Honda Civic 1998 1.4 petrol service and maintenance
90 HP, 120 Nm, Manual gearbox, Front wheel drive (FWD)
Engine oil
Engine oil capacity: 3.3 litres (3.5 quarts)
Recommended oil type (Oil Viscosity Classification SAE) is 5W-30
Timing belt
Based on practical experience, recommended Honda Civic 1.4 timing belt change interval is 90,000 km when belt should be replaced, or at least periodically check the belt's condition after this mileage and replace it at the first sign of damage.
Running your car in aggressive environments (e.g. salt, sand, etc.) causes timing belt to degrade faster and reduces its lifespan; under such conditions, the belt may need to be replaced sooner.

Honda Civic 1998 Aero Deck 1.4i 1998 - 2001 Honda Civic 1998 technical data
Honda Civic 1998 owner reviews
Always consult your vehicle manufacturer's service manual for service intervals and specifications!