Installing Crankshaft Bearing - Yamaha EK25BMH Service Manual

POWR
1
2
CRANK SHAFT
a
CAUTION:
Be sure to press-fit the No. 1 crank squarely
onto No. 2 crank.

INSTALLING CRANKSHAFT BEARING

Lower bearing (for crank 4)
1. Install:
• Bearing
Bearing pressure B
90890-02392
CAUTION:
• Install the bearing with its stamped
a
mark facing upward.
• Apply Yamaha 2-stroke motor oil on the
bearing.
• Be sure to press-fit the ball bearing
squarely onto crank 4.
Upper bearing (for crank 1)
1. Install:
3
• Collar
Bushing-5 (D25) ............................
90890-02359
Bearing pressure C........................
90890-02393
2. Install:
• Upper bearing
Install the upper bearing with hands.
NOTE:
Apply Yamaha grease A (water resistant
grease) on the collar and upper bearing.
5-50
1 2
(to crank 4 )
4
(to crank 1)
E
a
b