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6
GENERAL FEATU RES
Engine
4-stroke, twin cylinder
Cylinder configuration: . . . . ........... . . . .. . ..... . . . . . 90° V-twin
Bore:
......... ....... . ......................... ...... . . . ........ . . . . .
Stroke: .... . . . . . .... . . . . . .... . . . . .......... ....... . . . . . . . . . . .... .... 78 mm
Displacement:
............................................... 948,8
Compression ratio: . . . . . . . ............ . . . . . ....... . . . . . . . .... . . . . 10:1
Max. torque: . . . . . ..... . ........ ......... 8,43 kgm at 6250 rpm
Valve gear
O.H.V. push rod operated rocker arms
Carburettors
2 Dell'Orto carburettors «PHM
«PHM 40 NS" (left).
Lubrication
Pressure fed by gear pump.
Whire mesh and cartridge filters on oil sump.
Normal lubrication pressure 3.8+4.2 kglcm2 (pressure
valve on oil sump).
Low oil pressure sensor (electrical) on crankcase.
Generatorl
Alternator
On front of crankshaft (1 4V - 20A).
Ignition
COil-battery ignition with double contact breaker and
centrifugal automatic advance.
- ignition advance (static) .... . . . . . . . ...... . . . . . . ........... 8°±1
- automatic advance .......... . ...... ............ . . . .... . . . 26°±2°
- full advance (s.+a.) ....... ............ ........ . . . . . ....... 34°±2°
88 mm
Spark plug gap: 0.6 mm (0.024").
cc
Starting
bolted on flywheel. Starter button (start) on right of
Transmission data
(right) and
40 NO"
Clutch
Twin driven plates, dry type, on flywheel. Hand con
trolled by lever on left of handlebars.
Transmission
5 speeds, frontal engagement, constant mesh gears.
Gear ratios:
Low gear
3rd gear
4th gear
Ignition data:
C ontact breaker poi nts gap: 0,37+0,43 mm
(0.015+0.017").
Spark plugs: Bosch
W
5 DC;
2 ignition coils fitted on frame.
Electric starter with solenoid engagement. Ring gear
handlebars.
drive
Primary
By gears. Ratio: 1 to 1 .235 (tooth ratio 17/21) .
Cush drive incorporated.
Pedal operated on the left side of the motorcycle.
1 to 2
(tooth ratio 14/28)
=
2nd gear
1 to 1 .388 (tooth ratio 1 8/25)
=
1 to 1 .047 (tooth ratio 21 /22)
=
1 to 0.869 (tooth ratio 23/20)
=
°
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