The Honda GV100 is a 97 cc, (5.92 cu·in) natural aspirated single-cylinder four-stroke air-cooled internal combustion small gasoline engine with a vertical shaft, manufactured by Honda Motor Company for general-purpose applications.
This engine produced 2.6 PS (1.9 kW; 2.5 HP) at 4,200 rpm of horsepower and 4.3 N·m (0.4 kg·m, 3.2 ft·lb) at 3,000 rpm of torque. A 52.0 mm (2.05 in) cylinder bore and 46.0 mm (1.81 in) piston stroke give the GV100 engine a total of 97 cc (5.92 cu·in) of displacement. The compression ratio rating is 5.6:1.
The Honda GV100 features:
- Transistorized magneto ignition system
- Horizontal carburetor with butterfly valve
- Splash type lubrication system
- Forced air cooling system
- Recoil starter
General information
| Engine Specifications | |
| Engine model | GV100 K1 |
| Engine type | 4-stroke, single-cylinder |
| Displacement | 97 cm3, (5.92 cu·in) |
| Max. horsepower | 2.6 PS (1.9 kW; 2.5 HP) at 4,200 rpm |
| Max. torque | 4.3 N·m (0.4 kg·m, 3.2 ft·lb) at 3,000 rpm |
| Cooling system | Forced air |
| Lubricating system | Splash type |
| Ignition system | Transistorized magneto ignition |
| Fuel system | Horizontal carburetor with butterfly valve |
| Fuel tank capacity | 0.9 L (0.24 US. gal. 0.2 Imp. gal.) |
| Fuel used | Unleaded gasoline (octane number 86 or higher) |
| Starting system | Recoil starter |
| Stoping system | Ignition primary circuit ground |
| Governor | Centrifugal govervor |
| PTO shaft rotation | Counterclockwise (from PTO shaft side) |
| Dimensions (L x W X H) | 390 x 257 x 227 mm (15.4 x 10.1 x 8.9 in) |
| Dry weight | 8.9 kg (19.6 lbs) |
Cylinder Block and Head
| Cylinder block | |
| Compression ratio: | 5.6:1 |
| Cylinder bore: | 52.0 mm (2.05 in) |
| Piston stroke: | 46.0 mm (1.81 in) |
| Cylinder internal diameter (standard): | 52.000 mm (2.0472 in) |
| Piston skirt outer diameter (standard): | 51.995 mm (2.047 in) |
| Number of piston rings (compression / oil): | 2/1 |
| Connecting rod big end diameter (standard): | 18.000 mm (0.7087 in) |
| Connecting rod small end diameter (standard): | 10.006 mm (0.3939 in) |
| Side clearance (Top): | 0.100-0.135 mm (0.0039-0.0053 in) |
| Side clearance (Second): | 0.100-0.135 mm (0.0039-0.0053 in) |
| Side clearance (Oil): | 0.100-0.135 mm (0.0039-0.0053 in) |
| Ring end gap (Top): | 0.15-0.30 mm (0.0059-0.0118 in) |
| Ring end gap (Second): | 0.15-0.30 mm (0.0059-0.0118 in) |
| Ring end gap (Oil): | 0.20-0.70 mm (0.0079-0.0276 in) |
| Crankpin journal diameter: | 17.984 mm (0.708 in) |
| Crankshaft center distance: | 23 mm (0.905 in) |
| Cylinder head | |
| Valves: | 2 |
| Valve steam diameter (INTAKE): | 5.490 mm (0.2161 in) |
| Valve steam diameter (EXHAUST): | 5.445 mm (0.2144 in) |
| Valve spring free length (INTAKE): | 27.10 mm (1.0669 in) |
| Valve spring free length (EXHAUST): | 27.10 mm (1.0669 in) |
| Camshaft lobe height (INTAKE): | 21.82 mm (0.8591 in) |
| Camshaft lobe height (EXHAUST): | 21.82 mm (0.8591 in) |
Tightening torque specs
| Tightening torque specs | |
| Cylinder head (6 mm bolts, nuts) | 8-12 Nm; 0.8-1.2 kg·m; 5.8-8.7 ft·lb |
| Oil pan | 8-12 Nm; 0.8-1.2 kg·m; 5.8-8.7 ft·lb |
| Connecting rod cap (5 mm bolt) | 4-6 Nm; 0.4-0.6 kg·m; 2.9-4.3 ft·lb |
| Carburetor (5 mm nuts) | 4-6 Nm; 0.4-0.6 kg·m; 2.9-4.3 ft·lb |
| Governor arm (6 mm nut) | 8-12 Nm; 0.8-1.2 kg·m; 5.8-8.7 ft·lb |
| Flywheel (12 mm nut) | 45-55 Nm; 4.5-5.5 kg·m; 32-40 ft·lb |
| Side plate | 8-12 Nm; 0.8-1.2 kg·m; 5.8-8.7 ft·lb |
| Tappet cover | 8-12 Nm; 0.8-1.2 kg·m; 5.8-8.7 ft·lb |
| Air cleaner case | 7-10 Nm; 0.7-1.0 kg·m; 5.1-7.2 ft·lb |
| Muffler | 13-17 Nm; 1.3-1.7 kg·m; 9.4-12 ft·lb |
| Others | |
| 5 mm bolts, nuts | 4-7 Nm; 0.4-0.7 kg·m; 2.9-5.1 ft·lb |
| 6 mm bolts, nuts | 8-12 Nm; 0.8-1.2 kg·m; 5.8-8.7 ft·lb |
| 8 mm bolts, nuts | 20-28 Nm; 2.0-2.8 kg·m; 14.5-20.3 ft·lb |
| 10 mm bolts, nuts | 35-40 Nm; 3.5-4.0 kg·m; 25-29 ft·lb |
Service Data
The Honda 4-stroke or an equivalent (SG.SF/CC.CD) oil with a viscosity of SAE 10W-30 is recommended for the GV100 K1, refilling oil capacity is 0.4 L (0.42 US. qt, 0.35 Imp. qt.). Recommended spark plug is NGK: BMR-4A NIPPONDENSO: W14MR-U with 0.6-0.7 mm (0.0236-0.0276 in) spark plug gap.
| Engine | |
| Maximum speed: | 3,000 rpm |
| Idle speed: | 2000 ± 150 rpm |
| Cylinder compression: | 2.0-4.0 kg/cm2 at 600 rpm 8.2 kg/cm2 at 1200 rpm |
| Valve clearance | |
| Intake valve clearance: | 0.08-0.16 mm (0.0031-0.0063 in) |
| Exhaust valve clearance: | 0.08-0.16 mm (0.0031-0.0063 in) |
| Oil system | |
| Lubrication system: | Splash type |
| Oil type: | SAE 10W-30 |
| Recommended oil: | Honda 4-stroke or an equivalent (SG.SF/CC.CD) |
| Oil capacity: | 0.4 L (0.42 US. qt, 0.35 Imp. qt.) |
| Fuel system | |
| Type: | Horizontal carburetor with butterfly valve |
| Main jet: | #58 |
| Float height: | 12.0±1.5 m mm (0.4724 in) |
| Pilot screw opening: | 2 3/8 turns out |
| Ignition system | |
| Type: | Transistorized magneto ignition |
| Ignition timing: | 20° B.T.D.C (Fixed) |
| Spark plug: | NGK: BMR-4A NIPPONDENSO: W14MR-U |
| Spark plug gap: | 0.6-0.7 mm (0.0236-0.0276 in) |
| Ignition coil air gap | 0.2-0.6 mm (0.0079-0.0079 in) |
Author:
Be the first to comment