TRANSMISSION
B2420, WSM
3-S21
(2) Transmission Case
Checking Bearing
1. Hold the inner race, and push and pull the outer race in all
directions to check for wear and roughness.
2. Apply transmission fluid to the bearing, and hold the inner race.
Then, turn the outer race to check rotation.
3. If there is any defect, replace it.
9Y1210436TRS0033US0
Clearance between Shift Fork and Shift Gear Groove or Shifter
Groove
1. Insert the fork into the shift gear groove and measure the
clearance with a feeler gauge.
2. If the clearance exceeds the allowable limit, replace it.
9Y1210436TRS0034US0
Clearance between Gear and Shaft
1. Measure the gear I.D. with a cylinder gauge, and then shaft
O.D. with an outside micrometer.
2. Measure the O.D. of two needles in the needle bearing with an
outside micrometer.
3. Clearance is the difference between the gear I.D. and the sum
of shaft O.D. and two needles O.D..
4. If the clearance exceeds the allowable limit, replace it.
9Y1210436TRS0035US0
Clearance between shift
fork and shift gear
groove
Factory specification
0.03 to 0.4 mm
0.002 to 0.1 in.
Allowable limit
0.5 mm
0.02 in.
Clearance between shift
fork and shift groove
Factory specification
0.03 to 0.3 mm
0.002 to 0.1 in.
Allowable limit
0.5 mm
0.02 in.
Clearance between
F.W.D. shaft and
23T-16T gear
Factory specification
0.027 to 0.067 mm
0.0011 to 0.0026 in.
Allowable limit
0.10 mm
0.0039 in.
F.W.D. shaft O.D. Factory specification
21.967 to 21.980 mm
0.86485 to 0.86535 in.
23T-16T gear I.D. Factory specification
28.007 to 28.021 mm
1.1027 to 1.1031 in.
Needle O.D. Factory specification
2.994 to 3.000 mm
0.1179 to 0.1181 in.
(1) F.W.D. Shaft
(2) 23T-16T Gear Shaft
(3) Needle Bearing
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