Yamaha & Polaris Parts Questions:
800-832-4490

2018 Yamaha YZ450F (YZ450FJW) Cylinder

Change Assembly
Reset Zoom In Zoom Out
Diagrams Shown are for U.S. Models

Cylinder

Prices shown are USD

Ref#
 Part
Price
Qty
 
1
Cylinder Head Assy
$692.84
$617.95
2
. .Guide, Valve 1
$33.99
$24.35
3
. .Guide, Valve 2
$41.99
$30.44
4
. .Bolt, Flange
$2.40
$1.54
5
. .Plug, Straight Screw
$4.30
$3.09
6
. .Pin, Dowel
$2.40
$1.49
7
. .Pin, Dowel
$2.40
$1.49
8
.Bolt, Flange
$2.90
$1.77
9
Gasket INCL. IN TOP END GASKET KIT
$2.65
$1.74
10
Bolt, Flange
$1.49
11
Gasket INCL. IN TOP END GASKET KIT
$2.90
$2.07
12
Bolt, Stud
$1.49
13
Plug, Spark (Ngk Cpr8ea-9) STD
$6.99
$5.39
13
Plug, Spark (Ngk R Cpr9ea-9) AP
$7.99
$6.01
14
Gasket, Cylinder Head 1 INCL. IN TOP END GASKET KIT
$19.49
$13.90
15
Pin, Dowel
$2.90
$2.08
16
Bolt, Flange
$5.99
$3.60
17
Bolt, Flange
$5.99
$4.06
18
Washer, Plate
$3.20
$2.32
19
Bolt, Flange
$1.49
20
$3.96
$2.78
21
Cover, Cylinder Head 1
$164.82
$127.28
22
$2.55
$1.82
23
. .Pipe, Breather 2
$3.00
$2.13
24
Guide, Stopper 2
$19.49
$13.77
25
Gasket, Head Cover 1 INCL. IN TOP END GASKET KIT
$23.99
$17.00
26
Bolt, Cover Head INCL. IN TOP END GASKET KIT
$6.99
$4.48
27
Bolt, Cover Head INCL. IN TOP END GASKET KIT
$7.49
$6.43
28
Cylinder 1
$509.03
$454.00
29
Gasket, Cylinder INCL. IN TOP END GASKET KIT
$9.99
$7.13
30
Pin, Dowel
$1.60
$1.49
31
Bolt, Flange
$1.49
32
$2.80
$2.01
33
Nut, Flange
$1.49