Suzuki Boulevard M50, Service Manual

Page: 140 / 454

4-8 SHAFT DRIVE
Driven bevel gear side
NOTE:
The shims (driven bevel gear side) are available as a set
(24945-05810).
TOOTH CONTACT
After bringing the backlash within specification by changing the
secondary driven bevel gear shims, it will be necessary to check
tooth contact.
• Remove the drive bevel gear assembly from the crankcase.
• Clean and degrease the secondary drive bevel gear teeth,
and apply a coating of machinist’s layout dye or paste to sev-
eral teeth.
• Reinstall the secondary drive bevel gear assembly, with cor-
rect shim, onto the secondary gear housing.
• Rotate the secondary driven bevel gear several turns in both-
directions.
• Remove the secondary drive bevel gear from the crankcase,
and observe the tooth contact pattern made in the dye or
paste.
• Compare the tooth contact pattern to the examples as shown
in
1
,
2
and
3
.
• If tooth contact is found to be incorrect, the shims of the sec-
ondary drive bevel gear and secondary driven bevel gear
must be changed, tooth contact should be re-checked until
correct.

Part No. Shim thickness
24945-05A00-0A0 0.30 mm (0.012 in)
24945-05A00-0B0 0.35 mm (0.014 in)
24945-05A00-0C0 0.40 mm (0.016 in)
24945-05A00-0D0 0.50 mm (0.020 in)
24945-05A00-0E0 0.60 mm (0.024 in)
1
INCORRECT (Contact at tooth top)
2
CORRECT
After the tooth contact adjustment is made, the back-
lash must be re-checked, as it may change. Refer to
the backlash checking sub-section, and readjust until
both backlash and tooth contact are correct.
Tooth contact Shim adjustment
Contact at tooth top
1
Decrease thickness of shims
4
or
5
Contact at tooth root
3
Increase thickness of shims
4
or
5
3
INCORRECT (Contact at tooth root)
SA
MP
LE