6. CYLINDER HEAD/VALVES DINK50/ 125
Check the insulator and O-rings for wear or O-ring
damage.
ASSEMBLY
Install the valve spring seats and oil seal.
Be sure to install new oil seal.
Lubricate each valve with engine oil and insert
the valves into the valve guides.
Install the valve springs and retainers.
Compress the valve springs using the valve
spring compressor, then install the valve cotters.
· When assembling, a valve spring
compressor must be used.
· Install the cotters with the pointed ends
facing down from the upper side of the
cylinder head.
Special
Valve Spring Compressor E040
Tap the valve stems gently with a plastic
hammer for 23 times to firmly seat the cotters.
Be careful not to damage the valves.
6-28
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