NSU Max primary drive Home › Forums › German Motorcycles › NSU Motorcycles › NSU Max primary drive Viewing 1 post (of 1 total) Author Posts 2014-07-01 at 5:50 pm #12533 Gingerman04Participant Just got a 1956 Max and I am hoping to check the primary drive oil. Question. Is the drive oiled by the engine oil or is it in its own compartment, also if it is separate how much does it hold. Many thanks in advance. Alan R Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.