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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.
All manuals and user guides at all-guides.com
88 mm
cc
40 NO"
(right) and
Ignition data:
- ignition advance (static) .... . . . . . . . ...... . . . . . . ........... 8°±1
- automatic advance .......... . ...... ............ . . . .... . . . 26°±2°
- full advance (s.+a.) ....... ............ ........ . . . . . ....... 34°±2°
C ontact breaker poi nts gap: 0,37+0,43 mm
(0.015+0.017").
Spark plugs: Bosch
W
5 DC;
Spark plug gap: 0.6 mm (0.024").
2 ignition coils fitted on frame.
Starting
Electric starter with solenoid engagement. Ring gear
bolted on flywheel. Starter button (start) on right of
handlebars.
Transmission data
Clutch
Twin driven plates, dry type, on flywheel. Hand con
trolled by lever on left of handlebars.
Primary
drive
By gears. Ratio: 1 to 1 .235 (tooth ratio 17/21) .
Transmission
5 speeds, frontal engagement, constant mesh gears.
Cush drive incorporated.
Pedal operated on the left side of the motorcycle.
Gear ratios:
Low gear
1 to 2
(tooth ratio 14/28)
=
2nd gear
1 to 1 .388 (tooth ratio 1 8/25)
=
3rd gear
1 to 1 .047 (tooth ratio 21 /22)
=
4th gear
1 to 0.869 (tooth ratio 23/20)
=
°
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