BSA A50 Cyclone/Royal Star SPECIFICATIONS, PRICE & IMAGES

Bike Features

Make Model:
BSA A50 Cyclone/Royal Star

Year:
1962 – 70

Engine:
Four stroke, twin cylinder

Capacity:
498 cc  / 30.4 cub in.

Bore x Stroke:
65,5 x 74 mm

Cooling System:
Air cooled

Compression Ratio:
9.0:1

Lubrication:
Dry sump

Oil Capacity:
3 L / 6.3 US pints

Carburetors:
Dual, 1 1/16 in carburetors

Exhaust:
Twin, stainless steel

Ignition :
Coil

Spark Plug:
Champion N4, 0.025 in. gap

Starting:
Kick start

Max Power:
24.3 kW / 33 hp @ 5800 rpm

Clutch:
Multi-plate

Transmission  :
4-Speed

Final Drive:
Chain

Frame:
Tubular pipe, welded, double cradle with swingarm

Front Suspension:
Telescopic forks

Rear Suspension:
Double coil over

Front Brakes:
Drum, 8 in.

Rear Brakes:
Drum, 7 in.

Wheels:
Steel, wire spoke

Front Tyre:
3.25 x 19 in., ribbed

Rear Tyre:
4.00 x 18 in. K70

Dimensions:
Length: 
2100 mm / 81 in.
Height: 
Western: 1117 mm / 44 in. / Standard: 1028 mm / 40.5 in

Wheelbase :
1391 mm / 54.8 in.

Seat Height:
840 mm / 33 in.

Dry Weight :
141 kg / 311 lbs

Wet Weight:
177 kg / 391 lbs (4 gal tank)

Fuel Capacity :
18.2 L / 4.0
Imp gal
7.57 L / 2 US
gal