1997 Model

Warm up the engine.
Drain the engine oil.

Fig 1: Drain Bolt With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Reinstall the drain bolt with a new washer, and refill the engine with the recommended oil.

ENGINE OIL CAPACITY SPECIFICATION

Requirement	API Service Grade: Use "Energy Conserving II" SH grade oil. SAE 5W-30 preferred. You can also use an oil that bears the API CERTIFICATION mark.
Capacity	3.6 l (3.8 US qt, 3.2 Imp qt) at change, including filter. 3.3 l (3.5 US qt, 2.9 Imp qt) at change, without filter. 4.0 l (4.2 US qt, 3.5 Imp qt) after engine overhaul.
Change	Every 7,500 miles (12,000 km) or 12 months (Normal Conditions). Every 3,750 miles (6,000 km) or 6 months (Severe Conditions).

NOTE: Under normal conditions, the oil filter should be replaced at every other oil change.
Under severe conditions, the oil filter should be replaced at each oil change.

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:

Fig 2: SAE Viscosity Chart

Courtesy of AMERICAN HONDA MOTOR CO., INC.

An oil with a viscosity of 5W-30 is preferred for improved fuel economy and year-round protection in the car. You may use a 10W-30 oil if the climate in your area is limited to the temperature range shown on the chart.

Fig 3: Identifying API Service Label

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Run the engine for more than three minutes, then check for oil leakage. Recheck the oil level, and add oil if necessary.