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ENGINE: MAIN SPECIFICATIONS
ENGINE
MAIN SPECIFICATIONS
.
TROUBLE DIAGNOSIS AND CORRECTIONS
REMOVAL AND INSTALLATION
DISASSEMBLY
ASSEMBLY
..
11
page
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23
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24
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26
M A I N
SPECIFICATIONS
Engine.
«
Standard )) Version
«Super» Version
Type
·
·
100G.000
100G.002
Cycle and strokes
·
Otto, four-stroke
No.
of cylinders,
in line.
·
·
·
· ·
four
Bore
·
·
·
·
2.559" (65
mm)
Stroke
·
2.500"
(63.5 mm)
Displacement
·
51.44 cu.in (843 c.c.)
Compression ratio
8.0 to
I
8.8 to
I
Maximum horsepower (DIN)
· ·
·
34
37
at
·
·
4,800 r.p.m.
5,000 I.p.rn.
Maximum horsepower
(SAE)
·
· ·
40
42
at
.
·
·
·
S,300 r.p.m.
5,300 r.p.m.
Maximum torque (DIN)
·
·
· ·
39.8 it.lbs (5S0 kgcm)
40.5 it.lbs (560 kgcm.
at
3,200 r.p.m.
3,400 r.p.m.
Maximum torque (SAE)
·
42.7 it.lbs (590 kgcm)
44.1 ft.lbs (610 kgcm)
at
·
·
·
3,400 r.p.m.
3,600 r .p.m.
Taxable horsepower (Italy)
·
·
II
Crankshaft.
No.
of main bearings
·
·
three
Bearings
·
steel backed babbitt
Thrust ring halves
·
two, intermediate bearing top
Rotation
·
·
counterclockwise
Connecting Rods.
Bearings
·
·
steel backed babbitt
Pistons.
Type
·
·
·
steel-belted, slipper design
First ring
·
·
compression
Second ring
. ·
·
·
·
oil
Third ring
·
·
·
· ·
.
oil radial slotted
Boss bore
. .
·
·
.
.079" (2 mm) offset
Pin
,
·
·
·
press fitted
in
small end
(continued)
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