The United Kingdom has previously shown safety motorcycles based on large machines. These have incorporated the findings of research into both primary safety and secondary safety features. However, a large proportion of the machines used in the UK are of small capacity and many accidents occur to inexperienced riders. Consequently the exhibit for the 1989E SV Conferencei s based on a 125 cm³ motorcycle which satisfies the UK regulations as a machine whichcan be riddenundera leamer's licence. ESM-4 incorporates features designed to enhance conspicuity, anti-lock brakes, protection for the rider in frontal impacts, by means of an air-bag system, and a leg-protecting fairing. The paper discusses the design of these features and compliance with relevant specifications.