| Bike | 2021 Honda CRF150R Expert (Big Wheel) |
| Standard Maintenance Interval | 2.5hrs |
| Engine Oil Change Interval | 15hrs |
| Initial Valve Check | 15hrs |
| Periodic Valve Check | 15hrs |
| Engine Oil Capacity With Filter Change | 0.59L (0.156gal.) |
| More on Engine Oil | Pro Honda GN4 4-stroke oil engine. SAE 10W-30/SAE 10W-40 |
| Idle Speed RPM | 2,100 +/- 100 |
| Coolant Capacity | 0.76L (0.201gal.) or at draining |
| Sparks | NGK CR8EH-9/CR9EH-9, DENSO U24FER9/U27FER9 |
| Spark Plug Gap | 0.8 – 0.9mm |
| Final Drive | Type: Chain 420 Final Drive Ratio: 15 / 56 |
| Front Wheel | 70/100-19 70/100-19 42M DUNLOP MX71F/BRIDGESTONE M61 |
| Front Wheel Pressure (solo/dual riding) | 15psi (1.03bar, 103.42kPa) |
| Rear Wheel | 90/100-16 90/100-16 52M DUNLOP MX71/BRIDGESTONE M58 |
| Rear Wheel Pressure (solo/dual riding) | 15psi (1.03bar, 103.42kPa) |