Details & Changes.
Transmission.

The above two pictures shows the transmission as it looked until ch. number
20-047016. Until this ch. number it was unsynchronised. The red circle is
where to fill in oil. It is the easiest way to recognize the unsynchronised
transmission.

The above two pictures is a synchromesh transmission. At this type only the
1. gear was unsynchronised. It is how it looked from ch. number 20-047017
until 20-117902.