78
VI.
SERVICE DATA
4.
TECHNICAL
SERVICE
DATA
Engine
Unic:
mm (inch)
Item
Assembly standard
Service limit
'
Rocker arm-to-shaft clearance
0.013-0.043(0.0005
- 0.0011) 0 1 (0.0039)
-
Intake
I
25.
058
(0.
9865)
24. 9
(0.
9803)
Cam height
Exhaust
24.
872 (0. 9792) 24. 7
(0.
9724)
Valve
se.ot
width
1.2
±0.2
(0.0394-0.0551) 1.8 (0.0709)
Intake 5.48- 5.49 (0.2157--0. 2161)
5.42(0.2
134)
Valve stem OD
Exhaust
5.46- 5.472 (0.
21
so
0.2154) 5.40 (0. 2126)
Valve-to-guide
Intake
0.015--0.035
(0.0006-0.0014)
-
clearance
Exhaust
0.033
-0
.055
(0
.0013
0.0022)
--
Inner
5.
72
- 6.38/27 -
(12.61
-14.51/
1.0630)
Valve spring load
Outer
I 0.6-
12
2 kg/30 -
(23.37- 26.
90
lbs
/I.
1811)
Vah·e spring free
I
Inner
33
.
2S
(J.309
1) 32
.0
( L 2598)
length
Outer
35.05
(13799)
34.S (1.3583)
Cylinder ID
55.50-5.5.
51
(2.1850-
2.
1834) 55.6 (2. 1890)
Piston skirt OD
55
.4
7- 55.49 (2. 1839-
2.
1846) 56.42 (2.1819)
Piston
pin
hole dia.
in
pisto11
15
.
00
2-
15.
008
(0.
5906
0.
5909) 15.05 (0.5925)
Piston pin OD
14.994
15.
000 (0. 5903-
0.
5906) 14.9 (0.5866)
t
--
Piston ring travel
Top
0.04- 0.075 (0.0016- 0.0030)
0.
15
(0
. 0059)
Second
0025
- 0.06 (0.0010 -0.0024)
0.
I 5
(0.
0059)
in
groove
Oil
0.
015-0.045
(0.0006
0.00
18) 0.15 (0.0059)
Top 0.15
0.35
(0
.
0059
- 0.
01
38) 0
75
(00259)
Piston
ring
gap
Second
0.
15
0.35
(0.0059-0.0138)
o.
75
(0.0295)
Oil
0.
15
- 0.35 (0.0059 0.0138)
0. 75
(0
.0295)
Pump body-to-plunger cle.irance
0.025-0.063
(0.0010 0.0025)
0.
17
(0.0067)
Clutch outer-to-pump
rod
clearance
0.
025- 0.
07
S
(0.
00
I
0-0.
0030)
0.
I 5 (0. 005Q)
Fri
ction disc thickness
2.
92
- 3.08
(0
. I 150 0.1213) 2.6 (0.1024)
Clutch plate warpage
0.1
(0
.0039)
0.
2
(0.
0079)
Clutch spring load
2c.5il
7.4-19.4
kg
(0.8858/38.
36-42
77
kg)
'
-
Clutch spring free length
28.26 (1.1126)
2(,
7 (1.0512)
C-shift
fork finger width
S.36- 5.44 (0. 2110 0.2142)
5.
0
(0
. 1969)
-
Gearshift
drum
OD
31950
33.
975 (1.3366-
1.
3376)
33. 9
(I.
3346)
-
Gearshift fork
ID
34.000 34.025
(1
.3386- 1.3396)
34
.075 (1..1415)
-
Gearshift fork guide pin
0.1
1
0.
228
(0.0043-0.0090)
0.
5
(0
.0197)
clearance
in
grom·c
in
drum
1st,
2nd,
0.08!1-0. 179 (0.0035- 0.0070)
0.
2 (0. 0079)
Tran
smission
gear
3rd
~
backlash
4th
,
5th
0.094-0.188
(0.0037
0.0074)
0.
2 (0. 0079 J
I
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