Honda NRX1800 2004 Owner's Manual page 244

Scheduled
Maintenance
Pre-ride
Inspection
Periodic
Checks
Fuel/Capacity
Engine Oil
Maximum
Weight
Capacity
Regular: every 4,000 miles (6,400 km)
Check the following items each time before you ride (page
leaks, loose parts, throttle, brakes, indicators, lights.
Check the following items monthly (page
freeplay, fuses, nuts & bolts.
unleaded gasoline, pump octane number 91 or higher
6.08 US gal (23.0 )
API Service Classification SG or higher except oils labeled as energy
conserving on the circular API service label,
SAE 10W-40, JASO T 903 standard MA,
Pro Honda GN4 or HP4 (without molybdenum additives) 4-stroke oil
or equivalent
276 lbs (125 kg)
rider and all accessories
Quick Reference
43 ): tires,
72 ): tires, fluids, lights,
Quick Reference