YAMAHA YZ125W1, YZ125W, YZ125 PARTS CATALOGUE 07

YZ125W1 (1C39) U.S.A.,CANADA YZ125 (1C3A) EUROPE YZ125 (1C3B) JAPAN YZ125W (1C3C) OCEANIA YZ125 (1C3C) SOUTH AFRICA

1F1C3-100E1

2F1C3-100E1

()

A2

YZ125W1

YZ125W/YZ125

PARTS CATALOGUE

1st edition, June 2006

Any reprinting or unauthorized use

without the written permission of

Yamaha Motor Co., Ltd.

is expressly prohibited.

A3

A4

FOREWORD

This Parts Catalogue is related to the parts for the model(s) on the cover page. When you are ordering replacement parts, please refer to this Parts Catalogue and quote both part numbers and part names correctly.

1. Modifications or additions which have been made after the issue of the Parts Catalogue will be announced in the Parts News. It is advisable that you make the necessary corrections to the Parts Catalogue according to the 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” Locally Made (Parts need to be ordered locally) “F#” Frame No. (Applicable machine No.) “O/S” Over Size

3. The number of components for assembly

• Parts, which are to be supplied in an assembly, are listed with a dot (.) in front of the part name as shown below.

• The numeral appearing to the right of each component part indicates the quantity of parts for each assembly unit.

PART NO. DESCRIPTION Q’TY REMARKS

2F5–83310–60 FRONT FLASHER LIGHT ASSY 2

115–83311–60 .BULB (6V–18W) 1

6. The asterisk (*) before a reference number indicates modified items after the first edition.

4. Applicable colours of graphics are represented in the “REMARKS” as shown below.

PART NO. DESCRIPTION Q’TY REMARKS

2N4–24110–00–X5 FUEL TANK COMP. 2 MXR

3J1–24240–10 .GRAPHIC, FUEL TANK 1 FOR MXR

5. Note that the illustrations for reference in finding parts numbers are not to be used for assembling. When assembling, please use the applicable service manual.

A5

7. Applicable Serial No.

Engine Serial No. Frame Serial No.

8. Applicable Colour Code (The (*) mark shows Model colour.)

Abbreviation Colour Name Colour Code

DPBSE(*) DEEP PURPLISH BLUE SOLID E 0583

FOREWORD

A6

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–reference the “model code – production code No.” in the catalogue with the “model code – production code No.” indicated on the Model Label affixed onto the product concerned.

(2) “Model Label” Indication

(3) Model Label Affixing Location

(4) Colouring Information

Model Code

1C39

1C3A

1C3B

1C3C

Colouring

Type Code

A 0583

Colour

Code

Colour Name

DEEP PURPLISH BLUE SOLID E DPBSE

Abbrevia-

tion

(5) Model Code – Production Code Number of Model Listed in This Parts Catalogue

Model

Code

1C39

1C3A 010 EUROPE

1C3B 010 JAPAN

1C3C

Production

Code No.

010 U.S.A.

020 CANADA

010

020 SOUTH AFRICA

Country

(destination)

AUSTRALIA

NEW ZEALAND

Model

Code

Production

Code No.

Country

(destination)

A7

ENGINE

CYLINDER HEAD .................................................................B2

GOVERNOR .........................................................................B4

CRANKSHAFT & PISTON ....................................................B5

WATER PUMP ......................................................................B6

RADIATOR & HOSE .............................................................B7

INTAKE .................................................................................B8

CARBURETOR .....................................................................B9

EXHAUST .............................................................................B12

CRANKCASE ........................................................................B14

CRANKCASE COVER 1 .......................................................B15

STARTER ..............................................................................C2

CLUTCH ................................................................................C3

TRANSMISSION ...................................................................C4

SHIFT CAM & FORK .............................................................C6

SHIFT SHAFT .......................................................................C7

CHASSIS

FRAME ..................................................................................C8

FENDER ................................................................................C10

SIDE COVER ........................................................................C12

REAR ARM ...........................................................................C13

REAR SUSPENSION ............................................................C15

STEERING ............................................................................D3

FRONT FORK .......................................................................D4

FUEL TANK ...........................................................................D7

SEAT .....................................................................................D9

FRONT WHEEL .................................................................... D10

FRONT BRAKE CALIPER ....................................................D11

REAR WHEEL .......................................................................D12

REAR BRAKE CALIPER .......................................................D14

STEERING HANDLE & CABLE ............................................D15

FRONT MASTER CYLINDER ...............................................E2

STAND & FOOTREST ..........................................................E3

REAR MASTER CYLINDER .................................................E4

GENERATOR ........................................................................E5

HANDLE SWITCH & LEVER ................................................E6

ELECTRICAL 1 .....................................................................E7

ALTERNATE FOR CHASSIS ................................................E8

OPTIONAL PARTS 1 ............................................................E9

CONTENTS

INDEX

NUMERICAL INDEX ............................................................. M1

FIG. 1 CYLINDER HEAD

REF. NO.

1

2

3

4

5

6

7

8

9

10

11

12

13

PART NO. DESCRIPTION

1C3–11111–10

90116–08027

90176–08005

90201–080L8

93210–63442

93210–90785

1C3–11311–10

1C3–11351–00

90116–08031

90116–08028

99590–10114

90179–08019

94702–00193

HEAD, CYLINDER 1 1 1 1 1

BOLT, STUD 5 5 5 5

NUT, CROWN 5 5 5 5

WASHER, PLATE 5 5 5 5

O-RING 1 1 1 1

CYLINDER 1 1 1 1 1

GASKET, CYLINDER 1 1 1 1

BOLT, STUD 2 2 2 2

PIN, DOWEL 2 2 2 2

NUT 4444

PLUG, SPARK (NGK BR9EVX) 1 1 1

1C39

1C3A

1C3B

1C3C

REMARKS

B

2

94709–00193

14

1C3–1131D–00

15

1C3–1132D–00

16

91312–05012

17

5HD–1131V–00

18

4SS–11832–00

19

91312–04010

20

5UN–11395–00

21

93104–08040

22

4SS–1131M–01

23

4JY–11166–00

24

90467–13062

25

1C3–11354–00

26

98902–05016

PLUG, SPARK (NGK BR-9EVX) 1

VALVE ASSY 1111

VALVE ASSY 2 1 1 1 1

BOLT 4444

SHAFT 1 1 1 1 1

LEVER, LINK 1111

BOLT 1111

HOLDER 1111

OIL SEAL 1 1 1 1

COVER 1 1 1 1

PIPE, BREATHER 1 1 1 1 1

CLIP 1111

GASKET 1 1 1 1

SCREW, BIND 4 4 4 4

FIG. 1 CYLINDER HEAD

REF. NO.

27

28

29

30

31

32

33

PART NO. DESCRIPTION

90508–16134

90387–08785

1C3–11992–00

1C3–11993–00

97002–05016

92902–05600

1C3–11995–00

SPRING, TORSION 2 2 2 2

COLLAR 2222

HOUSING 2 1 1 1 1

GASKET 1 1 1 1

BOLT 3333

WASHER, PLATE 3 3 3 3

SEAL, HOUSING 1 1 1 1

1C39

1C3A

1C3B

1C3C

REMARKS

B

3

FIG. 2 GOVERNOR

REF. NO.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

PART NO. DESCRIPTION

4JY–11915–10

98502–05012

1C3–11990–10

90387–085E1

90201–05021

97002–05012

93104–08040

3JE–11922–01

91312–04006

93300–60801

5X4–11921–02

5NY–11953–00

90501–300A0

5CU–11952–00

90201–150U6

PLATE, THRUST 1 1 1 1 1

SCREW, PAN HEAD 1 1 1 1

PUSH ROD ASSY 1 1 1 1

COLLAR 1111

WASHER, PLATE 1 1 1 1

BOLT 1111

OIL SEAL 1 1 1 1

FORK, GOVERNOR 1 1 1 1

BOLT 2222

BEARING 2 2 2 2 KOYO

SHAFT, GOVERNOR 1 1 1 1

GEAR, GOVERNOR 1 1 1 1

SPRING, COMPRESSION 1 1 1 1

PLATE 1 1 1 1

WASHER, PLATE 3 3 3 3

1C39

1C3A

1C3B

1C3C

REMARKS

B

4

16

90387–152F2

17

93340–21505

18

5CU–11912–00

19

5CU–11911–00

20

93507–16020

21

93603–14240

22

90387–107T9

COLLAR 1111

BEARING 2 2 2 2

RETAINER, WEIGHT 1 1 1 1

RETAINER 1111

BALL 4444

PIN, DOWEL 1 1 1 1

COLLAR 1111 AP

FIG. 3 CRANKSHAFT & PISTON

REF. NO.

1

2

3

4

5

6

7

8

PART NO. DESCRIPTION

1C3–11400–20

1C3–11410–10

1C3–11420–20

1C3–11651–00

3JD–11681–10

90209–22326

93310–52238

1C3–11631–01–A0

CRANKSHAFT ASSY 1 1 1 1

.CRANKSHAFT 1 1 1 1

.ROD, CONNECTING 1 1 1 1

.PIN, CRANK 1 1 1 1 1

.WASHER 2 2 2 2

.BEARING 1111

PISTON (STD) 1 1 1 1 UR RED

1C39

1C3A

1C3B

1C3C

REMARKS

1C3–11631–01–B0

1C3–11631–01–C0

1C3–11631–01–D0

9

5NY–11611–00

10

1C3–11633–00

11

93450–16068

12

93310–21510

13

93306–37204

14

93102–20485

15

93102–22419

16

90280–03017

PISTON (STD) 1 1 1 1 UR ORANGE

PISTON (STD) 1 1 1 1 UR GREEN

PISTON (STD) 1 1 1 1 UR PURPLE

RING, PISTON 1 1 1 1

PIN, PISTON 1 1 1 1

CIRCLIP 2 2 2 2

BEARING 1 1 1 1

BEARING 2 2 2 2 KOYO

OIL SEAL 1 1 1 1

KEY, WOODRUFF 1111

B

5

FIG. 4 WATER PUMP

REF. NO.

1

2

3

4

5

6

7

8

9

PART NO. DESCRIPTION

1C3–12450–00

1C3–12453–10

93603–12007

90201–08512

90387–08032

93440–07182

93102–08004

93102–08307

93300–60801

IMPELLER SHAFT ASSY 1 1 1 1

GEAR 1111

PIN, DOWEL 1 1 1 1

WASHER, PLATE 2 2 2 2

COLLAR 1111

CIRCLIP 1 1 1 1

OIL SEAL 1 1 1 1

BEARING 1 1 1 1 UR KOYO

1C39

1C3A

1C3B

1C3C

REMARKS

93300–60814

10

1C3–12422–00

11

90430–06014

12

95022–06010

13

1C3–12428–00

14

93604–10011

15

95022–06065

16

95022–06025

BEARING 1 1 1 1 UR NMB

COVER, HOUSING 1 1 1 1

GASKET 1 1 1 1

BOLT, FLANGE 1 1 1 1

GASKET, HOUSING COVER 2 1 1 1 1

PIN, DOWEL 2 2 2 2

BOLT, FLANGE 1 1 1 1

BOLT, FLANGE 3 3 3 3

B

6

FIG. 5 RADIATOR & HOSE

REF. NO.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

PART NO. DESCRIPTION

1C3–1240A–00

1C3–12465–00

91A20–05065

90467–090A2

1C3–12461–00

22W–12462–00

1C3–12465–00

1C3–12481–00

1C3–12482–00

1C3–12483–00

1C3–12484–00

90450–28001

90450–22001

90450–25001

90480–15528

RADIATOR ASSY 1 1 1 1

DAMPER, RADIATOR 1 1 1 1

TUBE, FLEXIBLE VINYL 1 1 1 1

CLIP 1111

RADIATOR ASSY 1 1 1 1

CAP, RADIATOR 1 1 1 1

DAMPER, RADIATOR 1 1 1 1

PIPE 1 1 1 1 1

PIPE 2 1 1 1 1

PIPE 3 1 1 1 1

PIPE 4 1 1 1 1

HOSE CLAMP ASSY 2 2 2 2

HOSE CLAMP ASSY 4 4 4 4

HOSE CLAMP ASSY 2 2 2 2

GROMMET 6 6 6 6

1C39

1C3A

1C3B

1C3C

REMARKS

B

7

16

90387–06065

17

90105–06111

18

90201–06571

19

90105–06118

COLLAR 6666

BOLT, FLANGE 6 6 6 6

WASHER, PLATE 6 6 6 6

BOLT, FLANGE 2 2 2 2

FIG. 6 INTAKE

REF. NO.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

PART NO. DESCRIPTION

1C3–13610–10

5UN–13613–00

5MV–13616–10

98502–03006

92902–03100

1C3–13625–00

1C3–13565–00

95022–06020

90450–54007

90450–70002

5NY–14401–01

1C3–14453–10

5NY–14459–00

5NY–14455–20

5NY–14442–00

REED VALVE ASSY 1 1 1 1

.REED, VALVE 2 2 2 2

.STOPPER, REED VALVE 2 2 2 2

.SCREW, PAN HEAD 6 6 6 6

.WASHER 6 6 6 6

.SPACER, REED VALVE 1 1 1 1

JOINT, CARBURETOR 1 1 1 1

BOLT, FLANGE 4 4 4 4

HOSE CLAMP ASSY 1 1 1 1

AIR CLEANER CASE ASSY 1 1 1 1

JOINT, AIR CLEANER 1 1 1 1 1

HOLDER, GUIDE 1 1 1 1

BAND 1111

SPACER 1111

1C39

1C3A

1C3B

1C3C

REMARKS

B

8

16

5NY–14417–00

17

90267–32070

18

90201–03313

19

4XM–14451–00

20

90209–06096

21

90122–06005

22

3JD–14458–01

23

90183–06023

24

90109–067F4

COVER 1 1 1 1 1

RIVET, BLIND 3 3 3 3

WASHER, PLATE 6 6 6 6

ELEMENT, AIR CLEANER 1 1 1 1

WASHER 1 1 1 1

BOLT, WING 1111

GUIDE 1 1 1 1

NUT, SPRING 4 4 4 4

BOLT 4444

FIG. 7 CARBURETOR

REF. NO.

1

PART NO. DESCRIPTION

1C3–14101–30

CARBURETOR ASSY 1 1

1C39

1C3A

1C3B

1C3C

REMARKS

1C3–14101–40

1C3–14101–50

2

5HD–14261–00

3

4PE–14194–00

4

3MA–14159–00

5

3JE–14171–00

6

5UN–14104–00

7

1FN–14565–00

8

5ET–14261–01

9

98507–04008

10

353–14186–00

11

4PE–14107–38

12

98507–04014

13

4PE–14131–00

14

4PE–14103–00

15

5ET–14197–00

16

10V–14196–00

CARBURETOR ASSY 1 1

CARBURETOR ASSY 1 1 1

.HOLDER 1 1 1 1

.RING 1 1 1 1

.CLIP 1 1 1 1

.PLUNGER, STARTER 1 1 1 1

.AIR SCREW SET 1 1 1 1

.SCREW 1 1 1 1

.HOLDER 1 1 1 1

.SCREW, PAN HEAD 1 1 1 1

.PIN, FLOAT 1 1 1 1

.NEEDLE VALVE SET 1 1 1 1

.SCREW, PAN HEAD 2 2 2 2

.SPRING, THROTTLE VALVE 1 1 1 1

.THROTTLE SCREW SET 1 1 1 1

.PIPE 2 2 2 2

.PIPE 1 1 1 1

B

9

17

5ET–14185–00

18

2K6–14147–00

19

5ET–14115–00

20

284–14116–H4

284–14116–J4

284–14116–H2

284–14116–H3

284–14116–H4

284–14116–H5

.FLOAT 1111

.O-RING 1 1 1 1

.PLUG, SCREW 1 1 1 1

.NEEDLE (6BFY42-74) 1 STD

.NEEDLE (6BFY43-74) 1 1 1 STD

.NEEDLE (6BFY42-72) 1 1 1 1 AP

.NEEDLE (6BFY42-73) 1 1 1 1 AP

.NEEDLE (6BFY42-74) 1 1 1 AP

.NEEDLE (6BFY42-75) 1 1 1 1 AP

FIG. 7 CARBURETOR

REF. NO.

20

PART NO. DESCRIPTION

284–14116–H6

.NEEDLE (6BFY42-76) 1 1 1 1 AP

1C39

1C3A

1C3B

1C3C

REMARKS

284–14116–J2

284–14116–J3

284–14116–J4

284–14116–J5

284–14116–J6

284–14116–K2

284–14116–K3

284–14116–K4

284–14116–K5

284–14116–K6

21

4KM–14142–40

4KM–14142–45

4KM–14142–30

4KM–14142–32

4KM–14142–35

4KM–14142–37

4KM–14142–40

.NEEDLE (6BFY43-72) 1 1 1 1 AP

.NEEDLE (6BFY43-73) 1 1 1 1 AP

.NEEDLE (6BFY43-74) 1 AP

.NEEDLE (6BFY43-75) 1 1 1 1 AP

.NEEDLE (6BFY43-76) 1 1 1 1 AP

.NEEDLE (6BFY44-72) 1 1 1 1 AP

.NEEDLE (6BFY44-73) 1 1 1 1 AP

.NEEDLE (6BFY44-74) 1 1 1 1 AP

.NEEDLE (6BFY44-75) 1 1 1 1 AP

.NEEDLE (6BFY44-76) 1 1 1 1 AP

.JET, PILOT (# 40) 1 1 1 STD

.JET, PILOT (# 45) 1 STD

.JET, PILOT (# 30) 1 1 1 1 AP

.JET, PILOT (# 32.5) 1 1 1 1 AP

.JET, PILOT (# 35) 1 1 1 1 AP

.JET, PILOT (# 37.5) 1 1 1 1 AP

.JET, PILOT (# 40) 1 AP

B

10

4KM–14142–42

4KM–14142–45

4KM–14142–47

4KM–14142–50

22

137–14143–82

137–14143–86

137–14143–80

137–14143–82

137–14143–84

.JET, PILOT (# 42.5) 1 1 1 1 AP

.JET, PILOT (# 45) 1 1 1 AP

.JET, PILOT (# 47.5) 1 1 1 1 AP

.JET, PILOT (# 50) 1 1 1 1 AP

.JET, MAIN (#410) 1 STD

.JET, MAIN (#430) 1 1 1 STD

.JET, MAIN (#400) 1 1 1 1 AP

.JET, MAIN (#410) 1 1 1 AP

.JET, MAIN (#420) 1 1 1 1 AP

FIG. 7 CARBURETOR

REF. NO.

22

PART NO. DESCRIPTION

137–14143–86

.JET, MAIN (#430) 1 AP

1C39

1C3A

1C3B

1C3C

REMARKS

137–14143–88

137–14143–90

137–14143–92

137–14143–94

23

1C3–14112–40

1C3–14112–42

24

5ET–1416A–00

25

5ET–14147–00

26

51R–14146–00

27

98502–05014

28

2HH–14197–00

29

87M–14137–00

30

5MV–14194–00

31

5MV–24514–00

32

5MV–14146–00

33

5MV–14216–00

34

5MV–14261–00

.JET, MAIN (#440) 1 1 1 1 AP

.JET, MAIN (#450) 1 1 1 1 AP

.JET, MAIN (#460) 1 1 1 1 AP

.JET, MAIN (#470) 1 1 1 1 AP

.VALVE, THROTTLE 1 (4.0) 1 1 1 1 STD

.VALVE, THROTTLE 1 (4.25) 1 1 1 1 AP

.O-RING 1 1 1 1

.PLATE 2222

.SCREW, PAN HEAD 3 3 3 3

.PIPE 2 2 2 2

.CLIP 3 3 3 3

.RING 1 1 1 1

.NET, FILTER 1 1 1 1 1

.PLATE 1111

.SCREW 1 1 1 1

.HOLDER 1 1 1 1

B

11

35

5NY–14181–00

.BODY, FLOAT CHAMBER 1 1 1 1 1

FIG. 8 EXHAUST

REF. NO.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

PART NO. DESCRIPTION

1C3–14610–00

5MV–14642–00

90506–20018

565–14771–00

95022–06012

1C3–14763–00

90201–06077

95022–06025

5CU–14771–01

90480–16561

90387–063G3

95022–06014

90201–06078

90201–06033

95022–06025

EXHAUST PIPE ASSY 1 1 1 1 1

SEAL, EXHAUST 2 2 2 2

SPRING, TENSION 2 2 2 2

STAY, MUFFLER 1 1 1 1 1

BOLT, FLANGE 1 1 1 1

SPACER 1111

WASHER, PLATE 1 1 1 1

BOLT, FLANGE 1 1 1 1

STAY, MUFFLER 1 1 1 1 1

GROMMET 1 1 1 1

COLLAR 1111

BOLT, FLANGE 1 1 1 1

WASHER, PLATE 1 1 1 1

BOLT, FLANGE 1 1 1 1

1C39

1C3A

1C3B

1C3C

REMARKS

B

12

16

4JY–14615–00

17

5XE–14753–10

1C3–14753–00

18

5NY–1469A–00

1C3–1469A–00

19

92012–06010

20

95022–06030

21

90201–06033

90201–06086

22

90387–063G3

90387–06121

JOINT, EXHAUST 1 1 1 1 1

SILENCER, EXHAUST 1

SILENCER, EXHAUST 1 1 1

.FIBER 1

.FIBER 1 1 1

.BOLT, BUTTON HEAD 2

.BOLT, BUTTON HEAD 4 4 4

BOLT, FLANGE 1 1 1 1

WASHER, PLATE 1

WASHER, PLATE 1 1 1

COLLAR 1

COLLAR 1 1 1