LONCIN G200F Shop Manual

G120F/G160F/G200F Part IV Disassembly and maintenance
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3. Inspection/maintenance/reconditioning:
1) Valve stem O.D
Measure valve stem O.D With a millimeter if it’s
smaller than the standard value or the service limit,
or valve face has visible ablation or cracks, replace
the valve.
Standard Service limit
IN 5.48 mm 5.318 mm
EX 5.44 mm 5.275 mm
2) Valve spring free length
Measure the free length of valve spring.
Replace the springs if they are short than standard
length or beyond service limit.
3) Cylinder head
Remove carbon deposits from the combustion chamber,
clean off any gasket material from the cylinder head
surface.
Check the spark plug hole, valve areas and valve guides
for cracks.
Check the cylinder head for warpage with a straight edge
and a feeler gauge
4) Valve guide
Inspection:
Standard Service limit
30.5mm 29.5mm
Service limit Replace if above 0.10 mm
Straight edge
Feeler gauge

LONCIN G200F Specifications

General

Displacement	196 cc
Compression Ratio	8.5:1
Fuel System	Carburetor
Starting System	Recoil start
Weight	16 kg
Fuel Type	Unleaded gasoline
Lubrication System	Splash
Engine Type	Forced air-cooled, 4-stroke, OHV, single cylinder
Bore x Stroke	68 mm x 54 mm
Max Power	6.5 HP (4.8 kW) / 3600 rpm
Ignition System	Transistorized magneto ignition
Fuel Tank Capacity	3.6 L
Oil Capacity	0.6 L