Inspection items
Standard
Dimension
Standard
Value
To Be
Repaired
Allowable
Limit
Remarks
CRANKSHAFT (Continued)
Roughness, main journal and crank pin
1.6Z
Crankshaft deflection
less than 0.03
(less than.001")
more than 0.06
(more than .002"
)
Axial play of crankshaft
0.05-0.3
(.002-.012")
0.5
(.020")
Thickness of thrust washer
2.0
(.080")
1.95-2.0
(.076-.080")
1.8
(.070")
O.D. x I.D. of bush (journal metal)
46 x 50
(1.811-1.969")
Under size (0.25, 0.5)
(.010-.020")
Crush height of bush (journal metal)
0.074-0.130
(.003-.005")
Clearance between crankshaft and
journal (bush)
0.039-0.106
(.0015-.004")
0.2
(.009")
Oil clearance
I.D. x O.D. of center bearing
46 x 50
(1.811-1.969")
Under size (0.25, 0.5)
(.010-.020")
Clearance between crankshaft journal
and center bearing
0.039-0.092
(.0015-.004")
0.2
(.009")
Oil clearance
Tightening allowance of center bearing
0.008-0.048
(.0003-.0018")
Crush height
VALVE SYSTEM
CAMSHAFT
VALVE
Diameter of intake valve stem
6.955-6.97
(.2738-.2744")
1
6.89
(.271
")
Diameter of exhaust valve stem
6.94-6.95
(.273-.274")
6.84
(2.69")
Clearance between valve
I
Inlet
stem and valve guide
0.03-0.06
(.001
-.002")
more than 0.2
(more than .007")
Exhaust
0.05-0.75
(.002-.003")
more than 0.25
(more than.010")
Valve clearance (Intake/exhaust)
0.2
0.5
When cold
(.008") (.020")
Spring strength (at 30.4mm
8.1
7
compressed length) kg
(3.6lb/ft)
(3.21b/ft)
Free length
35
(1.4")
33.5
(1.3")
InletvalveO
pen-beforel.u.u.
1i
timing
Close-
After B.D.C.
43°
Exhaust valve
Open-BeforeB.D.C.
43°
timing
Close-AfterTD.C.
13°
PUSH ROD
Overall length
157
156.8-157.2
(6.18")
(6.173-6.189")
Outer diameter
6.3
(.248")
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