Yamaha YZ450F (2022)
Fluid capacities, consumables, drivetrain, tire pressure & wear limits
The Yamaha YZ450F (2022) takes 0.65 L of oil with a filter change (0.63 L without).
Fluid Capacities
Oil capacity (with filter)0.65 LAfter oil filter removal
Oil capacity (without filter)0.63 LRoutine oil change, filter not removed
Oil capacity (dry fill)0.9 LFull disassembly refill
Coolant (radiator)1.03 LRadiator, including all routes — no separate reserve tank on this bike
Consumables
Engine oil gradeYamalube 10W-40, 10W-50, 15W-40, 20W-40 or 20W-50, API service SG type or higher, JASO standard MA
Coolant typeHigh-quality ethylene glycol antifreeze containing anti-corrosion additives for aluminum engines, mixed 50/50 with soft waterWeb-confirmed against the YZ450F owner's service manual's own coolant wording.
Oil filter (OEM)5D3-13440-09Web-confirmed, covers YZ250F/450F/450FX 2003-2024.
Air filter (OEM)B2W-14451-01-00Web-confirmed for YZ450F 2020-2022.
Spark plug (OEM)NGK LMAR8G
Drive chain520, non-sealed type, 114 links
Front brake pads (OEM)Yamaha B2W-25805-00From current Yamaha parts catalog (thinner confirmation than the rear pad). Lining thickness limit — no wear-groove indicator specified.
Rear brake pads (OEM)Yamaha 1C3-W0046-50Web-confirmed for YZ125/250F/450F 2006-2023. Lining thickness limit — no wear-groove indicator specified.
Clutch free play7–12 mmAt clutch lever end, cable-actuated
Drivetrain
Chain size520
Chain links114
Chain slack50–60 mmMeasured with the machine on a maintenance stand
Chain 15-link limit242.9 mmThis manual specifies chain wear via 15-link length rather than a slack limit
Front sprocket (OEM)13TDerived from secondary (final) reduction ratio 3.769 (49/13)
Rear sprocket (OEM)49TDerived from secondary (final) reduction ratio 3.769 (49/13)
Brakes & Tires
Front tire size80/100-21 51M, Dunlop MX33, with tube
Rear tire size120/80-19 63M, Dunlop MX33, with tube
Front tire pressure100 kPaCold, off-road — adjust to conditions
Rear tire pressure100 kPaCold, off-road — adjust to conditions
Brake fluid typeDOT 4
Wear Limits
Front brake disc (min)2.5 mm
Rear brake disc (min)3.5 mm
Clutch friction plate (min)2.82 mmBoth friction plate types (5 pcs. Plate 1 and 3 pcs. Plate 2) share the same 2.82 mm limit