The Honda GX200T is a196 cc, (11.96 cu·in) natural aspirated single-cylinder four-stroke air-cooled internal combustion small gasoline engine with a horizontal shaft, manufactured by Honda Motor Company for general-purpose applications.
A 68.0 mm (2.68 in) cylinder bore and 54.0 mm (2.13 in) piston stroke give the GX200T engine a total of 196 cc of displacement. The compression ratio rating is 7.65:1 or 8.5:1.
This engine produced 6.5 PS (4.8 kW; 6.4 HP) at 3,600 rpm of horsepower and 13.2 N·m (1.3 kg·m, 9.7 ft·lb) at 2,500 rpm of torque.
The Honda GX200T features:
- Overhaed valve (OHV) design
- Transistorized magneto ignition system
- Horizontal type carburetor with butterfly valve
- Centrifugal governor
- Forced splash lubrication system
- Forced air cooling system
- Recoil starter
General information
| Engine Specifications | |
| Engine model | GX200T |
| Engine type | 4-stroke, OHV, single-cylinder |
| Displacement | 196 cm3, (11.96 cu·in) |
| Max. horsepower | Crank P.T.O: 6.5 PS (4.8 kW; 6.4 HP) at 3,600 rpm With 1/2 reduction: 6.5 PS (4.8 kW; 6.4 HP) at 1,800 rpm With 1/6 reduction: 6.5 PS (4.8 kW; 6.4 HP) at 600 rpm |
| Max. torque | Crank P.T.O: 13.2 N·m (1.35 kg·m, 9.8 ft·lb) at 2,500 rpm With 1/2 reduction: 26.5 N·m (2.7 kg·m, 19.5 ft·lb) at 1,250 rpm With 1/6 reduction: 79.5 N·m (8.1 kg·m, 58.6 ft·lb) at 420 rpm |
| Cooling system | Forced air |
| Air cleaner | Dual silent type, Semi-dry type, Oil bath type, Cyclone type |
| Lubricating system | Forced splash |
| Ignition system | Transistorized magneto ignition |
| Fuel system | Horizontal type carburetor with butterfly valve |
| Fuel consumption | 230 g/PSh |
| Fuel tank capacity | 3.6 L (0.95 US. gal. 0.79 Imp. gal.) |
| Fuel used | Unleaded gasoline (octane number 86 or higher) |
| Starting system | Recoil starter |
| Stoping system | Ignition primary circuit ground |
| Governor | Centrifugal governor |
| PTO shaft rotation | Counterclockwise (from PTO shaft side) |
| Dimensions (L x W X H) | – |
| Dry weight | – |
Cylinder Block and Head
| Cylinder block | |
| Compression ratio: | 7.65:1 or 8.5:1 |
| Cylinder bore: | 68.0 mm (2.68 in) |
| Piston stroke: | 54.0 mm (2.13 in) |
| Cylinder internal diameter (standard): | 68.000 mm (2.6772 in) |
| Piston skirt outer diameter (standard): | 67.985 mm (2.6766 in) |
| Number of piston rings (compression / oil): | 2/1 |
| Connecting rod big end diameter (standard): | 30.020 mm (1.1819 in) |
| Connecting rod small end diameter (standard): | 18.002 mm (0.7087 in) |
| Piston pin diameter: | 18.000 mm (0.7087 in) |
| Side clearance (Top): | 0.015-0.045 mm (0.0006-0.0018 in) |
| Side clearance (Second): | 0.015-0.045 mm (0.0006-0.0018 in) |
| Ring end gap (Top): | 0.250-0.400 mm (0.0098-0.0157 in) |
| Ring end gap (Second): | 0.250-0.400 mm (0.0098-0.0157 in) |
| Ring width (Top): | 1.5 mm (0.0591 in) |
| Ring width (Second): | 1.5 mm (0.0591 in) |
| Crankpin journal diameter: | 29.980 mm (1.1803 in) |
| Crankshaft center distance: | 27 mm (1.065 in) |
| Cylinder head | |
| Valve arrangement: | OHV, gear driven |
| Valves: | 2 |
| Valve steam diameter (INTAKE): | 5.480 mm (0.2157 in) |
| Valve steam diameter (EXHAUST): | 5.440 mm (0.2142 in) |
| Valve spring free length (INTAKE): | 30.5 mm (1.2008 in) |
| Valve spring free length (EXHAUST): | 30.5 mm (1.2008 in) |
| Camshaft lobe height (INTAKE): | 27.700 mm (1.0905 in) |
| Camshaft lobe height (EXHAUST): | 27.750 mm (1.0925 in) |
| Camshaft journal diameter : | 13.984 mm (0.5506 in) |
Tightening torque specs
| Tightening torque specs | |
| Connecting rod bolt | 12 Nm; 1.2 kg·m; 9 ft·lb |
| Cylinder head bolt | 24 Nm; 2.4 kg·m; 17 ft·lb |
| Flywheel nut | 75 Nm; 7.5 kg·m; 54 ft·lb |
| Rocker arm pivot lock nut | 10 Nm; 1.0 kg·m; 7 ft·lb |
| Rocker arm pivot bolt | 24 Nm; 2.4 kg·m; 17 ft·lb |
| Crankcase cover bolt | 12 Nm; 1.2 kg·m; 9 ft·lb |
| Oil level switch joint nut | 10 Nm; 1.0 kg·m; 7 ft·lb |
| Oil drain bolt | 18 Nm; 1.8 kg·m; 13 ft·lb |
| Standard torque values | |
| Bolt, nut (5 mm) | 5.5 Nm; 0.55 kg·m; 4.0 ft·lb |
| Bolt, nut (6 mm) | 10 Nm; 1.0 kg·m; 7 ft·lb |
| Bolt, nut (8 mm) | 24 Nm; 2.4 kg·m; 17 ft·lb |
| Bolt, nut (10 mm) | 37.5 Nm; 3.75 kg·m; 27 ft·lb |
| Bolt, nut (12 mm) | 55 Nm; 5.5 kg·m; 40 ft·lb |
Service Data
| Engine | |
| Maximum speed: | 3,600-4,000 rpm |
| Idle speed: | 1,250-1,550 rpm |
| Cylinder compression: | 3.6 kg/cm2 (353 kPa; 51 psi) at 600 rpm |
| Valve clearance | |
| Intake valve clearance: | 0.15±0.02 mm (0.006±0.001 in) |
| Exhaust valve clearance: | 0.20±0.02 mm (0.008±0.001 in) |
| Oil system | |
| Lubrication system: | Forced splash |
| Oil type: | Honda 4-stroke or an equivalent (SE or SF) |
| Recommended oil: | SAE 10W-30, 10W-40 |
| Oil capacity: | 0.6 L (0.63 US. qt, 0.53 Imp. qt.) |
| Fuel system | |
| Type: | Horizontal type carburetor with butterfly valve |
| Main jet: | Externally-vent carb with dual-element silent air cleaner: #72 Externally-vent carb with oil bath or semi-dry air cleaner: #75 Internally-vent carb with dual-element silent air cleaner: #78 Internally-vent carb with cyclone air cleaner: #75 |
| Float height: | 13.7 mm (0.5394 in) |
| Pilot screw opening: | Ext-vent carb with dual-element silent air cleaner: 2 turns out Ext-vent carb with oil bath or semi-dry air cleaner: 2-1/4 turns out Int-vent carb with dual-element silent air cleaner: 2-1/4 turns out Int-vent carb with cyclone air cleaner: 2-1/4 turns out |
| Ignition system | |
| Type: | Transistorized magneto ignition |
| Ignition timing: | 20° B.T.D.C. (Fixed) |
| Spark plug: | NGK: BP6ES, BPR6ES NIPPONDENSO: W20EP-U, W20EPR-U |
| Spark plug gap: | 0.7-0.8 mm (0.0276-0.0315 in) |
| Spark plug torque: | 18 N·m (1.8 kg·m, 13.3 ft·lb) |
| Ignition coil air gap | 0.2-0.6 mm (0.0079-0.0236 in) |
Applications
| Manufacturer or Brand | Models |
| Generators | |
| Honda | EB3000c, ECM2800 |
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