7-42
Cylinder head
0
1
2
3
4
5
6
7
8
9
10
A
2.
Cut the surface of the valve seat with a
45° cutter by turning the cutter clockwise
until the valve seat face has become
smooth.
NOTICE:
Do not over cut the
valve seat. Make sure to turn the
cutter evenly downward at a pressure
of 40–50 N (4.0–5.0 kgf, 8.8–11.0 lbf) to
prevent chatter marks.
a
Slag or rough surface
3.
Use a 30° cutter to adjust the contact
width of the top edge of the valve seat.
b
Previous contact width
4.
Use a 60° cutter to adjust the contact
width of the bottom edge of the valve
seat.
b
Previous contact width
5.
Use a 45° cutter to adjust the contact
width of the valve seat to specification.
b
Previous contact width
c
Specified contact width
6.
Check the valve seat contact area of the
valve. See “Checking the valve seat” (7-
41).
7.
If the valve seat contact area is too wide
and situated in the center of the valve
face, use a 30° cutter to cut the top edge
of the valve seat, and then use a 60°
cutter to cut the bottom edge to center
the area and set its width.
b
Previous contact width
45
a
30
b
60
b
45
b
c
b
30
60
Содержание F150B
Страница 1: ...SERVICE MANUAL 6BM 28197 5L 11 F150B FL150B ...
Страница 4: ......
Страница 12: ...0 7 GEN INFO General information Symbol Name Application LOCTITE 242 blue Sealant LOCTITE 572 white Sealant ...
Страница 211: ...6 34 Vapor separator 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Страница 311: ...8 32 Shimming regular rotation model 0 1 2 3 4 5 6 7 8 9 10 A Shim location F R P T3 T1 T2 ...
Страница 351: ...8 72 Shimming counter rotation model 0 1 2 3 4 5 6 7 8 9 10 A Shim location F R P T3 T2 T4 T1 ...
Страница 448: ...A 1 MEMO ...
Страница 451: ......
Страница 452: ...Printed in China Jul 2008 0 6 1 ABE E_4 YAMAHA MOTOR CO LTD ...
Страница 458: ......