Cylinder Head Disassembly; Cylinder Head; Valve Spring Free Length - KYMCO AGILITY 125 Service Manual

7. CYLINDER HEAD/VALVES

CYLINDER HEAD DISASSEMBLY

Remove the valve spring cotters, retainers,
springs, spring seats and valve stem seals
using a valve spring compressor.
Be sure to compress the valve springs
with a valve spring compressor.
Mark all disassembled parts to ensure
correct reassembly.
Special
Valve Spring Compressor
Valve Spring Compressor Attachment
Remove carbon deposits from the combustion
chamber.
Clean off any gasket material from the
cylinder head mating surface.
Be careful not to damage the cylinder
head mating surface.
INSPECTION

CYLINDER HEAD

Check the spark plug hole and valve areas for
cracks.
Check the cylinder head for warpage with a
straight edge and feeler gauge.
Service Limit: 0.05mm repair or replace if
over

VALVE SPRING FREE LENGTH

Measure the free length of the inner and outer
valve springs.
Service Limits:
Inner : 30.1mm replace if below
Outer : 33.3mm replace if below
7-7
FILLY LX 50
Valve Spring Compressor
Valve Spring Compressor Attachment