The "850 cc" MK3 Commando was launched in 1975 with an improved specification--electric starter, isolastic head steady for improved vibration absorbtion, left side gear change and right side foot brake to comply with United States vehicle regulations, and a rear disc brake.
The "850 cc" MK3 Commando was launched in March 1975 and for the first time was fitted with an electric starter. The range of models was reduced to just two machines, the "Mk.3 Interstate" and the "Roadster", both with a left side gear change and a right foot brake to comply with United States vehicle regulations, and a rear disc brake.