Acura NSX 1997 Service Manual page 1186

Main Menu Table of Contents
Engine Oil
Replacement
CAUTION: Remove the drain plug carefully while the
engine is hot, the hot oil may cause scalding.
1. Warm up the engine.
2. Drain the engine oil.
3. Reinstall the drain plug with a new washer, and
refill with the recommended oil.
NOTE: Under normal conditions, the oil filter should be
replaced at every other oil change. Under severe condi-
tions, the oil filter should be replaced at each oil change.