YAMAHA WR250Z’98, WR250ZK PARTS CATALOGUE 98
WR250Z’98
(5EN1)
EUROPE
WR250Z’98
WR250ZK
(5EN2)
(5EN3)
JAPAN
CANADA,OCEANIA
185EN−100E2
WR250Z/WR250ZK
PARTS CATALOGUE
E2002 by Yamaha Motor Co., Ltd.
1st Edition, Apr. 2002
All rights reserved.
Any reprinting or unauthorized use
without the written permission of
Yamaha Motor Co., Ltd.
is expressly prohibited.
Printed in Japan
3
A
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4
FOREWORD
This Parts Catalogue is related to the parts for the model(s) in the below frame. When you are
ordering replacement parts, please refer to this Parts Catalogue and quote both part numbers and
part names correctly.
WR250Z’98(5EN1/5EN2),WR250ZK(5EN3)
1. Modifications or additions which have been made after issue of the Parts
Catalogue will be announced in the Yamaha Parts News.
It is advisable that you make necessary corrections to the Parts Catalogue
according to the Yamaha Parts News.
2. Abbreviations
The Following abbreviations are used in this Parts Catalogue.
“UR” Use specified parts number.
“UN” Use as many as needed.
“AP” Alternate Parts
“LM” Local Made (Parts need to be ordered locally)
“F#” Frame No. (Applicable machine No.)
3. Parts, which are to be supplied in an assembly, are listed with a dot(.) in
front of the part name as shown below.
EXAMPLE
CARBURETOR ASSY
.JET, PILOT
.NOZZLE, MAIN
4. Number of component for assembly
The numeral appearing to the right of each component part indicates the
quantity of parts for each assembly unit.
EXAMPLE
PART NO. DESCRIPTION Q’TY REMARKS
2F5−83310−60 FRONT FLASHER LIGHT ASSY 2
115−83311−60 .BULB (6V−18W) 1
1M1−83309−60 .REFLECTOR 1
5. Applicable colors of graphics are represented in the “REMARKS” as shown
below.
PART NO. DESCRIPTION Q’TY REMARKS
2N4−24110−00−X5 FUEL TANK COMP. 1 MXR
3J1−24240−10 .GRAPHIC, FUEL TANK 1 FOR MXR
6. Applicable Serial No.
Engine Serial No. Frame Serial No.
7. Note that the illustrations for reference in finding parts numbers, not to be
used for assembling. When assembling, please use the applicable service
manual.
8. The asterisk (*) before a reference number indicates modification items
after the first edition.
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MODEL LABEL
(1) A label called “Model Label” is affixed in the location as indicated in (3) below.
When using this parts catalogue, please be sure to cross−refer the “model code −
production code No.” in the catalogue to the “model code − production code No.
“indicated on the Model Label affixed onto the product concemed.
(2) “Model Label”Indication
ab
xxxx – xxx
c
x
(3) Model Label Affixing Location
a: Model Type Code
b: Production Code No.
c: Colouring Type
4TW1–010
A
(4) Model Code − Production Code Number of Model Listed in This Parts Catalog
Model
Code
5EN1
5EN2 010 JAPAN
5EN3
Production
Code No.
030 BELGIUM
050 GERMANY
060 SPAIN
070
080 FRANCE
090 ENGLAND
100 GREECE
110 ITALY
120 PORTUGAL
130 SWEDEN
020 OCEANIA
030 CANADA
Country
(destination)
FINLAND
IRELAND
Model
Code
Production
Code No.
(destination)
Country
(5) Colouring Information
Model
Code
5EN1
5EN2
5EN3
6
A
Colouring type
code
A 0583
Colour
code
Colour Name
DEEP PURPLISH BLUE
SOLID E
Abbrevi-
ation
DPBSE
ENGINE
CYLINDER HEAD B2...................................
GOVERNOR B4........................................
CRANKSHAFT. PISTON B5..............................
WATER PUMP B6......................................
RADIATOR. HOSE B7...................................
INTAKE B8............................................
CARBURETOR B9.....................................
EXHAUST B12..........................................
CRANKCASE B13.......................................
CRANKCASE COVER 1 B14..............................
STARTER B15..........................................
CLUTCH C2...........................................
TRANSMISSION C3....................................
SHIFT CAM. FORK C5..................................
SHIFT SHAFT C6......................................
CHASSIS
FRAME C7............................................
FENDER C8...........................................
SIDE COVER C9.......................................
REAR ARM C10.........................................
REAR SUSPENSION C12................................
STEERING C13.........................................
FRONT FORK C14......................................
FUEL TANK D2........................................
SEAT D4..............................................
FRONT WHEEL D5.....................................
FRONT BRAKE CALIPER D6............................
REAR WHEEL D7......................................
CONTENTS
REAR BRAKE CALIPER D9.............................
STEERING HANDLE. CABLE D10.........................
FRONT MASTER CYLINDER D11.........................
STAND. FOOTREST D12.................................
REAR MASTER CYLINDER D13..........................
GENERATOR D14.......................................
HANDLE SWITCH. LEVER D15...........................
ELECTRICAL 1 E2.....................................
ALTERNATE (CHASSIS) E3.............................
OPTIONAL PARTS 1 E4.................................
INDEX
NUMERICAL INDEX M1.................................
FIG. 1 CYLINDER HEAD
REF.
NO.
15DJ−11111−00 HEAD, CYLINDER 1 1 1 1 1
2 94702−00326 PLUG, SPARK (NGK BR8EG) 1 1 1
3 90116−08394 BOLT, STUD 4 4 4 4
4 90116−08392 BOLT, STUD 2 2 2 2
5 99530−10114 PIN, DOWEL 2 2 2 2
6 90176−08026 NUT , CROWN 6 6 6 6
7 90201−08087 WASHER, PLATE 6 6 6 6
8 4XL−11311−10 CYLINDER 1 1 1 1 1
9 4XL−1131A−10 VALVE1 1111
10 4XL−11351−01 GASKET, CYLINDER 1 1 1 1
11 90116−10314 BOLT, STUD 1 1 1 1
12 90116−10547 BOLT, STUD 1 1 1 1
13 90116−10314 BOLT, STUD 1 1 1 1
14 90116−10547 BOLT, STUD 1 1 1 1
PART NO. DESCRIPTION REMARKS
94709−00326 PLUG, SPARK (NGK BR8EG) 1
CAN
OCE
EUR
JPN
B
15 99530−14016 PIN, DOWEL 2 2 2 2
16 95707−10500 NUT, FLANGE 4 4 4 4
17 93210−77363 O−RING 1 1 1 1
18 93211−11770 O−RING 1 1 1 1
19 3JE−Y113E−00 HOLDER 1 1 1 1 1
20 93604−08071 PIN, DOWEL 1 1 1 1
21 3JE−1131N−10 GASKET, HOLDER 1 1 1 1
22 98507−05012 SCREW, PAN HEAD 2 2 2 2
23 5X4−Y113F−10 HOLDER 2 ASSY 1 1 1 1
24 93210−270A8 .O−RING 1 1 1 1
25 93104−16074 OIL SEAL 1 1 1 1
26 90387−102W0 COLLAR 1 1 1 1
2
FIG. 1 CYLINDER HEAD
REF.
NO.
27 3JE−11937−01 BOSS, LEVER 1 1 1 1
28 93210−09192 O−RING 1 1 1 1
29 1LX−11915−00 PLATE, THRUST 1 1 1 1 1
30 98507−05008 SCREW, PAN HEAD 1 1 1 1
31 3SP−11992−11 HOUSING 2 1 1 1 1
32 3SP−11993−10 .GASKET 1 1 1 1
33 97007−05020 BOLT 2 2 2 2
34 92907−05600 WASHER, PLATE 2 2 2 2
35 97007−05016 BOLT 2 2 2 2
36 92907−05600 WASHER, PLATE 2 2 2 2
37 2VM−11995−01 SEAL, HOUSING 1 1 1 1
38 4MX−1131M−00 COVER 1 1 1 1
39 4MX−11354−00 GASKET 1 1 1 1
40 97017−05030 BOLT 5 5 5 5
41 92907−05600 WASHER, PLATE 5 5 5 5
PART NO. DESCRIPTION REMARKS
CAN
OCE
EUR
JPN
B
42 95027−06008 BOLT, FLANGE 1 1 1 1
43 90430−06014 GASKET 1 1 1 1
3
FIG. 2 GOVERNOR
REF.
NO.
1 3JE−11931−01 LEVER 1 1 1 1
2 90508−14783 SPRING, TORSION 1 1 1 1
3 3SP−11990−00 PUSH ROD ASSY 1 1 1 1
4 90201−057H5 WASHER, PLATE 1 1 1 1
5 97007−05030 BOLT 1 1 1 1
6 93104−08040 OIL SEAL 1 1 1 1
7 3JE−11922−01 FORK, GOVERNOR 1 1 1 1
8 91317−04006 BOLT 2 2 2 2
9 93300−60801 BEARING (B0060) 1 1 1 1 KOYO
10 93300−60801 BEARING (B0060) 1 1 1 1 KOYO
11 5X4−11921−02 SHAFT, GOVERNOR 1 1 1 1
12 24X−11953−01 GEAR, GOVERNOR 1 1 1 1
13 90560−08213 SPACER 1 1 1 1
14 90501−213L7 SPRING, COMPRESSION 1 1 1 1
15 5X4−11952−00 PLATE 1 1 1 1
PART NO. DESCRIPTION REMARKS
CAN
OCE
EUR
JPN
B
16 90201−154F5 WASHER, PLATE (T=0.8) 3 3 3 3
17 90387−152F2 COLLAR 1 1 1 1
18 93340−21505 BEARING 2 2 2 2
19 5X5−11912−01 RETAINER, WEIGHT 1 1 1 1
20 5X5−11911−01 RETAINER 1 1 1 1
21 93521−64032 BALL 4 4 4 4
22 93603−14240 PIN, DOWEL 1 1 1 1
23 93604−29184 PIN, DOWEL 1 1 1 1 AP FOR PUSH ROD
4
FIG. 3 CRANKSHAFT. PISTON
REF.
NO.
1 4SR−11631−00−A0 PISTON (STD) 1 1 1 1
2 4JX−11603−00 PISTON RING SET (STD) 1 1 1 1
3 2VM−11633−01 PIN, PISTON 1 1 1 1
4 93450−19052 CIRCLIP 2 2 2 2
5 93310−418E9 BEARING 1 1 1 1
65DJ−11400−00 CRANKSHAFT ASSY 1 1 1 1
7 4SR−11410−10 .CRANKSHAFT 1 1 1 1
8 4SR−11420−00 .CRANKSHAFT 1 1 1 1
9 4SR−11681−00 .PIN, CRANK 1 1 1 1 1
10 5X5−11651−03 .ROD, CONNECTING 1 1 1 1
11 93310−425P2 .BEARING 1 1 1 1
12 90209−25085 .WASHER 2 2 2 2
PART NO. DESCRIPTION REMARKS
4SR−11631−00−B0 PISTON (STD) 1 1 1 1
4SR−11631−00−C0 PISTON (STD) 1 1 1 1
4SR−11631−00−D0 PISTON (STD) 1 1 1 1
CAN
OCE
EUR
JPN
B
13 93306−37807 BEARING 1 1 1 1
14 93102−22363 OIL SEAL 1 1 1 1
15 90280−03045 KEY, WOODRUFF 1 1 1 1
16 93306−37807 BEARING 1 1 1 1
17 93103−36182 OIL SEAL 1 1 1 1
5
FIG. 4 WATER PUMP
REF.
NO.
15DJ−12459−00 GEAR, IMPELLER SHAFT 1 1 1 1
25DJ−12451−00 IMPELLER, WATER PUMP 1 1 1 1
3 90201−08512 WASHER, PLATE 1 1 1 1
4 93109−11073 OIL SEAL 1 1 1 1
5 93102−12106 OIL SEAL (SD 12−22−5HS) 1111
6 93306−00105 BEARING (B6001) 1 1 1 1
7 90201−08784 WASHER, PLATE 1 1 1 1
8 99001−06600 CIRCLIP 1 1 1 1
9 4SR−12422−00 COVER, HOUSING 1 1 1 1
10 2VM−12428−11 GASKET, HOUSING COVER 2 1 1 1 1
11 93604−10011 PIN, DOWEL 2 2 2 2
12 90430−06166 GASKET 1 1 1 1
13 95027−06025 BOLT, FLANGE 3 3 3 3
14 95027−06065 BOLT, FLANGE 1 1 1 1
PART NO. DESCRIPTION REMARKS
CAN
OCE
EUR
JPN
B
6
FIG. 5 RADIATOR. HOSE
REF.
NO.
1 4SR−1240A−00 RADIATOR ASSY 1 1 1 1
2 91A20−05065 TUBE, FLEXIBLE VINYL 1 1 1 1
3 90467−09006 CLIP 1 1 1 1
4 4SR−12461−00 RADIATOR ASSY 1 1 1 1
5 22W−12462−00 CAP, RADIATOR 1 1 1 1
6 4XL−12481−00 PIPE 1 1 1 1 1
7 4SS−12482−00 PIPE 2 2 2 2 2
8 4XL−12484−00 PIPE 4 1 1 1 1
9 90450−28014 HOSE CLAMP ASSY 4 4 4 4
10 90450−25037 HOSE CLAMP ASSY 2 2 2 2
11 90467−21068 CLIP 2 2 2 2
12 90480−15528 GROMMET 6 6 6 6
13 90387−0700G COLLAR 6 6 6 6
14 95027−06030 BOLT, FLANGE 6 6 6 6
15 90201−06071 WASHER, PLATE 6 6 6 6
PART NO. DESCRIPTION REMARKS
CAN
OCE
EUR
JPN
B
7
FIG. 6 INTAKE
REF.
NO.
1 4XL−13610−00 REED VALVE ASSY 1 1 1 1
2 4XL−13613−00 .REED, VALVE 2 2 2 2
3 4XL−13616−00 .STOPPER, REED VALVE 2 2 2 2
4 98507−03008 .SCREW, PAN HEAD 4 4 4 4
5 92907−03100 .WASHER 4 4 4 4
6 4XL−13625−00 SPACER, REED VALVE 1 1 1 1
7 4XL−13565−00 JOINT, CARBURETOR 1 1 1 1
8 91317−06020 BOLT 5 5 5 5
9 90464−16039 CLAMP 2 2 2 2
10 90450−51070 HOSE CLAMP ASSY 1 1 1 1
11 90450−70072 HOSE CLAMP ASSY 1 1 1 1
12 4SS−14401−02 AIR CLEANER CASE ASSY 1 1 1 1
13 4SR−14453−00 JOINT, AIR CLEANER 1 1 1 1 1
14 3JD−14459−01 HOLDER, GUIDE 1 1 1 1
15 3JD−14462−00 SEAL 1 1 1 1
PART NO. DESCRIPTION REMARKS
CAN
OCE
EUR
JPN
B
16 3JD−14477−00 PLATE 1 1 1 1
17 95607−05100 NUT, U 5 5 5 5
18 4SS−14417−00 COVER 1 1 1 1 1
19 90267−32070 RIVET, BLIND 3 3 3 3
20 90201−03313 WASHER, PLATE 6 6 6 6
21 4XM−14451−00 ELEMENT, AIR CLEANER 1 1 1 1
22 90209−06096 WASHER 1 1 1 1
23 90122−06035 BOLT, WING 1 1 1 1
24 3JD−14458−01 GUIDE 1 1 1 1
25 90183−06023 NUT, SPRING 4 4 4 4
26 90201−061A5 WASHER, PLATE 2 2 2 2
27 90105−06553 BOLT, WASHER BASED 2 2 2 2
8
FIG. 7 CARBURETOR
REF.
NO.
15DJ−14101−00 CARBURETOR ASSY 1 1 1 1 1
2 4SR−14171−00 .PLUNGER, STARTER 1 1 1 1
3 4SR−14985−00 .FLOAT 1 1 1 1
44MX−14984−00 .GASKET, FLOAT CHAMBER 1 1 1 1
54MX−14115−00 .PLUG, SCREW 1 1 1 1
64MX−14561−00 .O−RING 1 1 1 1
74MX−14392−00 .VALVE, NEEDLE 1 1 1 1
8 4XL−14146−00 .PLATE 2 2 2 2
94MX−14948−06 .JET, SLOW (#48) 1 1 1 1 STD
PART NO. DESCRIPTION REMARKS
4SR−14948−02 .JET, SLOW (#38) 1 1 1 1 AP
4SR−14948−03 .JET, SLOW (#40) 1 1 1 1 AP
4MX−14948−04 .JET, SLOW (#42) 1 1 1 1 AP
4MX−14948−05 .JET, SLOW (#45) 1 1 1 1 AP
4MX−14948−07 .JET, SLOW (#50) 1 1 1 1 AP
4MX−14948−08 .JET, SLOW (#52) 1 1 1 1 AP
CAN
OCE
EUR
JPN
B
4MX−14948−09 .JET, SLOW (#55) 1 1 1 1 AP
10 4XL−14916−VF .NEEDLE (N3VF) 1 1 1 1 STD
4XL−14916−DE .NEEDLE (N4DE) 1 1 1 1 AP
4XL−14916−DF .NEEDLE (N4DF) 1 1 1 1 AP
4XL−14916−DG .NEEDLE (N4DG) 1 1 1 1 AP
4XL−14916−DH .NEEDLE (N4DH) 1 1 1 1 AP
4XL−14916−VE .NEEDLE (N3VE) 1 1 1 1 AP
4XL−14916−VG .NEEDLE (N3VG) 1 1 1 1 AP
4XL−14916−VH .NEEDLE (N3VH) 1 1 1 1 AP
4XL−14916−AE .NEEDLE (N4AE) 1 1 1 1 AP
4XL−14916−AF .NEEDLE (N4AF) 1 1 1 1 AP
4XL−14916−AG .NEEDLE (N4AG) 1 1 1 1 AP
9
FIG. 7 CARBURETOR
REF.
NO.
10 4XL−14916−AH .NEEDLE (N4AH) 1 1 1 1 AP
11 4MX−14919−00 .CLIP 1 1 1 1
12 5DJ−14340−A7 .VALVE ASSY 1 1 1 1 STD
13 4SR−14261−00 .HOLDER 1 1 1 1
14 4SR−14126−00 .GASKET 1 1 1 1
15 4SR−14105−00 .PILOT SCREW SET 1 1 1 1
16 4MX−14131−00 .SPRING, THROTTLE VALVE 1 1 1 1
17 663−14159−00 .CLIP 1 1 1 1
18 98502−04014 .SCREW, PAN HEAD 4 4 4 4
19 4XL−14197−10 .PIPE 2 2 2 2
PART NO. DESCRIPTION REMARKS
4XL−14916−ME .NEEDLE (N6ME) 1 1 1 1 AP
4XL−14916−MF .NEEDLE (N6MF) 1 1 1 1 AP
4XL−14916−MG .NEEDLE (N6MG) 1 1 1 1 AP
4XL−14916−MH .NEEDLE (N6MH) 1 1 1 1 AP
4SR−14340−A6 .VALVE ASSY 1 1 1 1 AP
CAN
OCE
EUR
JPN
B
20 4XL−14196−10 .PIPE 1 1 1 1
21 676−14548−00 .PIN, FLOAT ARM 1 1 1 1
22 3TJ−14137−40 .CLIP 5 5 5 5
23 4MX−14943−92 .JET, MAIN (#172) 1 1 1 1 STD
4SR−14943−90 .JET, MAIN (#162) 1 1 1 1 AP
4MX−14943−40 .JET, MAIN (#165) 1 1 1 1 AP
4MX−14943−91 .JET, MAIN (#168) 1 1 1 1 AP
4MX−14943−41 .JET, MAIN (#170) 1 1 1 1 AP
4MX−14943−42 .JET, MAIN (#175) 1 1 1 1 AP
4MX−14943−93 .JET, MAIN (#178) 1 1 1 1 AP
4MX−14943−43 .JET, MAIN (#180) 1 1 1 1 AP
4MX−14943−94 .JET, MAIN (#182) 1 1 1 1 AP
10
FIG. 7 CARBURETOR
REF.
NO.
23 4MX−14943−44 .JET, MAIN (#185) 1 1 1 1 AP
24 4MX−14194−00 .RING 1 1 1 1
25 98502−04012 .SCREW, PAN HEAD 2 2 2 2
26 4XL−1410E−00 .HOSE 1 1 1 1
PART NO. DESCRIPTION REMARKS
4MX−14943−95 .JET, MAIN (#188) 1 1 1 1 AP
4MX−14943−45 .JET, MAIN (#190) 1 1 1 1 AP
CAN
OCE
EUR
JPN
B
11
FIG. 8 EXHAUST
REF.
NO.
1 4XL−14610−10 EXHAUST PIPE ASSY 1 1 1 1 1
2 93210−472A9 O−RING 1 1 1 1
3 90507−20052 SPRING, TENSION 3 3 3 3
4 565−14771−00 STAY, MUFFLER 1 1 1 1 1
5 483−14781−02 STAY, MUFFLER 2 1 1 1 1
6 95027−06012 BOLT, FLANGE 2 2 2 2
7 90119−06185 BOLT, WITH WASHER 1 1 1 1
8 95027−08012 BOLT, FLANGE 1 1 1 1
9 3JE−14615−01 JOINT, EXHAUST 1 1 1 1 1
10 5DJ−14753−00 SILENCER, EXHAUST 1 1 1 1
11 92017−06010 .BOLT, BUTTON HEAD 2 2 2 2
12 5DJ−1469A−00 .FIBER 1111
13 90480−16561 GROMMET 2 2 2 2
14 90387−063G3 COLLAR 2 2 2 2
15 95027−06025 BOLT, FLANGE 1 1 1 1
PART NO. DESCRIPTION REMARKS
CAN
OCE
EUR
JPN
B
16 90201−06071 WASHER, PLATE 1 1 1 1
12
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