Honda TRX500FGA Owner's Manual page 318

Scheduled
Maintenance
Pre-ride Inspection
Fuel/Capacity
Engine Oil
Maximum Weight
Capacity
Quick Reference
Initial: 100 miles (150 km)
Regular: every 600 miles (1,000 km)
Check the following items each time
before you ride (page 97
radiator coolant, fuel, tires, driveshaft
boots, nuts & bolts, underbody & exhaust
system, air cleaner housing drain tube,
leaks, loose parts, cables, lights, throttle,
brakes, switches, steering.
unleaded gasoline, pump octane number
86 or higher
3.96 US gal (15.0 )
reserve:
0.66 US gal (2.5 )
API Service Classification SG or higher
except oils labeled as energy conserving
on the circular API service label,
SAE 10W-30, JASO T 903 standard MA,
Pro Honda GN4 4-stroke oil or equivalent
485 lbs (220 kg)
rider, all cargo and accessories
): engine oil,
Quick Reference