7-60
Cylinder head
0
1
2
3
4
5
6
7
8
9
10
A
b
Previous contact width
c
Specified contact width
6.
Check the valve seat contact area of the
valve. See “Checking the valve seat” (7-
58).
Example:
• If the valve seat contact area is too wide
and situated in the center of the valve face,
cut the top edge of the valve seat using a
30° cutter, and then cut the bottom edge
using a 60° cutter to center the area and set
its width.
b
Previous contact width
• If the valve seat contact area is too narrow
and situated near the top edge of the valve
face, cut the top edge of the valve seat
using a 30° cutter to center the area, and
then set its width using a 45° cutter.
b
Previous contact width
• If the valve seat contact area is too narrow
and situated near the bottom edge of the
valve face, cut the bottom edge of the valve
seat using a 60° cutter to center the area,
and then set its width using a 45° cutter.
b
Previous contact width
7.
After refacing the valve seat to the
specified contact width, apply a thin,
even layer of lapping compound onto the
valve seat, and then lap the valve using
the special service tool
a
.
NOTICE:
Do
not get the lapping compound on the
valve stem and valve guide.
8.
Recheck the valve seat contact area of
the valve. See “Checking the valve seat”
(7-58).
Checking the cylinder head anode
1.
Check the anodes. Replace if eroded.
Clean if there is grease, oil, or scales.
NOTICE:
Do not apply grease, oil, or
paint to the anodes.
Assembling the cylinder head
1.
Install a new valve seal
a
.
NOTICE:
Do
not reuse a valve seal, always replace
it with a new one.
45˚
b
c
30˚
60˚
b
30˚
b
Valve lapper
a
: 90890-04101
60˚
b
a
Содержание F225F
Страница 1: ...SERVICE MANUAL 6CE 28197 3N 11 F L 225F F L 250D F L 300B ...
Страница 4: ......
Страница 54: ...1 31 SPEC Specification MEMO ...
Страница 89: ...2 34 Lower unit 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Страница 116: ...3 25 RIG GING Rigging information SET MENU CANCEL a b b c c c D q e E p v w o v C m h A B D D A B D D D F B ...
Страница 218: ...5 55 ELEC Electrical system 2 Connect the Y COP coupler a Y COP input voltage Red R Ground 12 0 V battery voltage R B a ...
Страница 254: ...6 19 FUEL Fuel system 3 Install the blowby hose f 4 Connect the air temperature sensor coupler a f a ...
Страница 263: ...6 28 Canister 0 1 2 3 4 5 6 7 8 9 10 A j k f b ...
Страница 267: ...6 32 Low pressure fuel pump 0 1 2 3 4 5 6 7 8 9 10 A 11 Fasten the vapor gas hoses p and q using the holder r q r p ...
Страница 296: ...7 13 Power unit POWR 21 Install the tube retainer H and then fasten it using the plastic tie I I H H ...
Страница 319: ...7 36 Shift actuator 0 1 2 3 4 5 6 7 8 9 10 A Shift actuator bolts d 19 N m 1 9 kgf m 14 0 ft lb c b d d a ...
Страница 477: ...8 98 Shimming counter rotation model 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Страница 493: ...9 14 Upper case and mount 0 1 2 3 4 5 6 7 8 9 10 A Lower mount bracket bolt o 55 N m 5 5 kgf m 40 6 ft lb t u v t v u o ...
Страница 537: ...9 58 PTT cylinder 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Страница 562: ...A 1 MEMO ...
Страница 565: ......
Страница 566: ...May 2010 1 ABE E_1 YAMAHA MOTOR CO LTD ...
Страница 576: ...A 13 ...