YFM250XR
(4XEK)
OCEANIA
YFM250XR
(4XEK)
FRANCE,ENGLAND
1B4XE− 300E1
YFM250XR
PARTS CATALOGUE
E 2002 by Yamaha Motor Co., Ltd.
1st Edition, Jul. 2002
All rights reserved.
Any reprinting or unauthorized use
without the written permission of
Yamaha Motor Co., Ltd.
is expressly prohibited.
Printed in Japan
A3
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.
YFM250XR(4XEK)
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.
9. A part with “YMUS” in the remarks column can be obtained from YMUS
(USA) and not from YAMAHA MOTOR CO.,LTD (JAPAN).
EXAMPLE
PART NO. DESCRIPTION Q’TY REMARKS
EW2− U5160− 00 ENGINE HATCH COMP. 2 YMUS
90601− 168U7 BAND, HOSE 1 YMUS
ADDRESS:
YAMAHA MOTOR CORPORATION U.S.A.
PARTS & ACCESSORY DIV.
6555 KATELLA AVENUE
CYPRESS, CALIFORNIA 90630 U.S.A.
A4
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
4
Production
Code No.
010
020 FRANCE
030 ENGLAND
(destination)
AUSTRALIA
NEW ZEALAND
Country
Model
Code
Production
Code No.
(destination)
Country
(5) Colouring Information
Model
Code
A5
Colouring type
code
A 00TR ROMANTIQUE ROUGE RTR
B 00K0 PASTEL DEEP GREEN PDG
D 0583
Colour
code
Colour Name
DEEP PURPLISH BLUE
SOLID E
Abbrevi-
ation
DPBSE
ENGINE
CYLINDER HEAD B2 ...................................
CYLINDER B4 .........................................
CRANKSHAFT. PISTON B5 ..............................
VALVE B7 .............................................
CAMSHAFT. CHAIN B8 .................................
INTAKE B9 ............................................
OIL PUMP B10 ..........................................
CARBURETOR B11 .....................................
EXHAUST B13 ..........................................
CRANKCASE B14 .......................................
CRANKCASE COVER 1 B15 ..............................
STARTER C3 ..........................................
STARTER CLUTCH C4 ..................................
CLUTCH C5 ...........................................
TRANSMISSION C6 ....................................
MIDDLE DRIVE GEAR C7 ...............................
DRIVE SELECTOR C10 ..................................
SHIFT CAM. FORK C12 ..................................
SHIFT SHAFT C13 ......................................
CHASSIS
FRAME C14 ............................................
FRONT FENDER C15 ....................................
REAR FENDER D2 .....................................
SIDE COVER D3 .......................................
REAR ARM D4 .........................................
DRIVE SHAFT D5 ......................................
REAR SUSPENSION D8 ................................
FRONT SUSPENSION. WHEEL D9 .......................
CONTENTS
STEERING D10 .........................................
FUEL TANK D11 ........................................
SEAT D12 ..............................................
FRONT WHEEL D13 .....................................
FRONT BRAKE CALIPER D14 ............................
REAR WHEEL D15 ......................................
STEERING HANDLE. CABLE E3 .........................
FRONT MASTER CYLINDER E4 .........................
STAND. FOOTREST E5 .................................
GUARD E6 ............................................
GENERATOR E7 .......................................
STARTING MOTOR E8 ..................................
HEADLIGHT E9 ........................................
TAILLIGHT E10 .........................................
HANDLE SWITCH. LEVER E11 ...........................
ELECTRICAL 1 E12 .....................................
ELECTRICAL 2 E14 .....................................
EMBLEM.LABEL 1 E15 ..................................
EMBLEM.LABEL 2 F2 ..................................
INDEX
NUMERICAL INDEX M1 .................................
FIG. 1 CYLINDER HEAD
REF.
NO.
10 93612− 16254 PIN, DOWEL 1 1 1
11 90430− 12186 GASKET 1 1 1
12 90105− 08195 BOLT, FLANGE 4 4 4
13 90201− 08609 WASHER, PLATE 4 4 4
14 91317− 08045 BOLT 2 2 2
15 90201− 087G0 WASHER, PLATE 2 2 2
PART NO. DESCRIPTION REMARKS
1 4BD− 11101− 02 CYLINDER HEAD ASSY 1 1 1
2 93440− 10085 .CIRCLIP 2 2 2
3 90153− 06029 .SCREW, HEXAGON 1 1 1
4 90430− 06014 .GASKET 1 1 1
5 5H0−11133−11 .GUIDE, INTAKE VALVE 2 2 2
6 15A− 11162− 00 ABSORBER 2 1 1 1
7 15A− 11161− 01 ABSORBER 1 1 1 1
8 3GH− 11181−00 GASKET, CYLINDER HEAD 1 1 1 1
9 99530− 14016 PIN, DOWEL 2 2 2
OCE
FRA
GBR
B2
16 4BD− 11160−00 BREATHER ASSY 1 1 1
17 4KB− 11165− 00 PLATE, BREATHER 1 1 1
18 4XE− 11166− 00 PIPE, BREATHER 1 1 1 1
19 90467− 14015 CLIP 1 1 1
20 93210− 92448 O−RING 1 1 1
21 92017− 06012 BOLT, BUTTON HEAD 2 2 2
22 93211− 05471 O− RING 1 1 1
23 98507− 06020 SCREW, PAN HEAD 2 2 2
24 3GC−11186−00 COVER, CYLINDER HEAD SIDE 2 1 1 1
25 3GC−11187−00 COVER, CYLINDER HEAD SIDE 3 1 1 1
26 93210− 57634 O−RING 2 2 2
27 91317− 06018 BOLT 5 5 5
FIG. 1 CYLINDER HEAD
REF.
NO.
28 5H0−1111F −00 PLATE 1 1 1
29 97007− 06012 BOLT 2 2 2
30 90215− 06184 WASHER, LOCK 1 1 1
31 94701− 00345 PLUG, SPARK (NGK DR7EA) 1 1 1 WITH RESISTER
PART NO. DESCRIPTION REMARKS
OCE
FRA
GBR
B3
FIG. 2 CYLINDER
REF.
NO.
PART NO. DESCRIPTION REMARKS
1 4BD− 11310−01 CYLINDER 1 1 1
2 93210− 72529 O−RING 1 1 1
3 4BD− 11351− 00 GASKET, CYLINDER 1 1 1
4 93210− 13361 O−RING 1 1 1
5 99530− 14016 PIN, DOWEL 2 2 2
6 91317− 06025 BOLT 2 2 2
OCE
FRA
GBR
B4
FIG. 3 CRANKSHAFT. PISTON
REF.
NO.
10 4BD− 11631−00−Y0 PISTON (STD) 1 1 1
11 4BD− 11610−00 PISTON RING SET (STD) 1 1 1
PART NO. DESCRIPTION REMARKS
1 29U−11400−01 CRANKSHAFT ASSY 1 1 1
2 29U−W1141−00 .CRANK 1 1 1 1
3 29U−11422−01 .CRANK 2 1 1 1
4 90331− 09041 ..PLUG 1 1 1
5 5H0−11681−00 .PIN, CRANK 1 1 1 1
6 93310−530J3 .BEARING 1 1 1
7 29U−11651−00 .ROD, CONNECTING 1 1 1
8 93306−30611 BEARING 1 1 1
9 90280− 03017 KEY, WOODRUFF 1 1 1
4BD− 11636− 00 PISTON (0.50MM O/S) 1 1 1 AP
4BD− 11638− 00 PISTON (1.00MM O/S) 1 1 1 AP
4BD− 11610− 20 PISTON RING SET (0.50MM O/S) 1 1 1 AP
4BD− 11610− 40 PISTON RING SET (1.00MM O/S) 1 1 1 AP
OCE
FRA
GBR
B5
12 29U−11633−00 PIN, PISTON 1 1 1
13 93450− 17044 CIRCLIP 2 2 2
14 2HT− 11536−00 GEAR, DRIVE 1 1 1
15 5H0−11531−00 GEAR, BALANCE WEIGHT (38T) 1 1 1
16 4BD− 11454−00 WEIGHT 1 1 1 1
17 93306− 30427 BEARING 2 2 2
18 90282− 05013 KEY, STRAIGHT 1 1 1
19 90215− 14205 WASHER, LOCK 1 1 1
20 90170− 14284 NUT 1 1 1
21 90280− 05048 KEY, WOODRUFF 1 1 1
22 90201−107F8 WASHER, PLATE 1 1 1
23 92907− 10100 WASHER, SPRING 1 1 1
FIG. 3 CRANKSHAFT. PISTON
REF.
NO.
24 90101− 10568 BOLT 1 1 1
25 93210− 16290 O−RING 1 1 1
26 99009− 26400 CIRCLIP 1 1 1
PART NO. DESCRIPTION REMARKS
OCE
FRA
GBR
B6
FIG. 4 VALVE
REF.
NO.
10 5H0−12156−00 SHAFT, ROCKER 2 1 1 1
11 5H0− 12146− 00 SHAFT, ROCKER 1 1 1
12 93210− 09165 O−RING 1 1 1
13 2NX− 12159−00 SCREW, VALVE ADJUSTING 2 2 2
14 90170− 06128 NUT 2 2 2
PART NO. DESCRIPTION REMARKS
1 5H0−12111−01 VALVE, INTAKE 1 1 1
2 5H0−12121−01 VALVE, EXHAUST 1 1 1
3 4G0− 12116−01 SEAT, VALVE SPRING 2 2 2
4 4G0− 12113−01 SPRING, VALVE INNER 2 2 2 YELLOW
5 4G0− 12114−01 SPRING, VALVE OUTER 2 2 2 YELLOW
6 5H0−12119−00 SEAL, VALVE STEM 2 2 2
7 4G0− 12117−00 RETAINER, VALVE SPRING 2 2 2
8 4G0− 12118−00 COTTER, VALVE 4 4 4
9 29U−12151−00 ARM, VALVE ROCKER 2 2 2
OCE
FRA
GBR
B7
FIG. 5 CAMSHAFT. CHAIN
REF.
NO.
10 3GC−12210−10 TENSIONER ASSY, CAM CHAIN 1 1 1
11 4FM− 12213− 00 GASKET, TENSIONER CASE 1 1 1
12 95027− 06025 BOLT, FLANGE 2 2 2
13 97027− 06016 BOLT 2 2 2
14 92907− 06600 WASHER, PLATE 2 2 2
PART NO. DESCRIPTION REMARKS
1 5H0−12171−02 CAMSHAFT 1 1 1 1
2 5H0−12176− 00 SPROCKET, CAM CHAIN (40T) 1 1 1
3 93604−10011 PIN, DOWEL 1 1 1
4 90101− 10303 BOLT 1 1 1
5 90201− 10591 WASHER, PLATE 1 1 1
6 90387− 251T0 COLLAR 1 1 1
7 94580− 41104 CHAIN (DID25SH 104L) 1 1 1
8 5H0−12231−00 GUIDE, STOPPER 1 1 1 1
9 5N0−12241−00 GUIDE, STOPPER 2 1 1 1
OCE
FRA
GBR
B8
FIG. 6 INTAKE
REF.
NO.
10 4XE− E4438−00 CLIP, DRAIN CLEANER 1 1 1 (YMUS)
11 4XE− E4450− 00 ELEMENT ASSY, AIR CLEANER 1 1 1 (YMUS)
12 31A− 14419−00 PIPE 1 1 1
13 90460− 56105 CLAMP, HOSE 1 1 1
14 4XE− E4453−00 JOINT, AIR CLEANER 1 1 1 1 (YMUS)
15 4XE− E4437−00 DUCT 1 1 1 (YMUS)
PART NO. DESCRIPTION REMARKS
1 4XE− 13586− 00 JOINT, CARBURETOR 1 1 1 1
2 93210− 35537 O−RING 1 1 1
3 91317− 06020 BOLT 2 2 2
4 90450− 49020 HOSE CLAMP ASSY 1 1 1
5 4XE− E4411− 00 CASE, AIR CLEANER 1 1 1 1 (YMUS)
6 JN6− E4424−00 CLIP, CAP FITTING 3 3 3 (YMUS)
7 4XE− E4462−00 SEAL 1 1 1 (YMUS)
8 4XE− E4412−00 CAP, CLEANER CASE 1 1 1 1 (YMUS)
9 4XE− E4457−00 SEAL 1 1 1 (YMUS)
OCE
FRA
GBR
B9
16 90460− 58124 CLAMP, HOSE 1 1 1
17 90460− 56105 CLAMP, HOSE 1 1 1
18 4XE− E442F−00 PROTECTOR 1 1 1 (YMUS)
19 4BD− 2631F−00 GUIDE 1 1 1
FIG. 7 OIL PUMP
REF.
NO.
10 5H0−13440−00 ELEMENT ASSY, OIL CLEANER 1 1 1
11 15A− 13447− 00 COVER, OIL ELEMENT 1 1 1
12 93210− 54175 O−RING 1 1 1
13 91317− 06020 BOLT 2 2 2
14 91317−06115 BOLT 1 1 1
PART NO. DESCRIPTION REMARKS
1 2HT− 13300−00 OIL PUMP ASSY 1 1 1
2 21V− 13326−00 .GEAR, PUMP DRIVEN 2 (41T) 1 1 1
3 93603− 12030 .PIN, DOWEL 1 1 1
4 4BE− 13329− 01 GASKET, PUMP COVER 1 1 1
5 98707− 06030 SCREW, FLAT HEAD 3 3 3
6 51Y− 13411−00 STRAINER, OIL 1 1 1
7 90501− 18576 SPRING, COMPRESSION 1 1 1
8 5H0−15351−00 PLUG, DRAIN 1 1 1
9 93210−347A1 O−RING 1 1 1
OCE
FRA
GBR
B10
FIG. 8 CARBURETOR
REF.
NO.
10 4G0−14142− 42 .JET, PILOT (# 42.5) 1 1 1
11 620− 14231− 19 .JET, MAIN (# 95) 1 1 1
12 137−14153−00 .WASHER, MAIN JET 1 1 1
13 2VA− 14185− 00 .FLOAT 1 1 1
14 537−14186− 00 .PIN, FLOAT 1 1 1
15 1UY− 14107−20 .NEEDLE VALVE SET 1 1 1
PART NO. DESCRIPTION REMARKS
1 4XE− 14140− 23 CARB. SUB ASSY 1 1 1
2 4XE− 14933− 00 .SPRING, DIAPHRAGM 1 1 1
3 4WU−14940−00 .DIAPHRAGM ASSY 1 1 1
4 4XE− 1490J−00 .NEEDLE SET 1 1 1
5 4WU−14141−42 .NOZZLE, MAIN 1 1 1
6 98507− 04012 .SCREW 4 4 4
7 3FV− 14191−00 .PLUG, DRAIN 1 1 1
8 26H−1490H−00 .DIAPHRAGM SET 5 1 1 1
9 4RF− 14105−00 .PILOT SCREW SET 1 1 1
OCE
FRA
GBR
B11
16 2LN−14147−00 .O−RING 1 1 1
17 1J7− 14994−00 .NET, FILTER 1 1 1
18 1UY− 14565−00 .SCREW 2 2 2
19 2LN−14565−00 .SCREW 1 1 1
20 2J2− 14197−00 .PIPE 1 1 1
21 98507− 04008 .SCREW, PAN HEAD 4 4 4
22 4KB− 14993−00 .PLUNGER, STARTER 1 1 1
23 2A2− 14172−16 .PILOT JET, AIR (1.6) 1 1 1
24 2VA− 14103− 00 .THROTTLE SCREW SET 1 1 1
25 4KB− 14193−20 .PIPE 1 1 1
26 4XE− 14937−00 .CLIP 1 1 1
27 4KB− 14285−00 .WASHER 1 1 1
FIG. 8 CARBURETOR
REF.
NO.
28 22U−14952−00 .WASHER 1 1 1
29 522−14161−00 .NUT, CABLE ADJUSTING 1 1 1
30 4XE− 14480−00 COVER SUB ASSY 1 1 1
31 4KB− 14147−00 .O− RING 1 1 1
32 1UY− 14565−00 SCREW 4 4 4
33 1UY− 14155−00 GUIDE, CABLE 1 1 1
34 24W−14193− 00 PIPE 1 1 1
35 91A20−07010 TUBE, FLEXIBLE VINYL 1 1 1
PART NO. DESCRIPTION REMARKS
OCE
FRA
GBR
B12
FIG. 9 EXHAUST
REF.
NO.
10 3YF− 14714−00 GASKET, MUFFLER 1 1 1
PART NO. DESCRIPTION REMARKS
1 4XE− E4611− 10 PIPE, EXHAUST 1 1 1 1 (YMUS)
2 4XE− E4628−00 PROTECTOR, EXHAUST PIPE 1 1 1 (YMUS)
3 4XE− E4767−00 SCREW 2 2 2 (YMUS)
4 4XE− E4612−10 NUT, RING 1 1 1 (YMUS)
5 4XE− E4710−20 MUFFLER ASSY 1 1 1 1 (YMUS)
6 4BE− 14613− 00 GASKET, EXHAUST PIPE 1 1 1
7 9131P− 06020 BOLT 2 2 2 (YMUS)
8 90105− 10801 BOLT, FLANGE 2 2 2 (YMUS)
9 90201− 108R2 WASHER, PLATE 2 2 2 (YMUS)
OCE
FRA
GBR
B13
FIG. 10 CRANKCASE
REF.
NO.
10 91317− 06160 BOLT 1 1 1
11 98507− 06075 SCREW 1 1 1
PART NO. DESCRIPTION REMARKS
1 4BD− 15100−12 CRANKCASE ASSY 1 1 1
2 91317− 06035 .BOLT 4 4 4
3 99530− 10014 .PIN, DOWEL 2 2 2
4 91317− 06085 .BOLT 1 1 1
5 99530− 12016 .PIN, DOWEL 2 2 2
6 98507− 06030 SCREW 7 7 7
7 98507− 06040 SCREW, PAN HEAD 1 1 1
8 98507− 06060 SCREW 1 1 1
9 98507− 06085 SCREW 1 1 1
OCE
FRA
GBR
B14
FIG. 11 CRANKCASE COVER 1
REF.
NO.
10 98507− 06060 SCREW 1 1 1
11 4BD− 15462− 00 GASKET, CRANKCASE COVER 3 1 1 1
12 99530− 12016 PIN, DOWEL 2 2 2
13 98507− 06040 SCREW, PAN HEAD 3 3 3
14 4BD− 15431−02 COVER, CRANKCASE 3 1 1 1
15 4BD− 15317−00 SPACER, ENGINE MOUNT 1 1 1
PART NO. DESCRIPTION REMARKS
1 4BD− 15451−01 GASKET, CRANKCASE COVER 1 1 1 1
2 99530− 12016 PIN, DOWEL 2 2 2
3 4BD− 15787−10 ADAPTOR 1 1 1
4 93103− 28141 OIL SEAL 1 1 1
5 93306− 07801 BEARING 1 1 1
6 21V− 15719−00 WASHER, THRUST 1 1 1
7 98707− 05016 SCREW, FLAT HEAD 3 3 3
8 98507− 06025 SCREW 5 5 5
9 98507− 06040 SCREW, PAN HEAD 2 2 2
OCE
FRA
GBR
B15
16 99530− 12016 PIN, DOWEL 2 2 2
17 98507− 06040 SCREW, PAN HEAD 2 2 2
18 21V− 15499−00 PROTECTOR, COVER 1 1 1
19 98907− 06014 SCREW, BIND 3 3 3
20 4BD− 15463−01 GASKET, CARBURETOR COVER 2 1 1 1
21 98507− 06070 SCREW 5 5 5
22 98507− 06040 SCREW, PAN HEAD 1 1 1
23 98507− 06080 SCREW 1 1 1
24 1UY− 15362−01 PLUG, OIL LEVEL 1 1 1
25 93210− 19123 O−RING 1 1 1
26 93306− 20313 BEARING (B6203C4) 1 1 1
27 93101−17113 OIL SEAL 1 1 1
FIG. 11 CRANKCASE COVER 1
REF.
NO.
28 21V− 15381−00 PLATE, BEARING COVER 1 1 1
29 98707− 06018 SCREW, FLAT HEAD 3 3 3
PART NO. DESCRIPTION REMARKS
OCE
FRA
GBR
C2