EXHAUST
119570
Figure 61
Using a bore meter, measure the valve guide inner diameters,
which must c orrespond to the values reported in the figure
below.
VALVE SEATS
VALVE SEAT SPECIFICATIONS
INTAKE
Figure 62
If the valve seat are damaged replace them with the spare
ones included in the supply. With the tools and being careful
not to indent the cylinder heads, remove as much material
as possible form the valve seats until removal from cylinder
head is possible by means of a punch.
Heat cylin der head up to 80º ÷ 100ºC and with the beater
assemble the new valve seats previously cooled in them.
VALVE GUIDE
Valve guide replacement
Valve guide assembly and disassembly is performed with
beater 99360288.
Insert the valve guide in the cylinder h ead s o that t hey stick
outfromitfor8.1÷8.9mm.
EXHAUSTINTAKE
122433
28
SECTION 4 - MECHANICAL OVERHAUL
F32 SERIES
Base - April 2009 Pri nt P2D32F005 E
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