Removing The Flywheel Magnet; Installing The Flywheel Magnet - Yamaha F4B Service Manual

POWR

Removing the flywheel magnet

1. Remove the holder a.
2. Disconnect the spark plug cap b, and
then remove the CDI unit c.
a
3. Remove the starter pulley d. NOTICE:
Apply force in the direction of the
arrow to prevent the flywheel holder
e from slipping off easily.
d
Flywheel holder e: 90890-06522
4. Remove the flywheel magnet f and
Woodruff key. NOTICE: To prevent
damage to the engine or tool, screw in
the puller set
completely so that the flywheel puller
is parallel to the flywheel magnet.
g
f
Flywheel puller g: 90890-06521
7-19
Power unit
c
b
e
bolts evenly and

Installing the flywheel magnet

1. Install the Woodruff key a, flywheel
magnet b, starter pulley c, and washer
d, and then tighten the flywheel magnet
nut e to the specified torque. NOTICE:
Apply force in the direction of the
arrow to prevent the flywheel holder
f from slipping off easily.
e
d
c
f
Flywheel holder f: 90890-06522
Flywheel magnet nut e:
60 N·m (6.0 kgf·m, 44.3 ft·lb)
TIP:
Make sure to remove any grease from the
tapered portion a of the crankshaft and the
inner surface b of the flywheel magnet b.
2. Install the CDI unit g, and then tighten
the CDI unit bolts h to the specified
torque.
3. Connect the spark plug cap i, and then
install the holder j.
b
b
a
a
e