SERVICING INFORMATION 9-31
CONROD + CRANKSHAFT
Unit: mm (in)
OIL PUMP
CLUTCH
Unit: mm (in)
ITEM STANDARD LIMIT
Piston ring groove width
1st
1.01 – 1.03
(0.0398 – 0.0406)
—
2nd
1.21 – 1.23
(0.0476 – 0.0484)
—
Oil
2.51 – 2.53
(0.0988 – 0.0996)
—
Piston ring thickness
1st
0.97 – 0.99
(0.0382 – 0.0390)
—
2nd
1.17 – 1.19
(0.0461 – 0.0469)
—
Piston pin bore 23.002 – 23.008
(0.9056 – 0.9058)
23.030
(0.9067)
Piston pin O.D. 22.992 – 23.000
(0.9052 – 0.9055)
22.980
(0.9047)
ITEM STANDARD LIMIT
Conrod small end I.D. 23.006 – 23.014
(0.9057 – 0.9061)
23.040
(0.9071)
Conrod deflection
—
3.0
(0.12)
Conrod big end side clearance 0.10 – 0.65
(0.004 – 0.026)
1.0
(0.039)
Conrod big end width 24.95 – 25.00
(0.982 – 0.984)
—
Crank web to web width 70.9 – 71.1
(2.791 – 2.799)
—
Crankshaft runout
—
0.08
(0.003)
ITEM STANDARD LIMIT
Oil pressure (at 60 °C, 140 °F) Above 120 kPa (1.2 kgf/cm
2
, 17.0 psi)
Below 160 kPa (1.6 kgf/cm
2
, 23.0 psi)
at 3 000 r/min.
—
ITEM STANDARD LIMIT
Clutch release screw 1/4 – 2/4 turn back —
Drive plate thickness 2.92 – 3.08
(0.115 – 0.121)
2.62
(0.103)
Drive plate claw width
—
13.18
(0.519)
Driven plate distortion
—
0.10
(0.004)
Clutch spring free length
—
33.8
(1.33)
Clutch wheel I.D.
140.0 – 140.2
(5.512 – 5.520)
Scuffing or
scratch on
contacting surface
Clutch shoe
—
No groove at
any part
Clutch engagement r/min. 1 500 – 1 900 r/min. —
Clutch lock-up r/min. 3 400 – 4 000 r/min. —
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