Specifications

05-67
VALVE SEAT INSPECTION :
 Check and ensure proper seating with
pencil marks as explained above.
 Assemble the valve assembly in position.
Keep the Cylinder head on a table. Fill
petrol on top of the valves. Seepage of
petrol past the valve seat indicates
improper valve seating.
 Check the free length of valve spring.
 Valve seating on valve seat can also be
checked as follows:
ASSEMBLY
 Install the valve spring seats and new valve
stem seals.
NOTE : Please ensure cleaning of the cylinder
head with solvent and blow thorough
all oil passages with compressed air.
 Lubricate each valve stem with fresh
engine oil and fix the inlet and exhaust valve
into the valve guides.
 Compress the valve springs using special
tool ST 25123-1, valve spring compressor
and fix the split collar locks on the inlet
valve.
 Assemble the valve spring, retainer and
split collars.