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Trimmers & Brushcutters
Specifications
SRM-410U Specifications
| Specification | Value |
|---|---|
| Length | 1860 mm (73.2 in.) |
| Width | 630 mm (24.8 in.) |
| Height | 470 mm (18.5 in.) |
| Weight (dry) w/Cutter Head | 8.3 kg (18.3 lb.) |
Engine
| Specification | Value |
|---|---|
| Type | Air cooled, two-stroke, single-cylinder gasoline engine |
| Bore | 40.0 mm (1.58 in.) |
| Stroke | 34.0 mm (1.34 in.) |
| Displacement | 42.7 cc (2.61 cu. in.) |
Exhaust
| Specification | Value |
|---|---|
| Exhaust Type | Spark arrester muffler or spark arrester muffler with catalyst |
Carburetor
| Specification | Value |
|---|---|
| Carburetor Type | Walbro w/purge pump |
Ignition System
| Specification | Value |
|---|---|
| Type | Flywheel magneto, capacitor discharge ignition type |
| Spark Plug | NGK BPM7A (Gap 0.65 mm (0.026 in.)) |
Fuel & Lubrication
| Specification | Value |
|---|---|
| Fuel Type | Mixed (Gasoline and Two-stroke Oil) |
| Fuel/Oil Ratio | 50:1 |
| Gasoline | Use 89 Octane unleaded. Do not use fuel containing methyl alcohol, more than 10 % ethyl alcohol, or 15 % TBE. Do not use alternative fuels such as E-20 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 | 1.0 L (33.8 US fl. oz.) |
Starter & Clutch System
| Specification | Value |
|---|---|
| Starter System | Automatic Rewind Starter |
| Clutch | Centrifugal Type |
Vibration Isolated System
| Specification | Value |
|---|---|
| System Type | Rubber cushion on engine mount (heavy duty). Rubber grip on front handle. |
Shaft & Transmission
| Specification | Value |
|---|---|
| Operating Rod | 28.0 mm aluminum Tube |
| Drive Shaft | 8.0 mm |
| Gear Case Ratio | 1.33 Reduction |
| Rotating Direction | Counter Clockwise; viewed from top |
Cutter Head
| Specification | Value |
|---|---|
| Type | 10 in. 80 - tooth blade |
Handle & Accessories
| Specification | Value |
|---|---|
| Handle | U-Handle |
| Shoulder Harness | Standard |
Performance
| Specification | Value |
|---|---|
| Idle Speed | 2300 - 2700 RPM |
| Clutch Engagement Speed | 3500 RPM |
| Wide Open Throttle Speed (W.O.T.) | 10000 - 11500 RPM |