GT-225 SPECIFICATIONS
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© 04/21 ECHO Incorporated
SPECIFICATIONS
MODEL GT-225
Length 1370 mm (53.9 in.)
Width 315 mm (12.4 in.)
Height 540 mm (21.3 in.)
Weight (dry) without 
cutter head
4.1 kg (9.04 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 cm³ (1.29 in.³)
Exhaust
Spark arrestor muffler or spark arrestor muffler 
with catalyst
Carburetor Diaphragm with purge pump
Ignition System
Flywheel magneto, capacitor discharge ignition 
type
Spark Plug
NGK BPM8Y (Canada: BPMR8Y) Gap 0.65 
mm (0.026 in.)
Fuel Mixed (Gasoline and Two-stroke Oil) 
Gasoline / Oil Ratio 50:1
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
ISO-L-EGD (ISO/CD 13738) and J.A.S.O. 
M345- FD, two-stroke, air-cooled engine oil.
Fuel Tank Capacity 0.42 l (14.2 US fl. oz.) 
Starter System Automatic Rewind Starter
Clutch Centrifugal Type
Drive Shaft 6.0 mm (0.24 in.) flexible shaft
Rotating Direction Clockwise; viewed from top
Cutter Head 2-Line Rapid-Loader
TM
 head (nylon lines)
Handles
  Front
  Rear
D-Loop type with plastic grip
Plastic grip with throttle trigger and switch
Idle Speed 3,000 RPM
Clutch Engagement 
Speed
4,300 RPM 
Wide Open Throttle 
Speed
7,500 RPM