Measuring The Middle Gear Backlash; Adjusting The Middle Gear Backlash - Yamaha XT1200Z(Z) 2010 Service Manual

1
d. Press each bearing into the yoke using a suit-
able socket.
TIP
The bearing must be inserted far enough into the
yoke so that the circlip can be installed.
e. Install the circlips "2" into the groove of each
bearing.
2
L LLL L LLL L L LLL L
3. Check:
• Universal joint operation
Rough operation → Replace the universal
joint or bearing.
TIP
Lift the universal joint "1" and make sure that it
falls freely when released.
EAS25880
MEASURING THE MIDDLE GEAR
BACKLASH
1. Remove:
• Universal joint
• Middle gear side cover
L LLL L L LLL L L LLL L
1
2. Measure:
• Middle gear backlash
Out of specification → Refer to "ADJUSTING
THE MIDDLE GEAR BACKLASH" on page
5-121.
M MMM M MMM M
a. Hold the middle drive pinion gear "1" with the
middle gear backlash tool "2".
TIP
Finger tighten the middle gear backlash tool
bolts.
b. Make sure the dial gauge plunger contacts
the measuring point on the centerline of the
yoke bearing hole as shown.
1
LLL
2
c. While gently turning the universal joint yoke
back and forth, measure the middle gear
backlash.
TIP
Measure the middle gear backlash at four posi-
tions. Rotate the universal joint yoke 90° each
time and observe the reading on the dial gauge.
L LLL L LLL L
EAS25900

ADJUSTING THE MIDDLE GEAR BACKLASH

1. Loosen:
• Middle driven pinion gear bearing housing
bolts
2. Remove:
• Middle driven pinion gear shim(s)
3. Tighten:
• Middle driven pinion gear bearing housing
bolts
5-121
MIDDLE GEAR
Middle gear backlash
0.045–0.090 mm (0.002–0.004 in)
M MMM M M MMM M M MMM M
Middle gear backlash tool
90890-04080
Middle drive gear holder
YM-33222
L LLL L L LLL L L LLL L
M MMM M MMM
L LLL L LLL