G120F/G160F/G200F Part IV Disassembly and maintenance
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d) If the clearance exceeds the service limit, replace
the connecting rod and recheck the clearance. if the
clearance after installing the new connecting still
exceeds the service limit, ap the neck journal
and use a connecting rod lower than the standard
value.
Inspection of camshaft
As the main driving part of the gasoline engine’s valve
actuating mechanism, the camshaft controls the intake
and exhaust valves’ opening and closing following a
certain principle. Visually check the cam surface and
cam height for any damage, and check whether bearings
and camshaft are loose or worn, if so, replace them all.
1) Cam height
Standard Service limit
IN
27.7mm 27.45 mm
EX
27.75mm 27.50 mm
2) Camshaft O.D.
Standard Service limit
13.984mm 13.916mm
Plastic gauge