Suzuki DR-Z400S 2004 Maintenance Schedule
The 2004 Suzuki DR-Z400S maintenance schedule below covers the manufacturer's recommended service intervals for brake fluid, oil, spark plugs, drive chain maintenance, air filter, general maintenance, valve clearance, coolant and tires. Intervals are shown in kilometres by default and can be switched to miles.
Sourced from ManualsLib (this document covers model years 2000–2007): manualslib.com
Full schedule
| Task | Interval | Difficulty | Notes |
|---|---|---|---|
| Brake fluid replacement | Every 12,000 km (first at 6,000 km) · Every 24 months · Replace every 24 months | Moderate | Inspect brake fluid; replace every 2 years. |
| Engine oil & filter change | Every 6,000 km (first at 1,000 km) · Every 12 months | Easy | Replace engine oil every 6000 km. |
| Spark plug inspection & replacement | Every 6,000 km (first at 6,000 km) · Replace every 12,000 km | Easy | Inspect spark plug; replace at specified interval. |
| Drive chain inspection & lubrication | Every 6,000 km (first at 1,000 km) | Easy | Inspect drive chain; lubricate more frequently per separate note. |
| Air cleaner cleaning/replacement | Replace every 18,000 km | Easy | Inspect/clean air cleaner; replace at specified interval. |
| Exhaust pipe nut/bolt and muffler nut/bolt tightening | See notes | Easy | Tighten exhaust pipe and muffler fasteners. |
| Valve (tappet) clearance inspection | See notes | Advanced | Inspect and adjust valve (tappet) clearance. |
| Spark arrester cleaning (For E-03, 28, 33) | See notes | Easy | Clean spark arrester. |
| Fuel line replacement | Every 48 months · Replace every 48 months | Easy | Replace fuel line/hose. |
| Engine oil filter replacement | See notes | Easy | Replace engine oil filter. |
| Engine oil hoses inspection | Every 6,000 km (first at 1,000 km) | Easy | Inspect engine oil hoses for leaks/damage. |
| Carburetor inspection | Every 6,000 km (first at 1,000 km) | Moderate | Inspect carburetor operation. |
| Engine coolant replacement | Every 24 months · Replace every 24 months | Moderate | Replace engine coolant every 2 years. |
| Radiator hose inspection | See notes | Easy | Inspect radiator hose for damage/leaks. |
| Clutch inspection | See notes | Easy | Inspect clutch play and operation. |
| Brake system inspection | Every 6,000 km (first at 1,000 km) | Moderate | Inspect brakes (pads, discs, lever/pedal operation). |
| Brake hose replacement | Every 48 months · Replace every 48 months | Moderate | Replace brake hoses every 4 years. |
| Tire inspection | See notes | Moderate | Inspect tire tread depth, pressure and condition. |
| Spoke nipple inspection | Every 6,000 km (first at 1,000 km) | Easy | Inspect spoke nipple tightness. |
| Steering inspection | See notes | Easy | Inspect steering for smoothness and play. |
| Front fork inspection | See notes | Easy | Inspect front fork for smooth operation and leaks. |
| Rear suspension inspection | See notes | Easy | Inspect rear suspension for smooth operation and leaks. |
| Evaporative emission control system service (For E-33) | Every 12,000 km · Every 48 months · Replace every 48 months | Moderate | Inspect EVAP system; replace vapor hoses every 4 years. |
| PAIR (air supply) system inspection (For E-02, 19, 54) | See notes | Moderate | Inspect PAIR air supply system. |
| Chassis nuts and bolts tightening | Every 6,000 km (first at 1,000 km) | Easy | Tighten chassis nuts and bolts. |
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Easy: basic tools, straightforward Easy–Moderate: varies by task — somewhere between the two Moderate: some mechanical know-how helps Advanced: specialized tools/skill, still DIY-doable Expert: significant experience required Professional: dealer or shop recommended
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