1963 BSA A10
Pre-Unit 650 Twin


1963 BSA A10 SUPER ROCKET

1963 BSA A10 SUPER ROCKET
The Super Rocket was launched in 1957 with the introduction of a new alloy cylinder head and the addition of an Amal TT carburetor. In 1961 a new "357" high-lift racing cam was added. 1963 was the final year (a partial year) of A10 production as they ramped up production of the new unit-construction 650 A65, which started in late 1962, with over a year of overlapping production. With both bikes sitting side-by-side in the showroom, the old and the new, it must have been disheartening when BSA realized that the old bikes were selling better than the new ones. The 1963 BSA A10 Super Rocket was the last of the A10s, and represents the pinnacle of BSA's pre-unit bikes.

1963 BSA A10 SPECIFICATIONS

Engine type

Displacement

Bore & Stroke

Compression

Carburetor

Engine output

Primary drive

Clutch

Final drive

Gearbox

Ratios, overall:

1st, Bottom

2nd

3rd

4th, Top

Wheelbase

Seat height

Ground clearance

Suspension, front

Suspension, rear

Brakes, front

Brakes, rear

Tires, front

Tires, rear

Fuel capacity

Curb weight

Air-cooled OHV vertical twin

646cc

70mm X 84mm

8.3:1

1- Amal Monobloc (TT)

42 hp @ 6,000 rpm

1/2" X .305 single-row chain

Multi-plate, wet

5/8" X 3/8" chain

BSA constant-mesh 4-speed, foot shift


11.68:1

7.96:1

5.48:1

4.53:1

56.0"

30.0", unladen

6.0", unladen

telescopic forks, 2-way damping

swing arm, 2 hydraulic dampers

8.0" SLS drum

7.0" SLS drum

3.25" x 19"

3.50" x 19"

4.0 gal

439 lbs



MORE BSA PAGES:
BSA Motorcycles
..... BSA Gold Star
..........1939
..........1953
..........1954
..........1961
..........1962
..... BSA A7 (pre-unit 500)
..........1952
..........1955
..... BSA A10 (pre-unit 650)
..........1951
..........1954
..........1957
..........1958
..... BSA A65 (unit-construction 650)
..........1962
..........1963
..........1964
..........1965
..........1966
..........1967
..........1968
..........1969
..........1970
..........1971
..... BSA Rocket 3 (750 triple)
..........1969
..........1971
..... BSA Bantam


Check out these BSA BOOKS





BSA Motorcycles: The Final Evolution



The BSA Gold Star: Motorcycle History



Illustrated Bsa Buyer's Guide (Motorbooks International Illustrated Buyer's Guide)



Bsa Twin Restoration



BSA Unit Singles: The Complete Story including the Triumph Derivatives



Bsa Motor Cycles: Since 1950 (British Motor cycles since 1950)



BSA Unit Twins



BSA 500 & 650 Twins: The Essential Buyer's Guide



Triumph and Bsa Triples



How to Restore Triumph Trident T150/T160 & BSA Rocket III: YOUR step-by-step colour illustrated guide to complete restoration (Enthusiast's Restoration Manual)




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