69J3D11
5-38
1
2
3
4
5
6
7
8
9
b
Previous contact width
7.
If the valve seat contact area is too nar-
row and situated near the top edge of the
valve face, use a 30° cutter to cut the top
edge of the valve seat. If necessary, use
a 45° cutter to center the area and set its
width.
b
Previous contact width
8.
If the valve seat contact area is too nar-
row and situated near the bottom edge of
the valve face, use a 60° cutter to cut the
bottom edge of the valve seat. If neces-
sary, use a 45° cutter to center the area
and set its width.
b
Previous contact width
9.
Apply a thin, even layer of lapping com-
pound onto the valve seat, and then lap
the valve using a valve lapper (commer-
cially obtainable).
CAUTION:
Do not get the lapping compound on the
valve stem and valve guide.
10. After every lapping procedure, be sure to
clean off any remaining lapping com-
pound from the cylinder head and the
valve.
11. Check the valve seat contact area of the
valve again.
Checking the camshaft
1.
Check the timing chain sprockets for
damage or wear. Replace the camshaft if
necessary.
2.
Measure the cam lobe. Replace if out of
specification.
Cylinder head
Содержание F225A
Страница 1: ...SERVICE MANUAL 290435 69J 28197 3D 11 F225A FL225A ...
Страница 73: ...69J3D11 3 20 1 2 3 4 5 6 7 8 9 Lubrication 1 Apply water resistant grease to the areas shown General ...
Страница 78: ...FUEL Fuel system 4 3 69J3D11 Intake silencer fuel filter and fuel pump 4 ...
Страница 80: ...FUEL Fuel system 4 5 69J3D11 Vapor separator 4 ...
Страница 84: ...FUEL Fuel system 4 9 69J3D11 Intake manifold and high pressure fuel line 4 ...
Страница 86: ...FUEL Fuel system 4 11 69J3D11 ...
Страница 88: ...FUEL Fuel system 4 13 69J3D11 Throttle control 4 ...
Страница 100: ...POWR Power unit 5 3 69J3D11 Power unit 5 ...
Страница 102: ...POWR Power unit 5 5 69J3D11 ...
Страница 104: ...POWR Power unit 5 7 69J3D11 ...
Страница 108: ...POWR Power unit 5 11 69J3D11 ...
Страница 126: ...POWR Power unit 5 29 69J3D11 Cylinder head 5 ...
Страница 128: ...POWR Power unit 5 31 69J3D11 ...
Страница 140: ...POWR Power unit 5 43 69J3D11 Cylinder block 5 ...
Страница 142: ...POWR Power unit 5 45 69J3D11 ...
Страница 166: ...LOWR Lower unit 6 5 69J3D11 Lower unit regular rotation model 6 ...
Страница 172: ...LOWR Lower unit 6 11 69J3D11 Propeller shaft housing regular rotation model 6 ...
Страница 178: ...LOWR Lower unit 6 17 69J3D11 Drive shaft and lower case regular rotation model 6 ...
Страница 194: ...LOWR Lower unit 6 33 69J3D11 Lower unit counter rotation model 6 ...
Страница 200: ...LOWR Lower unit 6 39 69J3D11 Propeller shaft housing counter rotation model 6 ...
Страница 206: ...LOWR Lower unit 6 45 69J3D11 Drive shaft and lower case counter rotation model 6 ...
Страница 227: ...69J3D11 7 2 1 2 3 4 5 6 7 8 9 MEMO Special service tools ...
Страница 228: ...BRKT Bracket unit 7 3 69J3D11 Bottom cowling 7 ...
Страница 230: ...BRKT Bracket unit 7 5 69J3D11 ...
Страница 232: ...BRKT Bracket unit 7 7 69J3D11 Upper case steering arm swivel bracket and clamp brackets 7 ...
Страница 234: ...BRKT Bracket unit 7 9 69J3D11 ...
Страница 236: ...BRKT Bracket unit 7 11 69J3D11 ...
Страница 246: ...BRKT Bracket unit 7 21 69J3D11 Power trim and tilt unit 7 ...
Страница 248: ...BRKT Bracket unit 7 23 69J3D11 ...
Страница 250: ...BRKT Bracket unit 7 25 69J3D11 ...
Страница 292: ...ELEC Electrical systems 8 21 69J3D11 Starter motor 8 ...
Страница 367: ......
Страница 368: ...YAMAHA MOTOR CO LTD Printed in the Netherlands Jun 2001 1 3 1 CR F225AET FL225AET E ...