1948 BSA B31 350cc Circa Specifications and Pictures

Old Classic Motorcycles BSA B31 350cc Circa 1948
1948 BSA B31 350cc Circa

BSA B31 1948 350cc Circa Specification:
Place Saver
Engine: 740 cc, inclined transverse light alloy
Arrangement: 3 Cylinders, OHV, Pushrod operated valves
Bore Stroke: 67 X 70
Compression Ratio: 9.5 : 1
Intake Open/Close° BTDC / ° ABDC :
Exhaust Open/Close ° BBDC / ° ATDC :
Carburetors: Amal (3) 626
Starter:
Ignition: 3 contact breakers (points), one coil per cylinder
Alternator:
Battery: 12V – ?Ah
Plugs:
Gear Box: Four Speed, Single Dry plate Diaphragm Spring Clutch
Gear Ratio 1st: 12.82
Gear Ratio 2nd: 8.88
Gear Ratio 3rd: 6.53
Gear Ratio 4th: 5.26
Sprocket Teeth (Front/Rear) - Chain: 18/53
Overall Length: 2230 mm, (88.5”)
Overall Width: 840 mm, (33”)
Overall Height:
Wheelbase: 1470 mm, (57”)
Seat Height: 810 mm, (32”)
Ground Clearance: 180 mm, (7”)
Dry Weight: 201Kg, (445 lbs)
Weight Limit:
Frame Type: Welded Duplex Cradle Frame
Front Suspension: Polished Al sliders, two way hydraulic damping
Rear Suspension: Swinging Fork, Hydraulic damped/adjustable
Front Tire/Wheel: 4.10 H X 19 TT100/Plated spokes and rims
Rear Tire 4.10 H X 19 TT100
Front Brake 8” 2LS 200
Rear Brake: 7” 1LS 180
Oil Capacity (SAE 10W-40) 2.8 l
Fuel Tank Capacity 18 l – ?l reserve (4.0 Gal, reserve .?gal)
Maximum speed/red line:
Tested Tank Distance:


Vintage Bike BSA B31 350cc Circa 1948
Classic Motorcycles BSA B31 350cc Circa

DESCRIPTION
BSA B31 350cc Circa 1948 ridgid Speedo In Tank Model

DETAILS
Make: BSA
Model: B31
Engine Size: 350cc
Year: 1948
Cylinders: 1
Colour:Green
Condition:Good
1948 BSA B31 350cc Circa Specifications and Pictures Reviewed by Barra Khatab On Monday, January 9, 2012, at 10:08 PM Rating: 5
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