Checking The Transmission; Assembling The Main Axle And Drive Axle - Yamaha SR400 2014 Service Manual

EAS26300

CHECKING THE TRANSMISSION

1. Measure:
• Main axle runout
(with a centering device and dial gauge "1")
Out of specification  Replace the main axle.
Main axle runout limit
0.08 mm (0.0032 in)
2. Measure:
• Drive axle runout
(with a centering device and dial gauge "1")
Out of specification  Replace the drive axle.
Drive axle runout limit
0.08 mm (0.0032 in)
3. Check:
• Transmission gear
Blue discoloration/pitting/wear  Replace
the defective gear(s).
• Transmission gear dog
Cracks/damage/rounded edges  Replace
the defective gear(s).
1
1
5-58
4. Check:
• Transmission gear engagement
(each pinion gear to its respective wheel
gear)
Incorrect  Reassemble the transmission
axle assemblies.
5. Check:
• Transmission gear movement
Rough movement  Replace the defective
part(s).
6. Check:
• Circlip
Damage/bends/looseness  Replace.
EAS29020
ASSEMBLING THE MAIN AXLE AND DRIVE
AXLE
1. Install:
• Circlip "1"
New
TIP
• Be sure the circlip sharp-edged corner "a" is
positioned opposite side to the gear "2".
• Align the opening between the ends "b" of the
circlip with a groove "c" in the axle.
1
TIP
Install the circlip "4", washer "5", and bearing "6"
to the drive axle "3", as shown in the illustration.
TRANSMISSION
2
1
a
b
c