KYMCO G-Dink 125i Manual page 132

G-Dink 125i
2. Engine > Camshaft
Inspection
Inspect the camshaft cam heights for the intake and exhaust lobes.
Inspect the camshaft bearings for excessive play or roughness. Replace
the entire camshaft assembly if the bearings are rough or have
excessive play.
Inspect the rocker arm shaft outer diameter for the intake and exhaust
valves.
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