VALVE GUIDES
Bore (mm) 8-8,022 (0.3150-0.3158 in)
External dia (mm)
nominal 13 mm (.512 in)
repair size
1st oversize 13.1 (.516 in)
2nd oversize 13.25 (.522 in)
Valve guide positions
Exhaust
I—^
\^r^
-
•^
Inlet
*->
|
I
i
re
; ' !
'16.30
16.30-
Fj9±
\
VALVES
Stem dia (mm)
Angle (included)
inlet
8
mm (0.315")
exhaust 8 mm (0.315")
VALVE SPRINGS
Inlet and Exhaust Valve Springs are identical.
Approx. free length (mm) 47.2 (1.858")
Lenath (mm) under load of
56.3
lbs 40 (1.268"!
124 lbs 32.2(1.268";
Length Coil Touching 30(1.181")
Coil (mm)
Wire Diameter (mm) 4,2(1,153")
Coil Internal Dia (mm) 21.4
(.842")
CAMSHAFT
Number of Bearings
End Play (mm)
0,07
to
0,14
(.003" to .0055'
VALVE TIMING
With tappets adjusted to a clearance of 0,7 mm
(.028")
Inlet Valve Opens
Inlet Valve Closes
Exhaust Valve Opens
Exhaust Valve Closes
CONNECTING RODS
Bearing Shell Material: Aluminium-Tin
Side Clearance (mm) 0,20 to 0,38
(.008 to .015"
CRANKSHAFT
Number of Bearings
Main Bearing Shell Material
Aluminium-Tin
End Play (mm)
0,07 to 0,27
(.003 to .010"
Thrust Washer Thickness (mm)
-2,30
-2,40
-2,45 -2,50
i-.0905
-.0944 - 0964 - 0984")
Roll-Hardened Main Bearing Journals:
nominal diameter (mm) 70.062 (2.7583")
regrind diameter (mm) 69,762 (2.7465")
regnnding
tolerance (mm)
0 —
0,019
(-.0007")
LINERS
Bore (mm)
Base Locating Diameter
Liner Protrusion (mm)
Liner Base Seal Thickness
Blue Tag
White Tag
Red Tag
Yellow Tag
91 mm (3.58 in)
93,48(3.6803 in)
0,16
to
0,23
(.006
to
.009")
(mm)
0,087
0,102
0,122
0,147
PISTONS
Gudgeon Pin Fitting: Press
—fit
in small end and
free turning in piston.
FITTING DIRECTION:
Arrow Facing Timing Gear End.
Gudgeon Pin Length (mm) 72 (2.8346")
Gudgeon Pin Dia (mm)
External 23,5 (.9252")
Bore 15 (.5906")
3 Piston Rings, Thickness (mm)
BTDC
ABDC
BBDC
ATDC
LH
9°
45°
45°
9°
RH
7°
43°
43°
7°
1 Top Ring
1 Taper Compression Ring
1 Oil Scraper
Gap Measurement:
1,5
(.059")
2
(.079")
4
(.158")
Supplied
Pre-adjusted
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