KTM RC 390 (2014-2016)
Fluid capacities, consumables, drivetrain, tire pressure & wear limits
The KTM RC 390 (2014-2016) takes 1.7 L of oil with a filter change (1.7 L without).
Fluid Capacities
Oil capacity (with filter)1.7 LOnly refill figure the manual states, for the combined oil + filter change + oil screen cleaning procedure
Oil capacity (without filter)1.7 LManual does not distinguish — it publishes one refill figure covering the combined oil + filter change procedure, which is the only one in the service schedule
Coolant (radiator)1.2 L
Consumables
Engine oil gradeSAE 15W/50 (Motorex Formula 4T, JASO T903 MA, partially synthetic)
Coolant typeHigh-grade silicate-free coolant with corrosion inhibitor for aluminum engines, antifreeze protection -25...-45°C (Motorex Coolant M3.0 or equivalent)
Oil filter (OEM)90138015000Web-confirmed KTM OEM oil filter for RC390 2015-2018.
Air filter (OEM)90106015000Web-confirmed KTM OEM air filter for RC/Duke 390 2014-2019.
Spark plug (OEM)BOSCH VR5 NE (gap 0.8 mm) — later production BOSCH VR5 NEU (gap 1 mm)
Front brake pads (OEM)Minimum thickness ≥ 1 mm
Rear brake pads (OEM)Minimum thickness ≥ 1 mmInferred identical to the confirmed front value — not independently located in the extracted page range
Drive chain5/8 x 1/4" (520) O-ring
Clutch free play1–3 mmClutch lever play (cable-actuated wet clutch)
Drivetrain
Chain size520
Chain slack5–7 mm
Front sprocket (OEM)15T
Rear sprocket (OEM)45T
Brakes & Tires
Front tire size110/70 R17 M/C 54S TLMRF revz FC
Rear tire size150/60 R17 M/C 66S TLMRF revz C
Front tire pressure200 kPaSolo riding. With passenger/fully loaded: same front, rear rises to 220 kPa
Rear tire pressure200 kPaSolo riding. With passenger/fully loaded: 220 kPa
Brake fluid typeDOT 4 / DOT 5.1
Wear Limits
Front brake disc (min)4.5 mm
Rear brake disc (min)3.6 mm
Brake pad — front (min)1 mm
Brake pad — rear (min)1 mmInferred identical to the confirmed front value — not independently located in the extracted page range
Clutch friction plate (min)21.3 mmTotal package thickness of all clutch facing discs combined (manual gives a stack minimum, not a per-plate figure)