Honda NSX-T 1998 Manual page 502

Main Menu Table of Contents
Replacement
CAUTION: Remove the drain plug carefully while the en-
gine 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.