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Ill.
ENGINE
27
7.
TRANSMISSION
Fig.
3-46
(
I
)
Knock
pin
( 2 )
Bearing
bushing (I
6
mm)
(3)
Thrust washer (16mm)
( 4)
C'ountershaft first gear (36T)
( 5) Countershaf1 fifth gear (24T)
( 6)
Snap ring
(20
mm)
( 7 ) Thrust washer A
( 8 ) Countershaft fourth gear (27T)
( 9 ) Lock
washer
(20
mm)
(JO)
Thrust washer
B
(20mm)
(11) Countershaf1 chird gear (29T)
(
12)
Countershaft second gear (32T)
(13) Transmission countershaft
(
14)
Ball bearing set ring A
(I 5)
llall
bearing
(6304HS)
(16) Oil
seal
(20
x
52
x
9mm)
(
I
7)
Drive sprocket (
1
ST)
(
18)
Drive sprocket fixing plate
(19) Transmission mainshaft (13T)
(20) Mainshaft fifth gear (25T)
(21)
Thrust washer
A (20
mm)
(22) Mainshaft shifting gear (20T, 23T)
( 23)
Main shaft second gear (
17T)
(24) Thrust washer
(15
mm)
(25)
Bearing bushing
A
(15
mm)
(26) Oil seal
(25
x
8
mm)
Disassembly
I.
Drain the engine thoroughly.
2.
Remove the right and left engine crankcase cover<
3. Remove the oil filter, clutch and oil pump.
4
.
Place the engine with the upper crankcase side down;
remove nine 6nim bolts and nine 8mm bolls
5.
Remove
the
lower crankcase while disengaging the shift
arm pawi from the shift drun~
6.
Remove the mainshafl and countershaft from the
upper
crankcase.
NOTE:
Mea..sure each backlashes
in
gears
before
removal.
lns1>ection
I.
Check the
gears
for backlash.
Standard value;
I
st, 2nd and 3rd :
0.089-0.l
79mm
(0.0035-
0.0070.in.)
4th
and Sch: 0.094-0.l 88mm
(0.0037
0.0074-in.)
Scn•ice limit:
0.2mm
(0.0079-in.)
7
l
ls
l
(9
) (10)
(
Hi
(
7
) (
6)
(12}
(13)
(17)
Fig.
3-47
(I)
Lower crankcase
(2)
Gear shift arm
Fig. 3
-
48
(I) Mainshafl
(2) C'uuntershaft
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