| Bike | 2021 Honda CRF125FB (Big Wheel) |
| Standard Maintenance Interval | 965.61km (600mi) |
| Break-in Interval | 24.14km (15mi) |
| Engine Oil Change Interval | 965.61km (600mi) |
| Initial Valve Check | 965.61km (600mi) |
| Periodic Valve Check | 965.61km (600mi) |
| More on Engine Oil | Pro Honda GN4 4-stroke oil engine. SAE 10W-30/SAE 10W-40 |
| Idle Speed RPM | 1,400 +/- 100 |
| Sparks | NGK CPR6EA-9 |
| Spark Plug Gap | 0.8 – 0.9mm |
| Final Drive | Type: Chain 420 DID428HD Final Drive Ratio: 13 / 49 |
| Front Wheel | 70/100-19 70/100–19M/C 42M |
| Front Wheel Pressure (solo/dual riding) | 15psi (1.03bar, 103.42kPa) |
| Rear Wheel | 90/100-16 90/100–16M/C 51M |
| Rear Wheel Pressure (solo/dual riding) | 15psi (1.03bar, 103.42kPa) |
| Throttle Grip Free Play | 2 (0.08) – 6mm (0.24″) |
| Clutch Lever Free Play | 10 (0.39) – 20mm (0.79″) |
| Drive Chain Slack | 25 (0.98) – 35mm (1.38″) |
| Engine Oil Drain Bolt Torque | 24N·m (17.7ft·lbf) |
| Front Axle Bolt Torque | 62N·m (45.73ft·lbf) |
| Rear Axle Bolt Torque | 62N·m (45.73ft·lbf) |