All 1985-1986 models are equipped with either CIS or CIS-E fuel injection. Most 1987 models are equipped with either CIS or CIS-E. Small numbers of 1987 models and all 1988-1990 models are equipped with the Digifant II engine management system. 1991 and 1992 models, except in California, are also equipped with the Digifant II system. 1991 and later California models are equipped with the Digifant I system.