The Kawasaki FA210D is a 207 cc (12.63 cu·in) natural aspirated single-cylinder four-stroke air-cooled internal combustion small gasoline engine with a horizontal shaft, manufactured by Kawasaki for general-purpose applications.
It has a 72.0 mm (2.83 in) cylinder bore and 51.0 mm (2.01 in) piston stroke. The compression ratio rating is 6.4:1.
The Kawasaki FA210D engine produced 5.3 PS (3.9 kW; 5.2 HP) at 4,000 rpm of maximum output power and 10.0 N·m (1 kg·m, 7.4 ft·lb) at 2,600 rpm of peak torque.
The Kawasaki FA210D features:
- One piece hypereutectic aluminum-silicon alloy die casting with plateau honing cylinder and crankcase
- Hard-chrome plated aluminum alloy piston with two compression rings and one one oil control ring
- I-beam cross section, heat treated aluminum alloy connecting rod, with large bearings
- Magneto type. Breaker system standard or electronic ignition system (optional)
- Pulse pump carburetor or float type carburetor
- Mechanical fly-weight type governor
- Splash type lubrication system
- Forced air cooling system
- Recoil starter
General information
| Engine Specifications | |
| Engine model | FA210D |
| Engine type | 4-stroke, single-cylinder |
| Displacement | 207 cm3, (12.63 cu·in) |
| Max. horsepower | 5.3 PS (3.9 kW; 5.2 HP) at 4,000 rpm |
| Max. torque | 10.0 N·m (1 kg·m, 7.4 ft·lb) at 2,600 rpm |
| Cooling system | Forced air |
| Air cleaner | Semi-dry type, washable polyurethane element with nylon brush |
| Lubricating system | Splash type |
| Ignition system | Magneto type. Breaker system standard or electronic ignition system (optional) |
| Fuel system | Pulse pump carburetor or float carburetor |
| Fuel consumption | 310 g/HPh |
| Fuel tank capacity | 2.7 L (0.71 US. gal. 0.59 Imp. gal.) |
| Fuel used | Regular gasoline |
| Starting system | Recoil starter |
| Governor | Mechanical fly-weight type governor |
| PTO shaft rotation | Counterclockwise (from PTO shaft side) |
| Dimensions (L x W X H) | 320 x 354 x 347 mm (12.6 x 13.9 x 13.7 in) |
| Dry weight | 13.0 kg (28.7 lbs) |
Cylinder Block and Head
| Cylinder block | |
| Compression ratio: | 6.4:1 |
| Cylinder bore: | 72.0 mm (2.83 in) |
| Piston stroke: | 51.0 mm (2.01 in) |
| Number of piston rings (compression / oil): | 2/1 |
| Cylinder bore: | 72.07 mm (2.8486 in) |
| Clearance between piston and cylinder: | 0.250 mm (0.0098 in) |
| Clearance between ring and ring groove (Top): | 0.150 mm (0.0059 in) |
| Clearance between ring and ring groove (Second): | 0.150 mm (0.0059 in) |
| Clearance between ring and ring groove (Oil): | 0.150 mm (0.0059 in) |
| Ring end gap (Top): | 0.100 mm (0.0039 in) |
| Ring end gap (Second): | 0.100 mm (0.0039 in) |
| Ring end gap (Oil): | 0.100 mm (0.0039 in) |
| Number of main bearings: | 2 (Ball bearing on PTO side, lead bronze sintered alloy plain bearing with steel back metal on Magneto side) |
| Clearance between piston and piston pin: | 0.05 mm (0.0020 in) |
| Connecting rod big end side play: | 0.70 mm (0.0277 in) |
| Clearance between connecting rod small end and piston pin: | 0.05 mm (0.0020 in) |
| Clearance between crankshaft and bearing (Bush type): | 0.13 mm (0.0051 in) |
| Crankpin journal diameter: | 26.920 mm (1.0640 in) |
| Crankshaft center distance: | 25.5 mm (1.005 in) |
| Cylinder head | |
| Valve arrangement: | L-head, gear driven |
| Valves: | 2 | Intake timing: | Open: 40° B.T.D.C. Close: 117° A.B.D.C. |
| Exhaust timing: | Open: 80° B.B.D.C. Close: 40° A.T.D.C. |
| Clearance between camshaft and bearing (Bush type): | 0.10 mm (0.0040 in) |
| Valve spring free length (INTAKE): | 23.50 mm (0.9288 in) |
| Valve spring free length (EXHAUST): | 23.50 mm (0.9288 in) |
| Width of valve seat: | 1.00-1.60 mm (0.0395-0.0632 in) |
| Clearance between stem and valve guide: | 0.15 mm (0.0060 in) |
| Clearance between tappet and valve tappet: | 0.10 mm (0.0040 in) |
Tightening torque specs
| Tightening torque specs | Cylinder head | 20.0 Nm; 2.0 kg·m; 14.76 ft·lb |
| Connecting rod | 12.0 Nm; 1.22 kg·m; 8.86 ft·lb |
| Flywheel | 62.0 Nm (6.32 kg·m; 45.76 ft·lb) |
| Drain plug | 14 Nm; 1.4 kg·m; 10.3 ft·lb |
Service Data
| Engine | |
| Maximum speed: | 4,000 rpm |
| Idle speed: | 1,600 rpm |
| Valve clearance | |
| Intake valve clearance: | 0.12-0.18 mm (0.0047-0.0071 in) |
| Exhaust valve clearance: | 0.10-0.34 mm (0.0039-0.0134 in) |
| Oil system | |
| Lubrication system: | Splash type |
| Oil type: | API: SC. SD. SE class |
| Recommended oil: | #20 (winter) or #30 (summer) |
| Oil capacity: | 0.6 L (0.63 US. qt, 0.53 Imp. qt.) |
| Fuel system | |
| Type: | Pulse pump carburetor or float carburetor |
| Pilot air screw initial setting (pulse pump carb): | Unscrew 1-1/4 turns |
| Fuel cock opening (float type carb): | Unscrew 1-1/2 turns |
| Pilot air screw initial setting (float type carb): | Unscrew 1-1/2 turns |
| Ignition system | |
| Type: | Magneto type. Breaker system standard or electronic ignition system (optional) |
| Ignition timing: | 23° B.T.D.C. |
| Spark plug: | NGK BM-6A |
| Spark plug gap: | 0.6-0.7 mm (0.0236-0.0276 in) |
| Contact breaker gap | 0.3-0.5 mm (0.0118-0.0197 in) |
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