Daughters 07 Suzuki ltz 4 stroke 50 - the dynatek CDi will run fine on limit 1 which is top speed rpm curve but will not limit down on limit 2- 3 or 4 which would be 4 mph - the CDi tested fine when sent back to dynatek & they also gave me a test unit & it does same thang - ALSO CDi runs top speed on limit 1 & limit 4 -The CDi does not reduce speed on any of the settings ? Any help would be greatfully appreciated -