Honda GP200 Specifications
| Engine Model: Honda GP200 |
| Engine Type: 4-cycle single-cylinder OHV air-cooled gasoline |
| Total Displacement: 12.1 cu.in (196 cc) |
| Rated Engine Power: 5.5 Hp (4.1 kW) at 3600 rpm |
| Carburetor Type: Horizontal with butterfly valve |
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Engine Model ................. Honda GP200H
Engine Type ................. 4-cycle 1-cylinder OHV air-cooled small gasoline
Number of Cylinders ................. Single
Displacement, cu.in (cc) ................. 12.1 (196)
Cylinder Bore, in (mm) ................. 2.68 (68.0)
Piston Stroke, in (mm) ................. 2.13 (54.0)
Rated Engine Power, hp (kW) ................. 5.5 (4.1)
Rated Engine Speed, rpm ................. 3600
Maximum Torque, Nm (ft-lbs) ................. 12.4 (9.1)
Torque Speed, rpm ................. 2500
Compression Ratio ................. 8.5:1
Lubrication System ................. Splash type
Cooling System ................. Forced air
Ignition System ................. Transistorized magneto
Starting System ................. Recoil starter
Electrical System Rating, Volts .................. 12
Fuel System Type ................. Carburetor
Carburetor Type ................. Horizontal with butterfly valve
Fuel Consumption, g/HPh ................. 300
Fuel Type ................. Gasoline (86 or higher)
Fuel Tank Capacity, qts (L) ................. 3.3 (3.1)
Overall Length, in (mm) ................. 12.7 (325)
Overall Width, in (mm) ................. 14.9 (380)
Overall Height, in (mm) ................. 13.2 (335)
Net Weight, lbs (kg) ................. 43.1 (19.5)
Cylinder Compression, psi (kPa) ................. 51 (350)
Cylinder Bore Inside Diameter (Std), in (mm) ................. 2.6772 (68.000)
Cylinder Bore Inside Diameter (Wear Limit), in (mm) ................. 2.6779 (68.020)
Piston Skirt Outside Diameter (Std), in (mm) ................. 2.6758 (67.965)
Piston Skirt Outside Diameter (Wear Limit), in (mm) ................. 2.6766 (67.985)
Connecting Rod Small End I.D, in (mm) .................. 0.7089-0.7093 (18.006-18.017)
Connecting Rod Big End I.D, in (mm) .................. 1.1817-1.1821 (30.015-30.025)
Crankpin Outside Diameter (Std), in (mm) .................. 1.1803 (29.980)
Crankpin Outside Diameter (Wear Limit), in (mm) .................. 1.1799 (29.970)
Top Ring Width, in (mm) .................. 0.0374-0.0382 (0.950-0.970)
Middle Ring Width, in (mm) .................. 0.0370-0.0378 (0.940-0.960)
Top Ring Side Clearance, in (mm) .................. 0.0014-0.0028 (0.035-0.070)
Middle Ring Side Clearance, in (mm) .................. 0.0018-0.0032 (0.045-0.080)
Top Ring End Gap, in (mm) .................. 0.008-0.014 (0.20-0.35)
Middle Ring End Gap, in (mm) .................. 0.014-0.020 (0.35-0.50)
Oil Ring End Gap, in (mm) .................. 0.008-0.028 (0.20-0.70)
Cylinder Head (Max Out of Flatness), in (mm) ................. 0.004 (0.10)
Intake Valve Clearance, in (mm) ................. 0.005-0.007 (0.13-0.17)
Exhaust Valve Clearance, in (mm) ................. 0.007-0.009 (0.18-0.22)
Intake Valve Stem Outside Diameter (Std), in (mm) ................. 0.216 (5.480)
Intake Valve Stem Outside Diameter (Wear Limit), in (mm) ................. 0.215 (5.468)
Exhaust Valve Stem Outside Diameter (Std), in (mm) ................. 0.214 (5.440)
Exhaust Valve Stem Outside Diameter (Wear Limit), in (mm) ................. 0.213 (5.425)
Intake Valve Guide Inside Diameter, in (mm) ................. 0.2165-0.2170 (5.500-5.512)
Exhaust Valve Guide Inside Diameter, in (mm) ................. 0.2165-0.2170 (5.500-5.512)
Camshaft Journal Outside Diameter (Std), in (mm) ................. 0.5506 (13.984)
Camshaft Journal Outside Diameter (Wear Limit), in (mm) ................. 0.5498 (13.966)
Intake Cam Height, in (mm) ................. 1.0827-1.0984 (27.50-27.90)
Exhaust Cam Height, in (mm) ................. 1.0845-1.1003 (27.55-27.95)
Spark Plug Type ................. NGK BPR6ES, Denso W20EPR-U
Spark Plug Gap, in (mm) ................. 0.028-0.031 (0.70-0.80)
Ignition Coil Air Gap, in (mm) ................. 0.01-0.02 (0.20-0.60)
Ignition Timing, deg ................. 20 BTDC
Engine Oil Type (Summer) ................. SAE 10W-30
Engine Oil Type (Winter) ................. SAE 10W
API Service Classifications ................. SE or higher
Oil Capacity, qts (L) ................. 0.65 (0.60)
Carb Main Jet ................. #78
Float Height, in (mm) ................. 0.54 (13.7)
Pilot Screw Opening ................. 2-1/2 turns out
Low Idle Speed, rpm ................. 1400±150
High Idle Speed, rpm ................. 3850±150
Cylinder Head Bolt, Nm (ft-lb) ................. 24 (18)
Air Cleaner Mounting Nut, Nm (ft-lb) ................. 9 (6.6)
Crankcase Cover Bolt, Nm (ft-lb) ................. 24 (18)
Oil Drain Plug Bolt, Nm (ft-lb) ................. 18 (13.2)
Connecting Rod Bolt, Nm (ft-lb) ................. 12 (8.6)
Flywheel Nut, Nm (ft-lb) ................. 75 (54)
Fuel Tank Bolt, Nm (ft-lb) ................. 10 (7)
Muffler Mounting Nut, Nm (ft-lb) ................. 24 (18)
Rocker Arm Pivot Bolt, Nm (ft-lb) ................. 24 (18)
Oil Level Switch Joint Nut, Nm (ft-lb) ................. 10 (7)
Recoil Starter Screw, Nm (ft-lb) ................. 10 (7)
Spark Plug, Nm (ft-lb) ................. 18 (13.2)
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