Kawasaki FA210D

Kawasaki FA210DThe Kawasaki FA210D is a 207 cc (12.67 cu.in.) 4-stroke, single-cylinder, air-coolled internal combustion small gasoline engine with horizontal shaft for eneral-purpose applications.

The Kawasaki FA210D engine has a slide-valve (L-head) design and crankshaft made of heat-treated ductile iron integrated with counter-balance weights and camshaft drive gear. The piston is made of hard-chrome plated aluminum alloy and equipped with two compression rings including silicon carbide plated top ring and one oil control ring. Main bearings are: on P.T.O. side, ball bearing; on magneto side, lead bronze sintered alloy plain bearing with steel back metal. Valves are made of forged 21-4N austenitic stainless steel for exhaust valve and forged heat-resisting steel for intake valve.

The FA210D engine has a recoil starter, mechanical fly-weight type governor, pulse pump type carburetor, with idle mixture adjustment and magneto ignition system with waterproof molded ignition coil and dustproof breaker point enclosure. The electronic ignition system was available as an option.

The engine a compression ratio rating is 6.4:1. Bore and stroke are 72.0 mm (2.83 in) and 51.0 mm (2.01 in), respectively. The FA210D motor produced 5.2 HP at 4,000 rpm of maximum horsepower and 10.4 Nm (1.09 kg·m, 7.88 ft·lb) at 3,200 rpm of maximum torque.

General information

Engine Specifications
Type4-stroke, side valve type (L-head), single cylinder
Displacement207 cm 3 (12.67 cu-in)
Max. horsepower5.2 HP at 4,000 rpm
Max. torque10.4 Nm (1.09 kg·m, 7.88 ft·lb) at 3,200 rpm
CarburetorPulse pump type
Cooling systemForced-air
Ignition systemFlywheel magneto
Lubricating systemSplash system
Starting systemRecoil starter
Stoping systemGround of primary circuit
Fuel usedUnleaded gasoline (octane number 86 or higher)
Fuel tank capacity2.7 L (2.8 US qt)
Fuel consumption310 g/HPh
PTO shaft rotationCounterclockwise (from PTO shaft side)

Cylinder Block and Head

Cylinder block
Compression ratio:6.4:1
Bore x Stroke:72.0 x 51.0 mm (2.83 x 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
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
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)

Maintenance data

Idle speed1600 ± 110 rpm
Adjust timing ignition
Ignition timing23° B.T.D.C. (Fixed)
Tappet clearance
Intake valve0.12-0.18 mm (0.0047-0.0070 in)
Exhaust valve0.10-0.34 mm (0.004-0.0134 in)
Oil system
Oil type4-stroke “SC, SD, SE class”
Recommended oil10W-30, 10W-40
Oil capacity0.5 L (1.06 US pt)
Ignition system
Spark plug NGK: BM6A
Spark plug gap0.6-0.7 mm (0.024-0.028 in)

Tightening torque specs

Tightening torque specs
Cylinder head7 Nm; 0.7 kg·m; 5.2 ft·lb
Connecting rod7 Nm; 0.7 kg·m; 5.2 ft·lb
Flywheel35 Nm; 3.5 kg·m; 25.8 ft·lb
Drain plug14 Nm; 1.4 kg·m; 10.3 ft·lb
Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

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