A2

CY50M(3SAB)CANADA

CY50M(4FB9) USA

204FB–100E1

A3

FOREWORD

A4

This Parts Catalogue is related to the parts for the model(s) in the below frame. When you are

orderingreplacementparts,pleaserefertothisParts Catalogueandquotebothpartnumbersand

part names correctly.

CY50M(3SAB/4FB9)

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.

2

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 funding parts numbers, not to be

used for assembling. When assembling, pleas use the applicable service

manual.

8. The asterisk (*) before a reference number indicates modification items

after the first edition.

MODEL LABEL

A5

(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

a: Model Type Code

b: Production Code No.

c: Colouring Type

xxxx – xxx

x

a

b

c

4TW1–010

A

(3) Model Label Affixing Location

(4) Model Code – Production Code Number of Model Listed in This Parts Catalog

Model

Code

Production

Code No.

Country

(destination)

Model

Code

Production

Code No.

Country

(destination)

3SAB

010

CANADA

4FB9

010

U.S.A.

(5) Colouning Information

Model

Code

Colouring type

code

Colour

code

Colour Name

Abbrevi-

ation

3SAB

A

004B

BLACK 2

BL2

4FB9

B

00GE

SILKY WHITE

SW

B2

FIG.

1

CYLINDER

1 3KJ–11111–10

HEAD, CYLINDER 1

1

1

2 3KJ–11181–00

GASKET, CYLINDER HEAD 1

1

1

3 94701–00110

PLUG, SPARK (NGK BR7HS)

1

1

4 3KJ–11311–10

CYLINDER 1

1

1

5 4FB–11351–00

GASKET, CYLINDER

1

1

6 90116–07353

BOLT, STUD

4

4

7 90179–07381

NUT

4

4

PART NO.

DESCRIPTION

REMARKS

REF.

NO.

4FB9

3SAB

B3

FIG.

2

CRANKSHAFT. PISTON

1 3KJ–11400–01

CRANKSHAFT ASSY

1

1

2 3KJ–11412–01

.CRANK 1

1

1

3 1YU–11681–00

.PIN, CRANK 1

1

1

4 93310–416N7

.BEARING

1

1

5 2E9–11651–00

.ROD, CONNECTING

1

1

6 3KJ–11422–01

.CRANK 2

1

1

7 90280–03017

KEY, WOODRUFF

1

1

8 93306–20458

BEARING

2

2

9 93102–20425

OIL SEAL

1

1

10 93101–20138

OIL SEAL

1

1

11 90387–156U0

COLLAR

1

1

12 3CP–11631–00–96

PISTON (STD)

1

1

3CP–11636–00

PISTON (0.50MM O/S)

1

1

AP

13 27V–11633–00

PIN, PISTON

1

1

14 260–11610–02

PISTON RING SET (STD)

1

1

260–11610–22

PISTON RING SET (0.50MM O/S)

1

1

AP

15 93450–11120

CIRCLIP

2

2

16 93310–210M0

BEARING

1

1

PART NO.

DESCRIPTION

REMARKS

REF.

NO.

4FB9

3SAB

B4

FIG.

3

AIR SHROUD. FAN

1 3KJ–12651–11

AIR SHROUD, CYLINDER 1

1

1

2 90480–10468

GROMMET

2

2

3 3KJ–12653–01

AIR SHROUD, CYLINDER 3

1

1

4 90387–067V1

COLLAR

2

2

5 90480–12497

GROMMET

2

2

6 98507–06020

SCREW, PAN HEAD

2

2

7 92907–06600

WASHER, PLATE

2

2

8 97707–60540

SCREW, TAPPING

1

1

9 4FW–12658–00

DAMPER, AIR SHROUD 1

1

1

10 4FW–12659–00

DAMPER, AIR SHROUD 2

1

1

11 3KJ–12611–00

FAN

1

1

12 98507–06014

SCREW, PAN HEAD

3

3

13 92907–06600

WASHER, PLATE

3

3

PART NO.

DESCRIPTION

REMARKS

REF.

NO.

4FB9

3SAB

B5

FIG.

4

OIL PUMP

1 3KJ–13100–01

OIL PUMP ASSY

1

1

2 1YU–13185–00

.BOLT, BREATHER

1

1

3 1YU–13187–00

.GASKET, BREATHER BOLT

1

1

4 1YU–13473–00

.O–RING

1

1

5 3AA–13124–00

.GEAR WORM WHEEL (40T)

1

1

6 1YU–13516–00

.PIN, DOWEL

1

1

7 1YU–13577–00

.CLIP

1

1

8 90445–09304

.HOSE

1

1

9 90467–08003

.CLIP

2

2

10 90445–05431

.HOSE

1

1

11 90468–02033

.CLIP

1

1

12 90468–02033

CLIP

1

1

13 91317–05014

BOLT

1

1

14 2GM–13178–00

GEAR, PUMP DRIVE

1

1

15 93603–12007

PIN, DOWEL

1

1

16 99009–19400

CIRCLIP

2

2

PART NO.

DESCRIPTION

REMARKS

REF.

NO.

4FB9

3SAB

B6

FIG.

5

INTAKE

1 3KJ–13610–00

REED VALVE ASSY

1

1

2 3KJ–13613–00

.REED, VALVE

2

2

3 3KJ–13616–00

.STOPPER, REED VALVE

2

2

4 98507–03008

.SCREW, PAN HEAD

4

4

5 92907–03600

.WASHER

4

4

6 4FB–13621–00

GASKET, VALVE SEAT

1

1

7 3KJ–13555–00

MANIFOLD, INTAKE

1

1

8 91318–06020

BOLT

4

4

9 90450–32081

HOSE CLAMP ASSY

1

1

10 90467–24140

CLIP

1

1

11 3KJ–14411–30

CASE, AIR CLEANER 1

1

1

12 3KJ–14412–30

CAP, CLEANER CASE 1

1

1

13 3KJ–14437–00

DUCT

1

1

14 4CY–14451–00

ELEMENT, AIR CLEANER

1

1

15 3KJ–14452–30

SEAL

1

1

16 4JC–14453–01

JOINT, AIR CLEANER 1

1

1

17 97707–50125

SCREW, TAPPING

3

3

18 98507–06020

SCREW, PAN HEAD

2

2

19 92907–06600

WASHER, PLATE

2

2

20 90387–067V1

COLLAR

2

2

21 90480–12497

GROMMET

2

2

PART NO.

DESCRIPTION

REMARKS

REF.

NO.

4FB9

3SAB

B7

FIG.

6

CARBURETOR

1 3KJ–14301–41

CARBURETOR ASSY 1

1

1

2 4JP–14561–00

.O–RING

1

1

3 1YU–14331–00

.SPRING, THROTTLE VALVE

1

1

4 98580–05016

.SCREW, PAN HEAD

1

1

5 92901–05100

.WASHER, SPRING

1

1

6 3KJ–14312–25

.VALVE, THROTTLE 1

1

1

7 3KJ–1490J–10

.NEEDLE SET

1

1

8 14T–14341–00

.NOZZLE, MAIN

1

1

9 14T–14384–00

.GASKET, FLOAT CHAMBER

1

1

10 14T–14343–38

.JET, MAIN (# 76)

1

1

11 3KJ–14349–01

.PIPE

1

1

12 3KJ–14353–21

.JET, PILOT (# 42)

1

1

13 4JP–14104–00

.AIR SCREW SET

1

1

14 14T–14323–00

.SCREW, AIR ADJUSTING

1

1

15 92580–06016

.SCREW

2

2

16 92901–06100

.WASHER, SPRING

2

2

17 98501–03006

.SCREW, PAN HEAD

1

1

18 4MN–1410A–00

.STARTER SET

1

1

19 1HV–14147–00

.O–RING

1

1

20 3YJ–14103–00

.THROTTLE SCREW SET

1

1

21 2JA–14392–00

.VALVE, NEEDLE

1

1

22 1HV–14385–01

.FLOAT

1

1

23 367–14386–00

.PIN, FLOAT

1

1

24 98580–04016

.SCREW, PAN HEAD

4

4

25 92901–04100

.WASHER, SPRING

4

4

26 3KJ–26329–00

.CAP, RUBBER

1

1

27 288–14161–00

.NUT, CABLE ADJUSTING

1

1

PART NO.

DESCRIPTION

REMARKS

REF.

NO.

4FB9

3SAB

B8

FIG.

7

EXHAUST

1 3KJ–14610–15

EXHAUST PIPE ASSY 1

1

1

2 3HK–14613–00

GASKET, EXHAUST PIPE

1

1

3 90153–06061

SCREW, HEXAGON

2

2

4 95817–08020

BOLT, FLANGE

1

1

5 95817–08030

BOLT, FLANGE

1

1

6 2JA–14718–00

PROTECTOR, MUFFLER 1

1

1

7 3HK–14766–01

WASHER, PROTECTOR

2

2

8 92907–06200

WASHER

2

2

9 98907–06016

SCREW, BIND

2

2

10 90480–12237

GROMMET

2

2

11 90387–060G7

COLLAR

2

2

12 4FB–14766–00

WASHER, PROTECTOR

2

2

PART NO.

DESCRIPTION

REMARKS

REF.

NO.

4FB9

3SAB

B9

FIG.

8

CRANKCASE

1 3KJ–15110–03

CRANKCASE ASSY 1

1

1

2 164–22216–00

.BUSH, REAR SHOCK ABSORBER

1

1

3 93306–00319

.BEARING

1

1

4 3YJ–15371–00

.BREATHER

1

1

5 3KJ–15120–02

CRANKCASE ASSY 2

1

1

6 93306–00319

.BEARING

1

1

7 90446–11347

HOSE

1

1

8 99530–12016

PIN, DOWEL

2

2

9 98507–06035

SCREW, PAN HEAD

6

6

10 3KJ–15317–00

SPACER, ENGINE MOUNT

1

1

11 99009–17400

CIRCLIP

2

2

12 3KJ–15421–00

COVER, CRANKCASE 2

1

1

13 4FB–15461–00

GASKET, CRANKCASE COVER 2

1

1

14 4FB–15451–00

GASKET, CRANKCASE COVER 1

1

1

15 99530–10114

PIN, DOWEL

2

2

16 98507–06035

SCREW, PAN HEAD

2

2

17 98507–06020

SCREW, PAN HEAD

3

3

18 3YJ–15411–01

COVER, CRANKCASE 1

1

1

19 3KJ–15659–00

SHAFT

1

1

20 99530–10114

PIN, DOWEL

2

2

21 98507–06025

SCREW, PAN HEAD

7

7

22 97880–06025

SCREW, PAN HEAD

1

1

23 98507–06035

SCREW, PAN HEAD

2

2

24 98507–06065

SCREW, PAN HEAD

1

1

25 2T4–15363–00

PLUG, OIL

1

1

26 93210–14104

O–RING

1

1

27 95807–08016

BOLT, FLANGE

1

1

PART NO.

DESCRIPTION

REMARKS

REF.

NO.

4FB9

3SAB

B10

FIG.

8

CRANKCASE

28 90430–08119

GASKET

1

1

29 1HV–15128–00

HOLDER

1

1

30 98507–06012

SCREW, PAN HEAD

1

1

31 4FB–15462–00

GASKET, CRANKCASE COVER 3

1

1

32 3YJ–15431–00

COVER, CRANKCASE 3

1

1

33 3KJ–15481–00

BOLT 1

2

2

34 3KJ–15316–00

DAMPER, ENGINE MOUNT 1

1

1

35 3YJ–15326–00

DAMPER, ENGINE MOUNT 2

1

1

36 3KJ–15335–00

DAMPER 3

1

1

37 3KJ–15337–00

DAMPER 4

1

1

PART NO.

DESCRIPTION

REMARKS

REF.

NO.

4FB9

3SAB

B11

FIG.

9

STARTER

1 4JP–15513–00

GEAR 1

1

1

2 93310–257R1

BEARING

1

1

3 3KJ–15528–00

BOSS, GEAR

1

1

4 3KJ–15570–01

STARTER CLUTCH ASSY

1

1

5 4JP–15650–00

IDLE GEAR ASSY

1

1

6 50M–13342–00

SHAFT, IDLE GEAR

1

1

7 90201–08088

WASHER, PLATE

2

2

8 3KJ–15532–00

PLATE, IDLE GEAR

1

1

9 98507–06012

SCREW, PAN HEAD

2

2

10 91318–06020

BOLT

2

2

11 5BM–15601–01

KICK SHAFT ASSY

1

1

12 90508–32609

SPRING, TORSION

1

1

13 90380–15240

BUSH, SOLID

1

1

14 90201–155G5

WASHER, PLATE

1

1

15 99009–15400

CIRCLIP

1

1

16 3KJ–15620–02

KICK CRANK ASSY

1

1

17 90153–06008

SCREW, HEXAGON

1

1

18 3AA–15631–00

GEAR, KICK PINION (10T)

1

1

19 32N–15673–00

CLIP

1

1

20 5BM–81800–01

STARTING MOTOR ASSY

1

1

21 5BM–8182L–00

.O–RING

1

1

22 5BM–81801–01

.BRUSH SET

1

1

23 3KJ–82541–00

WIRE, LEAD

1

1

PART NO.

DESCRIPTION

REMARKS

REF.

NO.

4FB9

3SAB

B12

FIG. 10

CLUTCH

1 3KJ–16111–00

GEAR, PRIMARY DRIVE (13T)

1

1

2 90201–06412

WASHER, PLATE

1

1

3 98507–06010

SCREW, PAN HEAD

1

1

4 99009–17400

CIRCLIP

1

1

5 93306–00308

BEARING (B6003)

1

1

6 93102–17342

OIL SEAL

1

1

7 2VK–16620–01

CLUTCH CARRIER ASSY

1

1

8 24G–16626–00

.SPRING, CLUTCH WEIGHT 1

2

2

9 90179–28415

NUT

1

1

10 24G–16611–03

CLUTCH HOUSING COMP.

1

1

11 90170–10317

NUT

1

1

12 93300–63813

BEARING

1

1

13 93210–06550

O–RING

1

1

14 2EX–17620–02

PRIMARY SLIDING SHEAVE COMP.

1

1

15 52W–17632–01

WEIGHT

6

6

16 3AA–17623–00

CAM

1

1

17 23Y–17653–00

SLIDER

3

3

18 90387–132W6

COLLAR

1

1

19 90201–133M8

WASHER, PLATE

1

1

20 3KJ–17641–00

V–BELT

1

1

21 3KJ–17611–00

SHEAVE, PRIMARY FIXED

1

1

22 90214–13055

WASHER, CLAW

1

1

23 3KJ–15657–00

CLUTCH, ONEWAY

1

1

24 90208–10012

WASHER, CONICAL SPRING

1

1

25 90170–10219

NUT

1

1

26 3AA–17660–03

SECONDARY FIXED SHEAVE COMP.

1

1

27 3AA–17670–01

SECONDARY SLIDING SHEAVE

1

1

PART NO.

DESCRIPTION

REMARKS

REF.

NO.

4FB9

3SAB