Kawasaki Vulcan S (2015–2020)
Fluid capacities, consumables, drivetrain, tire pressure & wear limits
The Kawasaki Vulcan S (2015–2020) takes 1.8 L of oil with a filter change (1.6 L without).
Fluid Capacities
Oil capacity (with filter)1.8 LWhen filter is removed
Oil capacity (without filter)1.6 LWhen filter is not removed
Oil capacity (dry fill)2.3 L
Coolant (radiator)1.4 L
Consumables
Engine oil gradeAPI SG, SH, SJ, SL or SM with JASO MA, MA1 or MA2, SAE 10W-40
Coolant typePermanent antifreeze (ethylene glycol, Green), 50/50 mixture with soft water
Oil filter (OEM)16097-0008From a Kawasaki oil filter fitment list — "Vulcan S VN650 2015-2026" covers this bike's full range.
Air filter (OEM)Not listed by part number in the manual (viscous paper element)
Spark plug (OEM)NGK CR9EIA-9
Front brake pads (OEM)Not listed by part number in the manual (service part)
Rear brake pads (OEM)Not listed by part number in the manual (service part)
Drive chainENUMA EK520MVXL2, 120 links
Clutch free play2–3 mm
Drivetrain
Chain size520
Chain links120
Chain slack10–20 mm
Chain 20-link limit319 mmNew chain 20-link length standard: 317.5–318.2 mm
Front sprocket (OEM)15TDerived from the final drive reduction ratio 3.067 (46/15) — tooth counts aren't printed as a standalone spec
Rear sprocket (OEM)46TDerived from the final drive reduction ratio 3.067 (46/15) — tooth counts aren't printed as a standalone spec
Brakes & Tires
Front tire size120/70R18 M/C 59H
Rear tire size160/60R17 M/C 69H
Front tire pressure225 kPa
Rear tire pressure250 kPaUp to 200 kg load (EN650E: 198 kg)
Brake fluid typeDOT 4
Wear Limits
Front brake disc (min)4.5 mmSingle front disc
Rear brake disc (min)4.5 mmSingle rear disc; manual gives one shared thickness spec for front and rear
Brake pad — front (min)1 mm
Brake pad — rear (min)1 mm
Clutch friction plate (min)2.8 mmStandard thickness: 2.92–3.08 mm
Drive chain slack (limit)20 mmThis matches the top of the standard adjustment range; the manual gives no separate wear-limit figure beyond it