The third of Velocette’s overhead-valve, high-camshaft, single-cylinder designs. The MSS model was first produced in 1935, and was the third of the M-series of overhead-valve singles which included the MOV, MAC, Venom, and ultimately the Thruxton, all of which featured the high-camshaft layout.
source.image: classic-motorcycle.com
- Manufacturer: Velocette
- Model: MSS
- Year: 1961
- Displacement: 495 ccm
- Cylinder: 1
- Engine type: 4-stroke / ohv
- Bore / Stroke: 86 x 86 mm
- Power: 27hp @ 5000 RPM
- Compression Ratio: 1:6.75
- Weight: 170 kg
- Top Speed: 130 km/h
The first of these new models had been the 250cc MOV of 1933, which was joined for 1934 by a long-stroke 350cc version – the MAC. In creating the MSS, Veloce kept to the basic design, combining the MAC’s 96mm stroke with a larger bore to create its new ‘500’.
The MSS engine went into a new frame derived from that of the racing KTT. The model disappeared from Veloce Limited’s range in 1948 while the company concentrated on the LE, reappearing in 1954 with a new swinging-arm frame and Hall Green’s own telescopic front fork.
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It has been restored a numbers of years ago and is equipped with a Smiths speedo and Amal carburetor. This bike in well-kept condition and runs fine.
