Honda CRF50F 2004 Owner's Manual page 177

Quick Reference
Initial Maintenance
Regular
Maintenance
Pre-ride Inspection
Fuel/Capacity
Engine Oil
Maximum Weight
Capacity
Tires
Tire Pressure (cold)
Spark Plug
Quick Reference
about 100 miles (150 km) or one month.
about every 600 miles (1,000 km) or six months.
Check the following items each time before you ride (page
leaks, engine oil, fuel, drive chain, cables, nuts & bolts, spark plug & cap, throttle, and
brakes.
unleaded gasoline, pump octane number of 86 or higher
0.79 US gal (3.0 )
tank:
0.24 US gal (0.9 )
reserve:
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
88 lbs (40 kg)
rider only (no passenger or cargo) and any accessories
Front: 2.50-10 33J , Rear:
Front: 15 psi (100 kPa , 1.0 kgf/cm )
Rear: 18 psi (125 kPa , 1.25 kgf/cm )
CR6HSA (NGK) or U20FSR-U (DENSO)
2.50-10 33J
27 ): tires, spokes & rims,