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The front wheel has a detachable spindle.
The rear wheel has a special cushion drive.
Tyres and pressures are as follows:
Front wheel
Rear wheel
Model
250
Tyre
Pressure
Tyre
Pressure
GT and MONZA
2.75-18 ribbed
2,25 Kg/cm2
3,00-18 grooved
2,25 Kg/cm2
(32.01
(32,01
Ib/sq. inc.)
Ib/sq. inc.)
MARK ILL and
2.50-18 ribbed
2,25 Kg/cm2
2,75-18 grooved
2,25 Kg/cm2
MACH 1
(32,01
(32,01
"
"
Ib/sq. rìiê.)
Ib/sq. inc.)
SCRAMBLER
3,00-19 grooved
2,25 Kg/cm2
3.50-19 grooved
2,25 Kg/cm2
for Motocross
(32,01
for Motocross
(32,01
Ib/sq, inc.)
Ib/sq. inc.)
BRAKES
'Dhe brakes are of the expanding type with two brake-
shoes, - hand operated the front and pedal operated the
rear - with finned brake drums of large diameter width,
and with non fade brake linings.
The diameter of the front brake drum is 180 mm
(7.0866") , the diameter of the rear drum is 160 mm
(6.2992") .
NEW ELECTRICAL SYSTEM
(250 GT - MONZA - MACH i)
The lighting is provided by a storage battery which is re-
charged by the DUCATI flywheel alternator and rectifier.
The head-lamp APRILIA of large diameter carries 3
lights.
A mile speedometer VEGLIA with dial of 100 for the
250 GT and Monza, and of 150 for the 250 MACH 1,
is incorporated in the same headlamp.
The 3-way switch for the light control is situated on the
head lamp. A removable key, placed on the headlamp pro-
vides the contact for the ignition. By removing the key
the engine is stopped.
Alongside the lefthand grip of the handlebar is the switch
for the diplight, the antidazzle light, and the button for
the horn.
- -'--'---._-~ ---._._---- ~-"--~- -------_._~---.~-~
36
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