1947 Velocette KSS

1947 VELOCETTE KSS BACKGROUND
The Velocette KSS debuted in 1925 as an OHC (overhead cam) 350cc air-cooled single. Being OHC placed it at the cutting edge of engine technology at a time when most machines still used side-valve designs or pushrods. The name KSS breaks down to the K for overhead cam (the German spelling is kam), and SS for Super Sport. It made 19 horsepower at 5,800 rpm. The KSS was completely redesigned for the 1935 model year, making everything after a Mark II through the 1948 model year. Part of the bevy of improvement that went into the Mark II was a new aluminum alloy cylinder head with fully enclosed valve gear. The 1946 Velocette KSS was the first year of renewed civilian production, after the end of World War II, and it was largely a carry-over from the pre-war models. Improvements were made as production continued. The 1947 Velocette KSS now could be ordered (as an option) with Dowty Oleomatic telescopic front forks instead of the girder front forks on the 1946-and-earlier models. This must have been one of the last built with the girder forks.

1947 Velocette KSS SPECIFICATIONS

Engine type

Displacement

Bore & Stroke

Compression ratio

Carburetor

Ignition

Engine output

Primary drive

Clutch

Gearbox

Frame type

Suspension, front

Suspension, rear

Brake, front

Brake, rear

Wheelbase

Seat height

Ground clearance

Fuel capacity

Top Speed

Air-cooled OHC single

348cc / 21.3ci

74mm X 81mm

7.0:1

Amal

Bodine magneto

25 bhp

Chain

Multi-plate, wet

3-speed

Backbone w/engine as stressed member

Girder

Rigid

7" SLS drum

7" SLS drum

53.75" / 136.5cm

28.0" / 71cm

4.25" / 10.0cm

2.25 US gal / 8.5L

90mph



MORE VELOCETTES
Velocette Motorcycles
.....Velocette KSS
..........1938 Velocette KSS
..........1946 Velocette KSS
..... Velocette MAC
..........1938 Velocette MAC
..........1949 Velocette MAC
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..........1953 Velocette MAC
..... Velocette LE


Check out these VELOCETTE BOOKS





Velocette Motorcycles



BOOK OF THE VELOCETTE ALL SINGLES & TWINS 1925-1970



Velocette: Production Motorcycles (Crowood Motoclassics)



Velocette Motorcycles - MSS to Thruxton: New Third Edition



The Velocette Saga: The Story of a Great Motorcycle



Velocette 350 & 500 Singles: All 350 & 500cc models 1946-1970 (Essential Buyer's Guide)



Always in the Picture: History of the Velocette Motorcycle



Velocette: The Racing Story (Crowood Motoclassics)



Velocette (Illustrated Motor Cycle Legends)



Velocette - Technical Excellence Exemplified


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Last updated 12/10/17

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