Described is a method of installing a cruise control on a motorcycle. A throttle member of the motorcycle is initially maintained with an installation fixture. The installation fixture may be a cube having six different sized bores to accommodate different sized throttle members. The cruise control is situated to encircle the throttle member and affixed with attachment means (e.g., screws). The throttle member is then attached or reattached to the handlebar thereby allowing the cruise control to control the motorcycle's speed.