Acura NSX 1991 Manual page 966

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Engine Oil
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.
WASHER
Replace.
DRAIN PLUG
45 IM-m (4.5 kg-m, 33 Ib-ft)
3. Reinstall the drain plug with a new washer, and refill
with the recommended oil.
CAUTION: Do not overtighten the drain plug.
Requirement API Service Grade: Use "Energy
Conserving II" SG or SH grade oil.
SAE 10W-30 preferred.
You can also an oil a cantainer that
bears API CERTIFICATION mark.
Capacity 5.0 (5.3 US qt, 4.4 Imp qt)
at change, including filter.
6.3 (6.7 US qt, 5.5 Imp qt)
after engine overhaul.
Every 7,500 miles (12,000 km) or
Change
6 months whichever comes first.
Table of Contents
API CERTIFICATION MARK
The numbers in the middle of the API Service label tell
you the oil's SAE viscosity or weight. Select the oil for
your car according to this chart:
Ambient Temperature
An oil with a viscosity of 10W —30 is preferred for im-
proved fuel economy and year-round protection in the
car.
You may use a 5W —30 oil if the climate in your area is
limited to the temperature range shown on the chart.
4. Fill the engine with oil up to the specified level, run
the engine for more than 3 minutes, then check for
oil leakage and oil level.