Honda CRF50F 2009 Owner's Manual page 176

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 1 month.
about every 600 miles (1,000 km) or 6 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
0.69 US gal (2.6 )
tank:
0.18 US gal (0.7 )
reserve:
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
88 lbs (40 kg)
rider only (no passenger or cargo) and any accessories
Front: 2.50-10 33J , Rear:
bias-ply, tube
Type:
15 psi (100 kPa , 1.00 kgf/cm )
Front:
18 psi (125 kPa , 1.25 kgf/cm )
Rear:
CR6HSA (NGK) or U20FSR-U (DENSO)
2.50-10 33J
27 ): tires, spokes & rims,