KYMCO Downtown 125i 2009 Service Manual page 77

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6
. CYLINDER HEAD/VALVES
DISASSEMBLY
Take out the valve rocker arm shafts
Remove the valve rocker arms.
INSPECTION
Inspect the camshaft holder, valve rocker
arms and rocker arm shafts for wear or
damage.
＊
If the valve rocker arm contact surface is
worn, check each cam lobe for wear or
damage.
Inspect the rocker arm bore, cam lobe contact
surface and
wear/pitting/scratches/blue discoloration.
If any defects are found, replace the rocker
arm shaft with a new one, then inspect
lubrication system.
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adjuster surface
Camshaft Holder
for
Adjuster Surface
DOWNTOWN 125i
Rocker Arm Shafts
Rocker Arm Shafts
Rocker Arm Bore
Contact Surface
6-6