
5-31
POWR
E
• Refer to the following chart to deter-
mine the appropriate valve seat cutter.
NOTE:
After refacing the valve seat or replacing
the valve and valve guide, lap the valve seat
and valve face.
Valve seat cutter set
YM-91043-C / 90890-06803
Valve seat cutter holder
YB-06553 / 90890-06553
Valve seat cutter
(45
˚
) YB-06555 / 90890-06555
(90˚) YB-06556 / 90890-06556
Valve seat area
Valve seat cutter
A
90˚
B
45˚
B
A
5410
INSTALLING THE VALVE
5
1. Install:
• Valve stem seal
1
• Valve
2
• Spring seat
3
• Valve spring
4
• Spring retainer
5
2. Install:
• Valve cotter
6
NOTE:
Compress the valve spring with the special
tools and install the cotters onto the valve.
Valve spring compressor
YM-01253 / 90890-04019
Valve spring compressor adapter
YB-06554 / 90890-06554
5420
VALVES
Содержание F115A
Страница 124: ...3 26 E INSP ADJ GENERAL 3430 3440 3450 2 Apply Corrosion resistant grease 3451 ...
Страница 598: ...8 4 ELEC E ELECTRICAL COMPONENTS Aft view 8 1 2 8040 1 Spark plug 2 Spark plug lead ...
Страница 711: ......
Страница 712: ...Printed on recycled paper Printed in Japan Jan 2000 0 9 1 CR F115AET FL115AET YAMAHA MOTOR CO LTD ...