Yamaha FZ-16 2015, Руководство по обслуживанию

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5-17
VÁLVULAS Y RESORTES DE VÁLVULAS
2.
Delete:
•
Carbon deposits
(From the valve face and valve seat)
3.
Check:
•
Valve face
Pitting / wear
Rectify יו
face
valve.
•
End of the valve stem
Mushroom or a larger diameter than the valve
stem to the valve Replace
יו
.
4. Measure:
•
Thickness D of the valve margin "a"
OOS
Replace יו
valve.
Thickness of the valve margin
D (Admission)
From 0.50 to 0.90 mm
Thickness of the valve margin
D (Escape)
From 0.50 to 0.90 mm)
5. Measure:
•
Deformation of the valve stem
OOS
Replace יו
the
valve.
NOTE:
• When installing a new valve, always replace
the valve guide.
• If the valve is removed or replaced, always
replace the stem seal
the valve.
Limit deformation of the
valve stem
0,010 mm
CHECKING THE VALVE SEATS
The following procedure applies to all valves
and valve seats.
1.
Delete:
•
Carbon deposits
(From the valve face and valve seat)
2. Check:
•
Valve Seat
Pitting / wear
Replace יו
the butt.
3. Measure:
•
Width of the valve seat C "to" Out of
specification
Replace יו
the
butt.
Width of the valve seat
C (Admission)
0.90-1.10 mm
Width of the valve seat
C (Escape)
0.90-1.10 mm)
a.Instale valve in the cylinder head.
b. Pressing the valve through the valve guide and
the valve seat to make a clear print.
c. Measure the width of the valve seat. NOTE:
When the valve seat and the face of the
valve have been in contact with each other, the
blue dye has been removed.