YZ250 2026 · Fig. 04 — Cylinder Head

Ref	OEM number	Name
	5MW-11111-02	Head, Cylinder 1
	90109-05001	Bolt
	5CU-1132A-00	Valve 2
	5CU-1132A-00	Valve 2
	5UP-11351-00	Gasket, Cylinder
	90116-10034	Bolt, Stud
	95612-10660	Bolt, Stud
	90116-10034	Bolt, Stud
	95612-10660	Bolt, Stud
	99590-14016	PIN, Dowel
	99590-14016	PIN, Dowel
	90179-10M35	NUT
	93210-74316	O-リング
	94702-00326	Plug, Spark (NGK BR8EG)
	93211-02703	O-Ring
	5CU-1131E-01	Holder 1
	5CU-1131P-00	Holder 4
	93210-15639	O-Ring
	93210-15639	O-Ring
	98502-05012	Screw, PAN Head
	98502-05012	Screw, PAN Head
	90201-05021	Washer, Plate
	5CU-11830-00	Link Assy
	98902-05012	Screw, Bind
	93104-08040	OIL Seal
	5NX-11395-00	Holder
	90116-08027	Bolt, Stud
	4SS-11832-00	Lever, Link
	90508-155B8	Spring, Torsion
	90508-155B8	Spring, Torsion
	5MW-1132E-00	Pulley 1
	5MW-1132F-00	Pulley 2
	90201-081G0	Washer, Plate
	90201-081G0	Washer, Plate
	90501-046L6	Spring, Compression
	90501-046L6	Spring, Compression
	5CU-1131V-00	Shaft 1
	91312-04008	Bolt, Hexagon Socket Head
	91312-04008	Bolt, Hexagon Socket Head
	91312-04008	Bolt, Hexagon Socket Head
	5CU-11991-01	Housing 1
	5CU-11993-00	Gasket
	93604-08071	PIN, Dowel
	97002-05020	Bolt
	92902-05600	Washer, Plate
	5CU-11995-00	Seal, Housing
	5CU-1131M-11	Cover
	353-13115-01	Connector, Suction Pipe
	5CU-11354-00	Gasket
	98902-05016	Screw, Bind
	90445-09777	303 Hose (34K)
	90176-08005	NUT, Crown
	90201-080L8	Washer, Plate
	5UP-11311-21	Cylinder 1
	5XF-1131D-00	Valve Assy
	5CU-1131U-10	Holder 3