| Bike | 2008 Honda CRF450X |
| Standard Maintenance Interval | 965.61km (600mi) |
| Break-in Interval | 160.93km (100mi) |
| Engine Oil Change Interval | 965.61km (600mi) |
| Transmission Oil Change Interval | 600km (372.82mi) |
| Initial Valve Check | 160.93km (100mi) |
| Periodic Valve Check | 965.61km (600mi) |
| Engine Oil Capacity With Filter Change | 0.7L (0.185gal.) |
| More on Engine Oil | Pro Honda GN4 4-stroke oil engine. SAE 10W-30/SAE 10W-40 |
| Transmission Oil | 0.65L (0.172gal.) |
| Idle Speed RPM | 1,700 +/- 100 |
| Coolant Capacity | 1.45L (0.383gal.) or 1.21L (0.32gal.) at draining |
| Sparks | NGK IFR8H11 |
| Spark Plug Gap | 1 – 1.1mm |
| Final Drive | Type: Chain 520 DID520MXV Final Drive Ratio: 13 / 51 |
| Fork Oil | Level: 45mm (1.77″) Capacity: 350cc +/- 42cc |
| Front Wheel | 80/100-21 DUNLOP D742FA |
| Front Wheel Pressure (solo/dual riding) | 15psi (1.03bar, 103.42kPa) |
| Rear Wheel | 110/100-18 DUNLOP D756 |
| Rear Wheel Pressure (solo/dual riding) | 15psi (1.03bar, 103.42kPa) |
| Headlight | 12V-35W Halogen /35W |
| Taillight | LED |
| Valve Clearance | IN: 0.16mm +/- 0.03mm EX: 0.28mm +/- 0.03mm |
| Throttle Grip Free Play | 3 (0.12) – 5mm (0.2″) |
| Clutch Lever Free Play | 10 (0.39) – 20mm (0.79″) |
| Drive Chain Slack | 25 (0.98) – 35mm (1.38″) |
| 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) |