there is a large nut below and forward of the shifter
Eng oil capacity 1985 Honda 200 m atc?
.8 of a liter .8 of a US quart.
10w 40
10-40 Honda oil or some good oil from auto parts store
rotary oil filter accessed by removing right side cover 'clutch cover' filter housing identified by circular shape and three Philips screws for cover also has screen at pick up that can be removed and cleaned when cover is off
quart and a half
10W-40 is what the Honda dealership told me
no just gas
it uses about 2 and a half quarts
If you mean the oil drain bolt it is on the left side on the bottom of the engine its a big bult when it comes out there will be a spring and oil filter
Drain the old and add the new...use SAE 10-40