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Blowers
Specifications
ES-250 Specifications
Physical Dimensions
| Specification | Value |
|---|---|
| Length | 330 mm (13.0 in.) (without pipes) |
| Width | 280 mm (11.0 in.) |
| Height | 345 mm (13.6 in.) |
| Weight (Dry) | 4.3 kg (9.5 lb.) |
Engine
| Specification | Value |
|---|---|
| Type | Air-cooled, two-stroke, single-cylinder gasoline engine |
| Bore | 34.0 mm (1.34 in.) |
| Stroke | 28.0 mm (1.1 in.) |
| Displacement | 25.4 cc (1.55 in³) |
Exhaust System
| Specification | Value |
|---|---|
| Exhaust | Spark arrester muffler or spark arrester muffler with catalyst |
Fuel & Lubrication
| Specification | Value |
|---|---|
| Carburetor | Diaphragm with purge pump |
| Ignition System | Flywheel magneto, capacitor discharge ignition type |
| Spark Plug | NGK BPM8Y - Gap 0.65 mm (0.026 in.) (NGK BPMR8Y in Canada) |
| Fuel Type | 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 | 0.5 L (16.9 US fl. oz.) |
Starter System
| Specification | Value |
|---|---|
| Starter Type | Automatic recoil starter, centrifugal type |
Performance
| Specification | Value |
|---|---|
| Idle Speed | 3,000 RPM |
| Wide Open Throttle Speed | 7,100 RPM |
| Average Air Speed (with pipes) | 62.6 m/sec (140 MPH) |
| Maximum Air Speed (with pipes) | 73.76 m/sec (165 MPH) |
| Air Volume | 11.07 m³/min. (391 ft³/min.) |
Noise Level
| Specification | Value |
|---|---|
| Sound Level at 50 ft. dB(A) per ANSI B175.2 | 70 dB(A) |