The Safe and Easy Way to Move an Outboard Motor. Motor Caddy is sized to be quickly attached to most outboards from 2-15 horsepower. This improved design features a longer strap to fit 4-stroke motors and an added security strap for today`s streamlined engine cases. Made of UV resistant materials that will endure the marine environment for those who prefer a semi-permanent installation. Glass filled nylon buckles insure that Motor Caddy is easy to install and remove. Makes lifting and moving cumbersome motors safer and simpler. Patented.