Nggawe versi sing luwih rumit saka ukara iki M25Y yaiku siji silinder rong stroke, displacement, hawa-digawe adhem, desain mesin bensin, kanthi pengurangan sabuk poly V.
Mesthi, versi sing luwih rumit saka ukara kasebut yaiku "M25Y minangka siji silinder rong stroke, displacement, disejukake udara, desain mesin bensin, kanthi drive pengurangan sabuk poly V kanthi rasio pengurangan 2.2: 1, 2.3: 1, 2.5: 1, 2.6: 1, 2.7: 1 lan 2.88: 1. "