Suzuki DR-Z400S (2000-2009)
Fluid capacities, consumables, drivetrain, tire pressure & wear limits
The Suzuki DR-Z400S (2000-2009) takes 1.8 L of oil with a filter change (1.7 L without).
Fluid Capacities
Oil capacity (with filter)1.8 LWith oil filter change
Oil capacity (without filter)1.7 LOil change only, no filter
Oil capacity (dry fill)1.9 LEngine overhaul refill
Coolant (radiator)1.25 L
Consumables
Engine oil gradeSAE 10W-40, API SF/SG or SH/SJ with JASO MABase K0-K6 manual specified SAE 10W-40 (or SAE #30), API SF or SG only — later K7-K9 supplements broadened this to include SH/SJ w/ JASO MA, used here as the more current guidance
Coolant typeAntifreeze/coolant compatible with aluminum radiators, mixed 50:50 with distilled water
Oil filter (OEM)Not listed by part number in this service manual
Air filter (OEM)Polyurethane foam element (oiled, reusable/washable — not a replaceable paper cartridge; no OEM part number given in this manual)
Spark plug (OEM)NGK CR8E or DENSO U24ESR-N
Drive chainRK520KZO, 112 links
Front brake pads (OEM)Wear indicator groove — no numeric minimum thickness specified
Rear brake pads (OEM)Wear indicator groove — no numeric minimum thickness specified
Clutch free play10–15 mmClutch lever play
Drivetrain
Chain size520
Chain links112
Chain slack40–50 mm
Chain 20-link limit319.4 mm20-pitch (21-pin) length service limit — replace chain if exceeded
Front sprocket (OEM)15TDerived from final reduction ratio 2.933 (44/15)
Rear sprocket (OEM)44TDerived from final reduction ratio 2.933 (44/15)
Brakes & Tires
Front tire size80/100-21 51P
Rear tire size120/90-18 65P
Front tire pressure125 kPaSolo riding. Dual (with passenger): same front, rear rises to 175 kPa
Rear tire pressure150 kPaSolo riding. Dual (with passenger): 175 kPa
Brake fluid typeDOT 4
Wear Limits
Front brake disc (min)2.5 mm
Rear brake disc (min)4 mm
Brake pad — front (min)Wear indicator groove
Brake pad — rear (min)Wear indicator groove
Clutch friction plate (min)2.62 mm
Drive chain slack (limit)50 mmUpper end of the standard adjustment range — beyond this, adjust or replace