The S2000 takes 5.1 Quarts of Oil.
5.1 quarts
None. The S2000 did not exists in 1993.
I use a high quality synthetic such as Mobil 1.
Take it to the stealership and get your brakes checked
There is a problem with the emissions system. Take it to a professional for diagnosis and repair.
3 quarts
Depends on where you live and if you take it to a Honda dealer or an independent mechanic.
H4
All the way down. Take the stick out wipe it, put it back in then out again, oil should be kept to the top X on the stick.
Automatic transaxle models take 5.7 quarts, manual transaxle models take 5.8 quarts.
A Honda CT110 will take 0.9 liters of oil
Take it to the garage