9. CYLINDER HEAD/VALVES MYROAD 700i
VALVE /VALVE GUIDE INSPECTION
Inspect each valve for bending, burning,
scratches or abnormal stem wear.
If any defects are found, replace the valve
with a new one.
Check valve movement in the guide.
Measure each valve stem O.D.
Measure each valve guide I.D.
Subtract each valve stem O.D. from the
corresponding guide I.D. to obtain the
stem-to-guide clearance.
Service limits:
IN: 0.08 mm
EX: 0.1 mm
If the stem-to-guide clearance exceeds
the service limits, replace the cylinder
head is necessary.
CYLINDER HEAD INPECTION
CYLINDER
Remove the carbon deposits from the
combustion chambers.
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: 0.05 mm
VALVE SPRING INSPECTION
Measure the free length of the inner and outer
valve springs.
Service Limit:
Inner: 36.4 mm
Outer: 39.4 mm
9-13
An excellent service and not too long too wait for the part to be delivered. I live in Germany and its not easy to get spare parts here. I hope not to need your services again but if I do I will have no hesitation in doing so. John W. Parmley 
4.7 / 5