Skip to Main Content
Menu

1999 Yamaha YZ250 CYLINDER HEAD OEM Parts Diagram

Diagram: F284841
The products below will fit your 1999 Yamaha COMPETITION - YZ250L1 Select a Different Bike
# Item Price Suggested
Qty The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Quantity
1 HEAD, CYLINDER 1
5CU-11111-00-00
$301.99 Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Unavailable
2 BR8EG NGK SPLUG 4P
BR8-EG000-00-00
Occasionally manufacturers will replace a part with an updated version. The new part has the same fitment and usage specs and will properly fit this assembly. Supersedes 94702-00326-00
$6.29
$6.49
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Available: Ships in 5-7 business days
2 BR8EG NGK SPLUG 4P
BR8-EG000-00-00
Occasionally manufacturers will replace a part with an updated version. The new part has the same fitment and usage specs and will properly fit this assembly. Supersedes NGK-BR8EG-00-00
$6.29
$6.49
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Available: Ships in 5-7 business days
3 BOLT, STUD
90116-08394-00
$10.79
Suggested Quantity 6 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
In Stock: Ships next business day
4 PIN, DOWEL
93604-08071-00
$6.30
$6.99
Suggested Quantity 2 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Available: Ships in 5-7 business days
5 NUT, CROWN
90176-08026-00
$10.79
Suggested Quantity 6 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
In Stock: Ships next business day
6 WASHER, PLATE
90201-08087-00
$6.30
$6.99
Suggested Quantity 6 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Only 2 Left: Ships next business day
7 CYLINDER 1
5CU-11311-02-00
Occasionally manufacturers will replace a part with an updated version. The new part has the same fitment and usage specs and will properly fit this assembly. Supersedes 5CU-11311-00-00
$533.69
$574.99
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
8 VALVE ASSY
5CU-1131D-00-00
$209.69
$239.79
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
9 HOLDER 3
5CU-1131U-10-00
Occasionally manufacturers will replace a part with an updated version. The new part has the same fitment and usage specs and will properly fit this assembly. Supersedes 5CU-1131U-00-00
$15.74
$17.49
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
10 SCREW, BIND
98907-05012-00
$6.99
Suggested Quantity 2 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
11 WASHER, PLATE
90201-057H5-00
$3.15
Suggested Quantity 2 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
12 VALVE 2
5CU-1132A-00-00
$45.89
Suggested Quantity 2 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
13 GASKET, CYLINDER
5CU-11351-10-00
Occasionally manufacturers will replace a part with an updated version. The new part has the same fitment and usage specs and will properly fit this assembly. Supersedes 5CU-11351-00-00
$13.49
$14.49
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
14 BOLT, STUD
95617-10640-00
$2.65 Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Unavailable
15 BOLT, STUD
95617-10660-00
$9.90
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
16 BOLT, STUD
95617-10640-00
$2.65 Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Unavailable
17 BOLT, STUD
95617-10660-00
$9.90
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
18 PIN, DOWEL A
99530-14016-00
$2.30
$4.40
Suggested Quantity 2 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
In Stock: Ships next business day
19 NUT, FLANGE
95707-10500-00
$2.35
Suggested Quantity 4 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
In Stock: Ships next business day
20 O-RING
93211-02703-00
$9.44
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Available: Ships in 5-7 business days
21 O-RING
93210-74316-00
$8.09
$8.99
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Only 1 Left: Ships next business day
22 HOLDER 1
5CU-1131E-01-00
Occasionally manufacturers will replace a part with an updated version. The new part has the same fitment and usage specs and will properly fit this assembly. Supersedes 5CU-1131E-00-00
$31.49
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
23 HOLDER 4
5CU-1131P-00-00
$29.69
$32.99
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
24 O-RING
93210-15639-00
$6.30
$6.99
Suggested Quantity 2 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
25 SCREW, PAN HEAD
98517-05012-00
Occasionally manufacturers will replace a part with an updated version. The new part has the same fitment and usage specs and will properly fit this assembly. Supersedes 98507-05012-00
$6.30
$6.99
Suggested Quantity 4 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
26 WASHER, PLATE
90201-057H5-00
$3.15
Suggested Quantity 2 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
27 LINK ASSY
5CU-11830-00-00
$92.69
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
28 SCREW, BIND
98907-05012-00
$6.99
Suggested Quantity 2 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
29 OIL SEAL
93104-08040-00
$10.79
$11.99
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
30 LEVER, LINK
4SS-11832-00-00
$54.89
$60.99
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
31 SPRING, TORSION
90508-155B8-00
$5.40
$5.99
Suggested Quantity 2 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
32 PULLEY 1
5MW-1132E-00-00
Occasionally manufacturers will replace a part with an updated version. The new part has the same fitment and usage specs and will properly fit this assembly. Supersedes 5CU-1132E-00-00
$79.19
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
33 PULLEY 2
5MW-1132F-00-00
Occasionally manufacturers will replace a part with an updated version. The new part has the same fitment and usage specs and will properly fit this assembly. Supersedes 5CU-1132F-00-00
$81.89
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
34 SHAFT 1
5CU-1131V-00-00
$89.99
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
35 WASHER, PLATE
90201-081G0-00
$6.30
Suggested Quantity 2 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
36 SPRING, COMPRESSION
90501-046L6-00
$3.05
Suggested Quantity 2 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Only 1 Left: Ships next business day
37 BOLT
91317-04008-00
$6.30
Suggested Quantity 3 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Only 1 Left: Ships next business day
38 HOUSING 1
5CU-11991-01-00
Occasionally manufacturers will replace a part with an updated version. The new part has the same fitment and usage specs and will properly fit this assembly. Supersedes 5CU-11991-00-00
$105.29
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
39 GASKET
5CU-11993-00-00
$5.39
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
40 BOLT
97027-05020-00
Occasionally manufacturers will replace a part with an updated version. The new part has the same fitment and usage specs and will properly fit this assembly. Supersedes 97007-05020-00
$3.05
Suggested Quantity 4 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
In Stock: Ships next business day
41 WASHER, PLATE
92907-05600-00
$3.50
Suggested Quantity 4 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
In Stock: Ships next business day
42 SEAL, HOUSING
5CU-11995-00-00
$21.59
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
43 COVER
5CU-1131M-11-00
Occasionally manufacturers will replace a part with an updated version. The new part has the same fitment and usage specs and will properly fit this assembly. Supersedes 5CU-1131M-00-00
$81.89
$90.99
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
44 CONNECTOR, SUCTION PIPE
353-13115-01-00
$5.84
$6.49
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
45 GASKET
5CU-11354-00-00
$9.89
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
46 SCREW, BIND
98907-05016-00
$6.99
Suggested Quantity 4 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
Only 1 Left: Ships next business day
47 HOSE (L420)
90445-092K1-00
Occasionally manufacturers will replace a part with an updated version. The new part has the same fitment and usage specs and will properly fit this assembly. Supersedes 90445-09226-00
$9.44
$10.49
Suggested Quantity 1 The number of times each part appears in the diagram. Not replacing everything? You may need fewer than suggested.
View Availability
Montgomeryville Cycle Center www.montgomeryvillecc.com Yamaha OEM Parts On RevZilla - Powered and Sold by Montgomeryville Cycle Center. RevZilla has partnered with Montgomeryville Cycle Center to offer you a next generation shopping experience for OEM parts.

The same great policies and service you have come to expect when shopping on RevZilla.com will apply to any OEM purchases made online.

RevZilla is proud to carry every original part available for your 1999 Yamaha YZ250 CYLINDER HEAD assembly. Simply reference the OEM parts diagram to confirm the exact part numbers you need. If the assembly calls for more than one of any given part number, it will be noted for you in the suggested order quantity so you can get exactly what you need to get the job done right, the first time. Not quite sure? Feel free to shoot us an email or give us a call to get hands-on help from an OEM parts expert.