ENGINE
4.6.5.
VALVE SEAT RECTIFICATION
NOTE Valve seat rectification after valve guide replacement
or when valve seat is not tight rectification must be carried
out.
•
Once the pilot tool has been chosed put it in the valve
guide and lock in place.
•
Choose mill according to diameter and valve seat
inclination.
•
Insert the mill in pilot tool and carefully push it down to
valve seat level.
•
Put the mill in the T spanner and turn clockwise
applying pressure lightly until uniform valve contact
surface is obtained.
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V750 IE