In 1958, Velocette launched the Mk III LE with a foot operated gear change and a conventional kick start. An extra gear was added, together with 18-inch-diameter (460 mm) wheels. The instrumentation was relocated to the head lamp, and the petrol capacity was increased from a meagre 1.25 to 1.62 imperial gallons (5.7 to 7.4 l; 1.50 to 1.95 US gal).
|engine specs||Type:||Four-stroke, flat twin, water-cooled||Displacement:||192 cm3||Bore X Stroke:||2.0x1.9 in OR 51 mm||Compression Ratio:||7.1||Horsepower:||8/5000 KW(hp)/RPM||Torque:||0/- lb-ft/RPM OR 0 Nm/RPM||Fuel System:||Carburetor: Amal 363 monobloc|
|transmission specs||Gearbox:||4-Speed||Clutch:||Dry, three-plate||Primary Drive:||-||Final Drive:||Shaft|
|chassis specs||Frame:||Pressed steel frame||Front Suspension:||Telescopic fork||Rear Suspension:||Dual coil springs and spring loaded seat||Front Brake:||Drum||Rear Brake:||Drum|
|dimension specs||Overall Length:||82 in OR 2083 mm||Overall Width:||25 in OR 635 mm||Seat Height:||28 in OR 711 mm||Weelbase:||51.2 in OR 1300 mm||Ground Clearance:||4.5 in OR 114 mm||Weight:||276 lbs OR 125 kg||Fuel Capacity:||2 gallons OR 7.6 L|
|tyres specs||Front:||3.25 x 18"||Rear:||3.25 x 18"|
|power system specs||Power pack:||-||Nominal Capacity:||-||Maximum Capacity:||-||Charger type:||-||Charging time (normal):||-||Charging time (quick):||-||Range:||-|