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Yamaha YZ450FX

Maintenance specs for 1 variant of the Yamaha YZ450FX — from 2016 to 2026.

20162026 Yamaha YZ450FX

449cc Liquid-Cooled DOHC 4-Stroke Single · Chain

57 hp / 35 lb-ft

Engine Oil

Weight10W-40
Capacity1.06 qt

Transmission

Type6-Speed (shared with engine oil)
FluidShared with engine oil

Coolant

TypeYamalube 50/50 Premixed Coolant or ethylene glycol
Shop coolant

Brake Fluid

TypeDOT 4
Shop DOT 4

Fuel

Tank2.1 gal
TypePremium 91

Tires

Front90/90-21
Rear120/90-18
Pressure (front)14 PSI
Pressure (rear)14 PSI

Spark Plugs

Gap0.028 in
Shop spark plugs

Service Intervals

Oil change1,800 mi
Coolant flush6,000 mi
Brake fluid6,000 mi
Spark plugs3,000 mi
Timingchain (no scheduled replacement)
Air filter600 mi