| Bike | 2018 Suzuki DR-Z400S |
| Standard Maintenance Interval | 5,632.7km (3,500mi) |
| Break-in Interval | 804.67km (500mi) |
| Engine Oil Change Interval | 5,632.7km (3,500mi) |
| Initial Valve Check | 23,335.49km (14,500mi) |
| Periodic Valve Check | 23,335.49km (14,500mi) |
| Engine Oil Capacity With Filter Change | 1.8L (0.476gal.) |
| More on Engine Oil | SUZUKI PERFORMANCE 4 MOTOR OIL SAE 10W-40 |
| Idle Speed RPM | 1,500 +/- 100 |
| Coolant Capacity | 1.25L (0.33gal.) or at draining |
| Sparks | DENSO U24ESR-N / NGK CR8E |
| Spark Plug Gap | 0.7 – 0.8mm |
| Final Drive | Type: Chain 520 RK520KZO Final Drive Ratio: 15 / 44 |
| Front Wheel | 80/100-21 80/100-21M/C 51P BRIDGESTONE TRAIL WING-41 |
| Front Wheel Pressure (solo/dual riding) | 18psi (1.24bar, 124.11kPa) / 18psi (1.24bar, 124.11kPa) |
| Rear Wheel | 120/90-18 120/90-18M/C 65P BRIDGESTONE TRAIL WING-42 |
| Rear Wheel Pressure (solo/dual riding) | 22psi (1.52bar, 151.68kPa) / 25psi (1.72bar, 172.37kPa) |
| Headlight | 12V 60/55W (H4) Halogen 60W /55W |
| Taillight | Halogen 21W 5W |
| Throttle Grip Free Play | 2 (0.08) – 4mm (0.16″) |
| Clutch Lever Free Play | 10 (0.39) – 15mm (0.59″) |
| Drive Chain Slack | 40 (1.57) – 50mm (1.97″) |
| Engine Oil Frame Drain Bolt Torque | 18N·m (13.28ft·lbf) |
| Front Axle Bolt Torque | 39N·m (28.76ft·lbf) |
| Rear Axle Bolt Torque | 110N·m (81.13ft·lbf) |