| Bike | 2020 Honda CRF250RX |
| Standard Maintenance Interval | 7.5hrs |
| Engine Oil Change Interval | 15hrs |
| Initial Valve Check | 15hrs |
| Periodic Valve Check | 15hrs |
| Engine Oil Capacity With Filter Change | 1.12L (0.296gal.) |
| More on Engine Oil | Pro Honda GN4 4-stroke oil engine. SAE 10W-30/SAE 10W-40 |
| Idle Speed RPM | 2,000 +/- 100 |
| Coolant Capacity | 1.09L (0.288gal.) or 0.94L (0.248gal.) at draining |
| Sparks | NGK R0451B-9 |
| Spark Plug Gap | 0.6 – 0.7mm |
| Final Drive | Type: Chain 520 D.I.D 520MXV5/114ZB Final Drive Ratio: 13 / 48 |
| Fork Oil | Level: Capacity: 356cc + |
| Front Wheel | 90/90-21 90/90-21 54M DUNLOP AT81F |
| Front Wheel Pressure (solo/dual riding) | 15psi (1.03bar, 103.42kPa) |
| Rear Wheel | 110/100-18 110/100-18 64M DUNLOP AT81 |
| 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 | 35 (1.38) – 45mm (1.77″) |
| Engine Oil Drain Bolt Torque | 16N·m (11.8ft·lbf) |
| Engine Oil Filter Torque | 10N·m (7.38ft·lbf) |
| Front Axle Pinch Bolt Torque | 20N·m (14.75ft·lbf) |
| Front Axle Bolt Torque | 88N·m (64.91ft·lbf) |
| Front Brake Disc Bolt Torque | 16N·m (11.8ft·lbf) |
| Front Brake Caliper Mounting Bolt Torque | 30N·m (22.13ft·lbf) |
| Rear Axle Bolt Torque | 128N·m (94.41ft·lbf) |
| Rear Brake Disc Bolt Torque | 16N·m (11.8ft·lbf) |
| Drive Sprocket Bolt/Nut Torque | 31N·m (22.86ft·lbf) |
| Driven Sprocket Bolt/Nut Torque | 32N·m (23.6ft·lbf) |