Checking The Pinion Gears - Yamaha 5YF2-AE1 Service Manual

1
2
MIDDLE GEAR
3. Remove:
• bearing housing assembly 1
M MMM M MMM M M MMM
a. Clean the outside of the middle driven shaft.
b. Place the middle driven shaft onto a hydrau-
lic press.
CAUTION:
_
• Never directly press the shaft end with a
hydraulic press, this will result in damage
to the shaft thread.
• Install the suitable socket 2 on the shaft
end to protect the thread from damage.
c. Press the shaft end and remove the bearing
housing.
L LLL L LLL L L LLL
4. Remove:
• bearing retainer
• bearing
M MMM M MMM M M MMM
a. Place a folded rag 1.
b. Secure the bearing housing edge in the
vise.
c. Attach the damper rod holder 2.
27-mm hexagon wrench
P/N. YM-01363
Damper rod holder (27 mm)
P/N. 90890-01388
d. Remove the bearing retainer and bearing.
L LLL L LLL L L LLL
EBS01021

CHECKING THE PINION GEARS

1. Check:
• drive pinion gear teeth 1
• driven pinion gear teeth 2
Pitting/galling/wear → Replace.
4 - 62
ENG
M M MMM M M MMM M
L L LLL L L LLL L
M M MMM M M MMM M
L L LLL L L LLL L
M MMM M MMM
L LLL L LLL
M MMM M MMM
L LLL L LLL