HCA-266 SPECIFICATIONS
X7502028600 33
© 10/2014 ECHO Inc.
SPECIFICATIONS
MODEL HCA-266
Length  2365 mm (93.1 in.) 
Width  250 mm (9.85 in.) 
Height  250 mm (9.85 in.) 
Weight (dry) 7.12 kg (15.7 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 w/purge pump 
Ignition System Flywheel magneto, capacitor discharge ignition type 
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
TM
 or ECHO Red Armor
®
 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
 or ECHO Red Armor
®
 Premium Universal 2-Stroke Oil 
Fuel Tank Capacity 0.5 L (16.9 US fl. oz.) 
Starter System Automatic Recoil Starter 
Clutch Centrifugal Type 
Gear Case Ratio 3.95:1
Cutter Double Reciprocating Blade, Double Edge 
   Length 446 mm (17.7 in.)
   Pitch  35 mm (1.1 in.)
Maximum Diameter Cut:
   Soft Material  25.4 mm (1 in.)
   Woody Material 13 mm (1/2 in.)
Cutting Angle Adjustment -30 ~ 150 (total180) Degrees in 15 degree increments
Idle Speed 2,900 RPM 
Clutch Engagement Speed 3,900 RPM 
Wide Open Throttle Speed (W.O.T.) 10,250 RPM