Page 501 of 1413
Right Side Cover
Removal
NOTE:
a Clean all pans thoroughly in solvent or carburetor cleaner, and dry with compressed air,
a Blow out all passages.
a When removing the transmission right side cover, replace the following:. Right side cover gasket. Lock washers. O-rings. Each shaft locknut. Conical spring washers. Sealing washers
RIGHT SIDE COVER
SIDE COVER PROTECTOR
1.O mm BOLTS
SUB.SHAFTReplace.
THROTTLE CONTBOLLEVER
MAINSHAFT1ST GEAR
CONICALSPRINGWASHERReplace.WASHERReplace.
PARKING GEAR
ONE.WAY CLUTCHSUB.SHAFT 1ST GEAN
JOINT AOLT
THRUST WASHER,I ST GEAB COLLAR
1ST GEAR
NEEDLE BEABING
lST GEAR COLLAR
ATF LEVEL GAUGE
SEALING WASHERSReplace.
14-110
ATF COOLER PIPES
Page 502 of 1413

Remove the 13 bolts securing the right side cover
and right side cover protector, then remove them.
Slip the special tool onto the mainshaft as shown.
MAINSHAFT HOLOER07GAB-PF50101
3. Engage the parking brake pawl with the parking gear.
4. Align the hole ot the sub-shaft l st gear with the hole
of the the transmission housing, then insert a pin to
lock the sub-shaft while removing the sub-shaft
locknut.
'1.
COUNTERSHAFTLOCKNUTReplace.
MAINSHAFTLOCKNUTReplace.
8 mm pin.
comm€rciallyavailable
SU8-SHAFTLOCKNUTReplace.
Align the holes.
CONICAL SPNINGWASHERSReplace.
5. Pry the lock tab of the mainshaft locknut.
6. Cut the lock tabs of the countershaft and sub-shaft
locknuts using a chisel as shown. Then remove the
locknut from each shatt.
NOTE;
a Mainshaft and countershaft locknuts have lett-
hand threads.
a Clean the old countershaft locknut, it is used to
install the parking gear on the countershaft.a Always wear safety glasses.
CAUTION:
Keop all of th€ chis€led panicles out of the
tlanamigsion.
llrF-"""*
,fl(,-..- LocKNUr
@-.**'o'
7.
8.
q
10.
11.
12.
13.
14.
15.
to.
Remove the lock pin that was installed to hold the
sub-shaft.
Remove the special tool from the mainshaft after
removing the locknut.
Remove the 1st clutch and mainshaft 1st gear as-
sembly from the mainshaft.
Remove the sub-shaft 1st gear,
Remove the parking brake pawl.
Using a universal two jaw puller. remove the park-
ing gea.. one-way clutch and counlershatt 1st gear
assembly.
PARKING GEAR
Remove the parking brake lever from the control
shaft.
Remove the throttle control lever from the throttle
control shaft.
Remove the ATF cooler pipes.
Remove the ATF level gauge.
14-111
Page 520 of 1413

Mainshaft
Disassembly/lnspection/Reassembly
NOTE:
a Lubricate all pans with ATF during reassembly.
a Install the thrust needle bearings with unrolled edge of bearing retainer lacing washer.
a Inspect the thrust needle bearings and the needle bearings for galling and rough movement.
a Betore installing the O-rings, wrap the shaft splines with tape to prevent damaging the O-rings.
a Locknut has lett-hand threads.
RING
\
MAINSHAFTCheck splines tor excessivewear or damage.Check bearing surface for scoring,scralches or excessive wear,
CONICAL SPRING WASI{ERReplace.
LOCKNUT (FLANGE NUT)19 x 1.25 mm93 N.m {9.5 kgf.m, 69 lbf.ftlReplace.Left-hand threads
SNAP
THRUST WASHER
THRUST NEEDLEBEARING
lST CLUTCHASSEMBLY
o-ntNGsReplace.
THRUST WASHER
THRUST NEEDLEBEARING4TH GEAR
NEEOLE BEARIT{GS
4TH GEAR COLLAR
lST GEAR
THRUST WASHER
BEANING
1ST GEARCOLLAR
TRANSMISSIONHOUSING BEARING
SEALING RINGS,35 mm
2ND/4TH CLUTCHASSEMBLY
NEEDLE BEARING
THRUST NEEDLEBEARING
O.RINGSReplace.
THRUST WASHER, 36.5 x 55 mmSolective part.
THRUST NEEDLEBEAFING
2ND GEAR
SEALING RING.29 mm
NEEDLE BEARING
SET RII{G
Page 521 of 1413

Mainshaft
Inspection
a Clearance Measurement
NOTE: Lubricate all parts with ATF during assembly.
1 . Remove the mainshaft bearing lrom the transmission
housing (see page 14-152).
2. Assemble the parts below on the mainshaft.
NOTE: Do not assemble the O-rings while in-
specting.
LOCKNUT
/ 1ST CLUTCH ASSEMBLY
THRUST WASHER
lST GEAR COLLAR
TBANSMISSIONHOUSING BEARING
THRUST WASHER
4TH GEAR COLLAR
2ND/4TH CLUTCHASSEMBLY
THRUST WASHERSelective part.
TI{RUST NEEDLEBEARING
2ND GEAR
NEEDLE BEARING
THRUST NEEOLEBEARING
MAINSI.IAFT
14-130
3RD GEAR2ND GEAR
Torque the mainshaft locknut to 29 N.m (3.0
kgf .m, 22 lbf.ft).
NOTE: Mainshaft locknut has lett-hand threads.
29 N.m (3.0 kgl.m, 22 lbt.ft)
4. Hold 2nd gear against the 2nd clutch. then meas-
ure the clearance between 2nd gear and 3rd gear
with a feeler gauge.
NOTE: Take measurements in at least three Dlaces
and take the average as the actual clea.ance.
STANDARD: 0.05-0.13 mm {0.002-0.005 inl
THRUST WASHER-36.5 x 55 ftm
3RD GEAR 2ND GEAR
Page 523 of 1413

Countershaft
Disassembly/lnspection/Reassembly
NOTE:
a Lubricate all parts with ATF belore reassembly.a Install the thrust needle bearings with unrolled edge of bearing retainer facing washer.a Inspect the thrust needle bearings and the needle bearings tor galling and rough movement.a Before installing the O rings, wrap the shaft splines with tape to prevent damaging the O-rings.a Locknut has left-hand threads.
CONICAL SPRINGWASHERReplace.
LOCKNUT {FLANGE NUTI23 x 1.25 mm1O3-0-lO3N.m{10.5-O-'l0.5ksf.m,75.9*O-75.9tbf.fr)Replace.Left-hand threads
REVERSE GEAR COLLAR
NEEDLE EEARINGPARKING GEAR
ONE.WAYCLUTCHREVERSEGEAR
BEVERSESELECTOR
REVERSE SELECTORHUB
4TH GEAR
NEEDLE BEARING
DISTANCE COLLAR,28 mmSelective part.
.I ST GEAR
NEEDLE EEARING
lST GEAR COLLAR
TRANSMISSIONHOUSING BEARING
COUNTERSHAFTCheck splines for excessivewear or damage.Check bearing surface for scoring,scratches or excessive wear_
2ND GEAE
THRUST NEEDLEBEARING
3RD GEAR
NEEDLE BEARING
THRUST NEEDLE BEARING
3RD GEAR COLLAR
3RD CLUTCH ASSEMBLY
O-RINGSReplace.
Page 524 of 1413
Disassembly/Reassembly
1, Using a hydraulic press, press out the countershatt
while supponing 4th gear.
NOTE: Place an attachment between the press and
the countershatt to prevent damage to the shaft.
CAUTION: Do not allow the countershaft to lall and
hit the ground.
2.Assemble the parts on the countershaft as shown
oetow.
NOTE:
a Lubricate all parts with ATF during assembling.
a Before installing the O-rings, wrap the shalt
splines with tape to prevent damaging the
O-rings.
4TH GEAR
NEEDLE BEARING
DISTANCE COLLAR. 29 mm
Selective part.
2ND GEAR
THRUST NEEDLE BEARING
3RD GEAR
NEEDLE BEARING
THRUST NEEDLE BEARING
3RD GEAR COLLAR
3RD CLUTCH ASSEMBLY
O-RINGSReplace.
COUNTERSHAFT
{cont'd)
Page 526 of 1413
Install the parts below on the countershaft sub-
assembly, then torque the locknut to 29 N'm (3.O
kgf.m, 22 lbf.ft).
LOCKNUTLeft-hand threads
CONICAL SPRI GWASHER
PARKING GEAR/ONE-WAYCLUTCH/1ST GEARASSEMBLY
NEEEDLE BEARING
lST GEAR COLLAR
TRANSMISSION HOUSINGBEARING
REVERSE GEARCOLLAR
Measure the clearance between the 2nd gear and
the distance collar, 28 mm wilh a feeler gauge.
NOTE: Take measurements in at least three places.
and take the average as the actual clearance.
STANDARD: O.O5-0.13 mm (0.OO2-O.O05 in)
DISTANCE COLLAR,28 mm2ND GEAR
2ND GEAR
(cont'd)
14-135
Page 528 of 1413
One-way Clutch/Parking Gear
Disassembly/lnspection
1.Separate countershaft 1st gear from the parking gear
by turning the parking gear in the direction shown.
Inspoct tha psrta a3 tollows:
PARKII{G GEARInspect thg parking
tor w€s. or acoring.
O E.WAY
2. Remove the one-way clutch by prying it up with the
end of a screwdrive..
Inspect tho ono-wayclutch fo. damagea orfaultv movement.
courrERsHAFrlsr.EAR 9IlYlL9iY^t.?INOTE: lnstall in this direction.
l ST GEARInspect counior6haft 1tor wegr or scoaing.
3. After the Darts are sssembled, hold counte.shaft lst
gear and turn tho parking gear in the direction shown
to be sur6 it turns freelv,
O'TE.WAY CLUTCH
COUNTERSHAFT lST GEAR
COUNTERSHAFT 1ST GEAR
COU TERSHAFT 1ST GEAR
SCREWDRIVER
14-137