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Honda GV100 Specifications
The Honda GV100 is a 97 cc (5.9 cubic inches) one-cylinder air-coolled four-stroke internal combustion small gasoline engine with vertical shaft
manufactured by Honda Motor Company.
The Honda GV100 engine has a side-valve design with camshaft driven by a timing chain. It has a recoil starter, horizontal butterfly type carburetor,
and flywheel magneto ignition system.
The cylinder bore is 52.0 mm (2.04 in) and the piston stroke is 46.0 mm (1.81 in). Compression ratio rating is 6.5:1. The Honda GV100 motor
produced 2.6 HP (1.9 kW) at 4200 rpm of power and 4.3 Nm (0.43 kgm) at 3000 rpm of torque.
| General Technical Data |
Engine Model .............. Honda GV100
Engine Type .............. 4-cycle 1-cylinder air-cooled small gasoline engine
Number of Cylinders .............. Single
Displacement, cu.in (cc) .............. 5.9 (97)
Cylinder Bore, in (mm) .............. 2.04 (52.0)
Piston Stroke, in (mm) .............. 1.81 (46.0)
Rated Engine Power, hp (kW) .............. 2.6 (1.9)
Rated Engine Speed, rpm .............. 4200
Maximum Torque, Nm (ft-lbs) .............. 4.3 (3.2)
Torque Speed, rpm .............. 3000
Compression Ratio .............. 5.6:1
PTO Shaft Rotation .............. Counterclockwise (from PTO side)
Lubrication System .............. Forced splash type
Air Cleaner .............. Single element
Cooling System .............. Forced air
Ignition System .............. Transistorized magneto
Stopping System .............. Primary circuit ground
Starting System .............. Recoil starter
| Fuel System |
Fuel System Type .............. Carburetor
Carburetor Type .............. Horizonal, butterfly valve
Governor Type .............. Centrifugal
Fuel Tank Capacity, qts (L) .............. 0.95 (0.90)
Fuel Type .............. Gasoline (86 or higher)
| Dimensions and Weight |
Overall Length, in (mm) .............. 15.4 (390)
Overall Width, in (mm) .............. 14.1 (357)
Overall Height, in (mm) .............. 8.9 (227)
Dry Weight, lbs (kg) .............. 19.6 (8.9)
Operating Weight, lbs (kg) .............. 21.8 (9.9)
| Cylinder Block |
Cylinder Bore Inside Diameter (Std), in (mm) .............. 2.0472-2.2478 (52.000-52.015)
Cylinder Bore Inside Diameter (Wear Limit), in (mm) .............. 2.0492 (52.050)
Connecting Rod Small End Inside Diameter (Std), in (mm) .............. 0.395 (10.006)
Connecting Rod Small End Inside Diameter (Wear Limit), in (mm) .............. 0.396 (10.050)
Connecting Rod Big End Inside Diameter (Std), in (mm) .............. 0.709 (18.000)
Connecting Rod Big End Inside Diameter (Wear Limit), in (mm) .............. 0.710 (18.040)
Connecting Rod Big End Oil Clearance, in (mm) .............. 0.001 (0.027)
Crank Pin Outside Diameter (Std), in (mm) .............. 0.7080 (17.984)
Crank Pin Outside Diameter (Wear Limit), in (mm) .............. 0.7060 (17.940)
| Cylinder Head and Valves |
Number of Valves .............. 2
Cylinder Head (Max Out of Flatness), in (mm) .............. 0.004 (0.10)
Intake Valve Clearance, in (mm) .............. 0.0031-0.0063 (0.080-0.160)
Exhaust Valve Clearance, in (mm) .............. 0.0031-0.0063 (0.080-0.160)
Intake Valve Stem Outside Diameter (Std), in (mm) .............. 0.2161 (5.490)
Intake Valve Stem Outside Diameter (Wear Limit), in (mm) .............. 0.214 (5.440)
Exhaust Valve Stem Outside Diameter (Std), in (mm) .............. 0.2144 (5.445)
Exhaust Valve Stem Outside Diameter (Wear Limit), in (mm) .............. 0.213 (5.400)
Intake Valve Guide Inside Diameter, in (mm) .............. 0.217 (5.500)
Exhaust Valve Guide Inside Diameter, in (mm) .............. 0.217 (5.500)
Intake Valve Guide To Stem Clearance, in (mm) .............. 0.0004-0.0014 (0.010-0.032)
Exhaust Valve Guide To Stem Clearance, in (mm) .............. 0.0022-0.0030 (0.055-0.077)
Valve Seat Width (Intake/Exhaust), in (mm) .............. 0.028 (0.70)
Valve Spring Free Length, in (mm) .............. 1.07 (27.10)
Cam Height (Intake), in (mm) .............. 0.859 (21.82)
Cam Height (Exhaust), in (mm) .............. 0.859 (21.82)
| Piston and Piston Rings |
Piston Skirt Outside Diameter (Std), in (mm) .............. 2.0470 (51.995)
Piston Skirt Outside Diameter (Wear Limit), in (mm) .............. 2.0440 (51.930)
Piston to Cylinder Bore Clearance (Std), in (mm) .............. 0.0002-0.0014 (0.005-0.035)
Piston to Cylinder Bore Clearance (Wear Limit), in (mm) .............. 0.005 (0.12)
Piston Pin Outside Diameter (Std), in (mm) .............. 0.394 (10.000)
Piston Pin Outside Diameter (Wear Limit), in (mm) .............. 0.392 (9.950)
Top Ring Groove Side Clearance, in (mm) .............. 0.004-0.006 (0.100-0.135)
Second Ring Groove Side Clearance, in (mm) .............. 0.004-0.006 (0.100-0.135)
Top Ring End Gap, in (mm) .............. 0.006-0.012 (0.15-0.30)
Second Ring End Gap, in (mm) .............. 0.006-0.012 (0.15-0.30)
Oil Ring End Gap, in (mm) .............. 0.008-0.030 (0.20-0.70)
Ring End Gap (Wear Limit), in (mm) .............. 0.04 (1.00)
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