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Trimmers & Brushcutters
Specifications
| MODEL | SRM-2120 |
|---|---|
| Length (w/o cutter head) | 1,775 mm (69.9 in.) |
| Width | 244 mm (9.6 in.) |
| Height | 329 mm (13.0 in.) |
| Weight (dry, w/o cutter head) | 4.4 kg (9.7 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 in³) |
| Exhaust | Spark arrestor muffler or spark arrestor muffler with catalyst |
Fuel & Ignition:
| Carburetor | Diaphragm with purge pump |
|---|---|
| Ignition System | Flywheel magneto, capacitor discharge |
| Spark Plug | NGK BPM8Y (BPMR8Y in Canada), Gap 0.65 mm (0.026 in.) |
| Fuel | Mixed gasoline & two-stroke oil |
| Gasoline/Oil Ratio | 50:1 |
| Gasoline | 89 Octane unleaded, no E20 or E85 |
| Oil | ISO-L-EGD, J.A.S.O. M345-FD |
| Fuel Tank Capacity | 0.38 L (12.8 US fl. oz.) |
Drivetrain:
| Starter System | Automatic rewind starter |
|---|---|
| Clutch | Centrifugal type |
| Vibration Reduction Systems | Without |
| Operating Rod | 25.0 mm (1.0 in.) diameter aluminum tube |
| Drive Shaft | 6.0 mm (0.24 in.) flexible shaft |
| Gear Case Ratio | 1.62:1 |
| Rotating Direction | Counterclockwise (viewed from top) |
Cutter Head:
| Type | Rapid Loader® Head (2-line) |
|---|
Handle:
| Front | D-loop type without anti-vibration |
|---|---|
| Rear | Plastic grip |
Extras:
| Shoulder Harness | Optional |
|---|
Engine Speeds:
| Idle Speed | 3,000 RPM |
|---|---|
| Clutch Engagement Speed | 4,200 RPM |
| Wide Open Throttle Speed (W.O.T.) | 10,000 RPM |