POWR
Power unit
5-29
6C13G11
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 available).
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 rocker arms and rocker
arm shaft
1.
Check the rocker arms, rocker arm shaft,
and rocker arm contact surface
a
for
wear. Replace if necessary.
2.
Measure the rocker arm inside diameter
b
and rocker arm shaft outside diameter
c
. Replace if out of specification.
Checking the camshaft
1.
Measure the cam lobe. Replace if out of
specification.
2.
Measure the camshaft runout. Replace if
above specification.
Rocker arm inside diameter
b
:
16.000–16.018 mm
(0.6299–0.6306 in)
Rocker arm shaft outside
diameter
c
:
15.971–15.991 mm
(0.6288–0.6296 in)
Cam lobe
a
:
Intake:
30.888–30.988 mm
(1.2161–1.2200 in)
Exhaust:
30.824–30.924 mm
(1.2135–1.2175 in)
Cam lobe
b
:
Intake and exhaust:
25.950–26.050 mm
(1.0216–1.0256 in)
Camshaft runout limit:
0.03 mm (0.0012 in)
Содержание F50F
Страница 1: ...F50F FT50G F60C FT60D SERVICE MANUAL 6C1 28197 3G 11 290551 ...
Страница 4: ......
Страница 48: ...SPEC Specifications 2 25 6C13G11 MEMO ...
Страница 147: ...6C13G11 6 4 1 2 3 4 5 6 7 8 9 Ring nut wrench 3 90890 06511 Ring nut wrench extension 90890 06513 Special service tools ...
Страница 165: ...6C13G11 6 22 1 2 3 4 5 6 7 8 9 Shimming F50 F60 6 Drive shaft and lower case F50 F60 Shimming F50 F60 ...
Страница 190: ...LOWR Lower unit 6 47 6C13G11 Shimming FT50 FT60 6 ...
Страница 195: ...6C13G11 6 52 1 2 3 4 5 6 7 8 9 MEMO Backlash FT50 FT60 ...
Страница 221: ...6C13G11 7 24 1 2 3 4 5 6 7 8 9 Steering arm ...
Страница 249: ...6C13G11 7 52 1 2 3 4 5 6 7 8 9 MEMO Power trim and tilt electrical system ...
Страница 272: ...ELEC Electrical systems 8 21 6C13G11 MEMO ...
Страница 301: ...6C13G11 i 5 1 2 3 4 5 6 7 8 9 Index MEMO ...
Страница 303: ......
Страница 304: ...YAMAHA MOTOR CO LTD Printed in the Netherlands Jul 2004 1 2 1 CR E_2 ...