Specifications - Echo SRM-225SB Operator's Manual

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s
pecIfIcatIons
MODEL ---------------------------------------------------- SRM-225SB
Unit Length ------------------------------------------------- 1793mm (70.6 in.)
Unit Width -------------------------------------------------- 251 mm (9.88 in.)
Unit Height ------------------------------------------------- 328 mm (12.9 in.)
Weight (dry) w/cutting attachment ---------------------- 5.75 kg (12.68 lb.)
Engine Type ------------------------------------------------ Air cooled, two-stroke, single cylinder gasoline engine
Bore ---------------------------------------------------------- 32.2 mm (1.27 in.)
Stroke -------------------------------------------------------- 26.0 mm (1.02 in.)
Displacement ----------------------------------------------- 21.2 cc (1.29 cu. in.)
Exhaust System -------------------------------------------- Spark arrestor muffler or spark arrestor muffler with catalyst
Carburetor--------------------------------------------------- Zama model w/purge
Ignition System -------------------------------------------- CDI (capacitor discharge ignition)
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
Gasoline ----------------------------------------------------- Use 89 Octane unleaded. Do not use fuel containing methyl
Oil ------------------------------------------------------------ Power Blend X
Fuel Tank Capacity ---------------------------------------- 0.44 lit. (14.9 US fl. oz.)
Starter System ---------------------------------------------- i-30 Automatic Recoil Starter
Clutch-------------------------------------------------------- Centrifugal Type
Drive Shaft (upper & lower) ----------------------------- 1/4 in. Flex Shaft
Rotating Direction ----------------------------------------- Counter clockwise viewed from top
Cutting Attachment ---------------------------------------- Nylon line head (2-line) with .095 in. Cross Fire
Handles* ---------------------------------------------------- Front - Loop, Rear Handle (w/rubber), when operating with stan-
Shoulder Harness ------------------------------------------ Optional
Idle Speed --------------------------------------------------- 2,500 - 3,000 RPM **
Clutch Engagement Speed ------------------------------- 3,800 RPM
Wide Open Throttle Speed ------------------------------- 8,400 - 9,200 RPM **
* Install and use U-Handle when operating any model with steel blade.
**The RPM range shown applies for all attachments. Refer to your attachment Operator's Manual "Specifications"
section for proper RPM specifications.
J.A.S.O. M345- FC/FD, two-stroke, air-cooled engine oil.
alcohol, more than 10% ethyl alcohol or 15% MTBE. Do not use
alternative fuels such as E-15 or E-85.
Premium Universal 2-Stroke Oil
TM
m (24 ft.)
dard line head
line capacity 7
TM