The Honda GXV610 K1 is a 0.6 L (614 cc, 37.5 cu·in) natural aspirated V-twin four-stroke air-cooled internal combustion small gasoline engine with a vertical shaft, manufactured by Honda Motor Company for general-purpose applications.
Cylinder bore and piston stroke are 77.0 mm (3.03 in) and 66.0 mm (2.6 in), respectively. The compression ratio rating is 8.3:1.
The Honda GXV610 K1 engine produced 18.2 PS (13.4 kW; 18.0 HP) at 3,600 rpm of maximum output power and 43.1 N·m (4.4 kg·m, 31.8 ft·lb) at 2,500 rpm of peak torque.
The Honda GXV610 K1 features:
- OHV design
- Transistorized magneto ignition system
- Horizontal carburetor with butterfly valve
- Centrifugal govervor
- Forced lubrication system
- Forced air cooling system
- Recoil and electric starter, or electric starter only
General information
Engine Specifications | |
Engine model | GXV610 K1 |
Engine type | 4-stroke, OHV, V-twin |
Displacement | 614 cm3, (37.5 cu·in) |
Max. horsepower | 18.2 PS (13.4 kW; 18.0 HP) at 3,600 rpm |
Max. torque | 43.1 N·m (4.4 kg·m, 31.8 ft·lb) at 2,500 rpm |
Cooling system | Forced air |
Air cleaner | Dual element type |
Lubricating system | Forced lubrication |
Ignition system | Transistorized magneto ignition |
Fuel system | Horizontal carburetor with butterfly valve |
Fuel consumption | 230 g/HPh |
Fuel tank capacity | – |
Fuel used | Unleaded gasoline (octane number 86 or higher) |
Starting system | Recoil and electric starter, or electric starter only |
Stoping system | Ignition primary circuit ground |
Governor | Centrifugal govervor |
PTO shaft rotation | Counterclockwise (from PTO shaft side) |
Dimensions (L x W X H) | 459 x 457 x 431 mm (18.1 x 18 x 17 in) |
Dry weight | 43.0 kg (94.8 lbs) |
Cylinder Block and Head
Cylinder block | |
Compression ratio: | 8.3:1 |
Cylinder bore: | 77.0 mm (3.03 in) |
Piston stroke: | 66.0 mm (2.6 in) |
Cylinder internal diameter (standard): | 76.985 mm (3.0309 in) |
Number of piston rings (compression / oil): | 2/1 |
Connecting rod small end diameter (standard): | 18.005 mm (0.7089 in) |
Piston pin diameter: | 18.000 mm (0.7087 in) |
Side clearance (Top): | 0.030-0.060 mm (0.0012-0.0024 in) |
Side clearance (Second): | 0.030-0.060 mm (0.0012-0.0024 in) |
Ring end gap (Top): | 0.200-0.400 mm (0.0079-0.0157 in) |
Ring end gap (Second): | 0.200-0.400 mm (0.0079-0.0157 in) |
Ring width (Top): | 1.990 mm (0.0783 in) |
Ring width (Second): | 1.990 mm (0.0783 in) |
Crankshaft main journal diameter: | 38.000 mm (1.4961 in) |
Crankpin journal diameter: | 39.995 mm (1.5746 in) |
Cylinder head | |
Valve arrangement: | OHV |
Valves: | 2 (4 valves in total) |
Valve steam diameter (INTAKE): | 6.590 mm (0.2594 in) |
Valve steam diameter (EXHAUST): | 6.550 mm (0.2579 in) |
Valve spring free length (INTAKE): | 39.0 mm (1.5354 in) |
Valve spring free length (EXHAUST): | 39.0 mm (1.5354 in) |
Camshaft lobe height (INTAKE): | 29.865 mm (1.1758 in) |
Camshaft lobe height (EXHAUST): | 29.865 mm (1.1758 in) |
Camshaft journal diameter : | 16.985 mm (0.6687 in) |
Tightening torque specs
Tightening torque specs | |
Connecting rod bolt | 12 Nm; 1.2 kg·m; 9 ft·lb |
Cylinder head bolt | 34 Nm; 3.5 kg·m; 25 ft·lb |
Socket bolt | 27 Nm; 2.7 kg·m; 20 ft·lb |
Flywheel nut | 196 Nm; 20.0 kg·m; 145 ft·lb |
Pivot bolt | 24 Nm; 2.4 kg·m; 17 ft·lb |
Pivot adjusting nut | 10 Nm; 1.0 kg·m; 7 ft·lb |
Cylinder head cover bolt | 9 Nm; 0.9 kg·m; 6.5 ft·lb |
Oil level switch joint nut | 10 Nm; 1.0 kg·m; 7 ft·lb |
Oil drain bolt | 39 Nm; 4.0 kg·m; 29 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) | 22 Nm; 2.2 kg·m; 16 ft·lb |
Bolt, nut (10 mm) | 34 Nm; 3.5 kg·m; 25 ft·lb |
Bolt, nut (12 mm) | 54 Nm; 5.5 kg·m; 40 ft·lb |
Engine | |
Maximum speed: | 3,250-3,550 rpm rpm |
Idle speed: | 1,250-1,550 rpm rpm |
Cylinder compression: | 6.0-8.0 kg/cm2 (85-114 psi) at 500 rpm |
Oil system | |
Lubrication system: | Forced lubrication |
Oil type: | SAE 10W-30 |
Recommended oil: | Honda 4-stroke or an equivalent (SJ or later) |
Oil capacity: |
Without oil filter: 1.7 L (1.8 US. qt, 1.5 Imp. qt.) With oil filter: 2.2 L (2.3 US. qt, 1.9 Imp. qt.) |
Fuel system | |
Type: | Horizontal carburetor with butterfly valve |
Main jet: | #108 |
Float height: | 14.0 mm (0.5512 in) |
Pilot screw opening: | 2-5/8 turns out |
Ignition system | |
Type: | Transistorized magneto ignition |
Spark plug: | NGK: ZGR5A DENSO: J16CR-U |
Spark plug gap: | 0.7-0.8 mm (0.028-0.031 in) |
Ignition coil air gap | 0.4±0.2 mm (0.016±0.008) |
Applications
Manufacturer or Brand | Models |
Lawn tractors | |
Honda | HF2218 |
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