Transmission Case - wsm STW37 Workshop Manual

STW34, STW37, STW40, WSM

(3) Transmission Case

Clearance between 21T Gear and Counter Shaft
1. Measure the 21T gear I.D. and counter shaft O.D..
2. Measure the O.D. of two needles installed diagonally in the
needle bearing.
3. Calculate the clearance.
4. If the clearance exceeds the allowable limit, replace.
Factory specification
Clearance between 21T
gear and counter shaft
Allowable limit
21T Gear I.D. Factory specification
Counter shaft O.D. Factory specification
Needle O.D. Factory specification
(1) Counter Shaft
(2) Needle Bearing
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 problem, replace it.
Clearance between Shift Fork and Shifter Groove
1. Place for in the groove to check clearance with feeler gauge.
2. If the clearance exceeds allowable limit, replace.
Factory specification
Clearance between shift
fork and shifter groove
Allowable limit
3-S70
TRANSMISSION
0.009 to 0.040 mm
0.0004 to 0.0016 in.
0.1 mm
0.0039 in.
35.009 to 35.025 mm
1.3783 to 1.3789 in.
29.991 to 30.000 mm
1.1807 to 1.1811 in.
2.497 to 2.500 mm
0.0983 to 0.0984 in.
(3) 21T Gear
9Y1211109TRS0076US0
9Y1211109TRS0066US0
0.1 to 0.40 mm
0.004 to 0.016 in.
0.80 mm
0.031 in.
9Y1211109TRS0077US0
KiSC issued 11, 2014 A