Beta Ark AC User Manual

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TECHNICAL DATA
Max load
• Driver + luggage. . . . . . . . . . . . . . . . . . . . . . . . 176
Vehicle’s weight under running conditions
• L.C. Mod (Kg) . . . . . . . . . . . . . . . . . . . . . . . . . . 96
• Air-cooled mod. (Kg). . . . . . . . . . . . . . . . . . . . . . 85
Dimensions
• Total length (mm). . . . . . . . . . . . . . . . . . . . . . 1740
• Total width (mm) . . . . . . . . . . . . . . . . . . . . . . . 750
• Total height (mm). . . . . . . . . . . . . . . . . . . . . . 1150
• Wheel base (mm). . . . . . . . . . . . . . . . . . . . . . 1240
Capacity
• Petrol tank (lt). . . . . . . . . . . . . . . . . . . . . . . . . . 7,5
Including spare supply of 1,5 lt
• Fuel mixture tank (lt) . . . . . . . . . . . . . . . . . . . . . 1,3
Including spare supply of 0,2 lt
• Transm.oil in sump (lt). . . . . . . . . . . . . . . . . . . 0,10
• Coolant in radiator (L.C.mod.) (lt). . . . . . . . . . . . . . 1
Frame
• Split steel single-tube
Front-wheel suspension
• Telescopic hydraulic fork
Stems oil content:
- right . . . . . . . . . . . . . . . . . . . . . . . . Max 120 cm
3
- left . . . . . . . . . . . . . . . . . . . . . . . . . Max 120 cm
3
Rear-wheel suspension
• Swinging motor with oleo damper
Front brake
• Disck brake with hydraulic control
Rear brake
• Hydraulic disk brake or mechanical drum brake (depen-
ding on model)
Engine
• Minarelli
• Cylinders n°. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
• Bore x stroke (mm) . . . . . . . . . . . . . . . . . 40 x 39,2
• Displacement (cm
3
). . . . . . . . . . . . . . . . . . . . . 49,3
• Compression ratio . . . . . . . . . . . . . . . . . . . . . 12 : 1
• Forced air or liquid cooled
depending on model
• Electronic ignition
• Electric starting / kick starter
• Spark plug type (L.C. mod.):
- NGK BR 8HS
- CHAMPION RL 78C
• Spark plug type (air cooled mod.):
- NGK BR 7HS
- CHAMPION RL 82C
Transmission
• Automatic variator with “V” belt primary transmission,
centrifugal dry clutch
Fuel supply
(L.C. mod.):
• Carburetor. . . . . . . . . . . . . . . . . . . . TEIKEI 12 - 4 FK
Jet . . . . . . . . . . . . . . . . . . . . . . . . max 74 - min 44
• Carburetor . . . . . . . . . . . DELL'ORTO OTK PHVA 12 HS
Jet . . . . . . . . . . . . . . . . . . . . . . . . max 74 - min 38
(air-cooled mod.):
• Carburetor . . . . . . . . . . . . . . DELL'ORTO PHVA 12 HS
Jet . . . . . . . . . . . . . . . . . . . . . . . . max 78 - min 40
• Automatic starting device
• Operation with FOUR-STAR mixture and automatically
metered oil
Electric components
Battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V - 4A
Magneto flywheel. . . . . . . . . . . . . . . . . . . . . 12V - 60W
Headlamp:
• Dimmers . . . . . . . . . . . . . . . . . . . . . . . . 12V - 20W
• Parking lights. . . . . . . . . . . . . . . . . . . . . . 12V - 5W
Tail lamp:
• Two-lights lamp . . . . . . . . . . . 12V - 21W / 12V - 5W
Turn indicators:
• Head and tail . . . . . . . . . . . . . . . . . . . . . 12V - 10W
Dashboard lighting . . . . . . . . . . . . . . . . . . . 12V - 1,2W
Dashboard pilot lamps. . . . . . . . . . . . . . . . . 12V - 1,2W
Relays . . . . . . . . . . . . . . . . . . . . . . . . . . 12V - 30A NA
Intermittence . . . . . . . . . . . . . . . . . . . . . . . . 12V - 23W
Fuse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7,5A

Beta Ark AC Specifications

General

Brand	Beta
Model	Ark AC
Category	Motorcycle
Language	English