) 

Handle ------------------------------------------------------- Front - Loop and Right Rear Handle w/rubber grips
Shoulder Harness ------------------------------------------ Optional
Idle Speed --------------------------------------------------- 2,900  RPM
Clutch Engagement Speed -------------------------------- 3,900 RPM
Wide Open Throttle Speed (W.O.T.) 
with Nylon Line Head  ------------------------------------ 9,000 - 10,000 RPM