POWER UNIT
INSP
ADJ
E
3-7
1
2
5
4
3
7
6
6
7
a
b
4. Inspect:
9
Valve clearance
Use feeler gauge.
Out of specification
®
Adjust.
5. Loosen:
9
lock nut (rocker arm)
NOTE:
When loosening the locknut
6
, lock the ad-
juster
7
, otherwise the locknut
6
will not
loose.
Valve clearance
Intake
a
a
:
0.10 ± 0.02 mm
(0.004 ± 0.0008 in)
Exhaust
b
b
:
0.10 ± 0.02 mm
(0.004 ± 0.0008 in)
3. Position:
9
Flywheel rotor
NOTE:
Turn the flywheel rotor ass’y clockwise and
check that the valves are fully closed with
there rocker arm in free position, and set
the magnet
3
on the flywheel rotor with
both core ends
4
of the ignitor ass’y
5
mated as shown.
Valve clearance
NOTE:
Adjust valve clearance, at room tempera-
ture, when piston is near T.D.C. in com-
pression process.
1. Remove:
9
Top cowling
9
Bolt (carrying handle)
9
Carrying handle 2 (protector)
9
Bottom cowling 2
9
Bolt (recoil starter)
9
Recoil starter ass’y
9
Spark plug
2. Remove:
9
Bolt (cylinder head cover)
1
9
Cylinder head cover
2
9
Gasket (cylinder head cover)
Содержание F4
Страница 106: ...E FUEL PUMP FUEL 4 7 SERVICE POINTS Fuel pump inspection 1 Inspect 9Diaphragm Damage Replace ...
Страница 296: ...E TRBL ANLS CHAPTER 9 TROUBLE ANALYSIS TROUBLE ANALYSIS 9 1 TROUBLE ANALYSIS CHART 9 1 ...
Страница 306: ......
Страница 307: ...Printed in JAPAN February 1998 2 09 1 n 67D 28197 Z8 C1 F4AMH Printed on recycled paper YAMAHA MOTOR CO LTD ...