YAMAHA BR250TH PARTS CATALOGUE 03

BR250TH

(8BDA)

A2

CANADA,JAPAN

2B8BD−100E1

BR250TH

PARTS CATALOGUE

2002 by Yamaha Motor Co., Ltd.

1st Edition, May 2002

All rights reserved.

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) 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.

BR250TH(8BDA)

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

5. Applicable colors of graphics are represented in the “REMARKS” as shown below.

PART NO. DESCRIPTION Q’TY REMARKS

2F5−83310−60 FRONT FLASHER LIGHT ASSY 2

115−83311− 60 .BULB (6V−18W) 1

6. Applicable Starting Serial No. and Color Code

Starting Serial NO.:

Frame Serial No.

Color
Code

0337 8BDA DARK CYAN METALLIC 2 DCM2 CAN, JPN

7. Note that the illustration 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 Color Name

JYE8BD0053A031998

Abbrevi-

ation

Country

(destination)

A5

FIG. 1 CYLINDER

REF.
NO.

PART NO. DESCRIPTION REMARKS

1 94702−00195 PLUG, SPARK (NGK BR8HS) 1

94709−00195 PLUG, SPARK (NGK BR8HS) 1

2 8R4−11311 −02 CYLINDER 111

3 8R4−11351−04 GASKET, CYLINDER 11

4 95827−08035 BOLT, FLANGE 4 4

CAN

JPN

B2

FIG. 2 CRANKSHAFT. PISTON

REF.
NO.

10 90209−24183 .WASHER 2 2

11 93310−424E8 .BEARING 11

PART NO. DESCRIPTION REMARKS

1 8R4−11631−00−96 PISTON (STD) 11

8R4−11635−00 PISTON (0.25MM O/S) 11 AP

8R4−11636−00 PISTON (0.50MM O/S) 11 AP

2 8R4−11610−00 PISTON RING SET (STD) 11

8R4−11610−10 PISTON RING SET (0.25MM O/S) 11 AP

8R4−11610−20 PISTON RING SET (0.50MM O/S) 11 AP

3818−11633−00 PIN, PISTON 11

4 93450−20026 CIRCLIP 2 2

5 93310−218A6 BEARING 11

6 8R4−11400−00 CRANKSHAFT ASSY 11

7 8R4−11412−00 .CRANK 111

8 8R4−11422−00 .CRANK 2 11

9 8F3−11681−00 .PIN, CRANK 111

CAN

JPN

B3

12 8R4−11651−00 .ROD, CONNECTING 11

13 93306−30623 BEARING 11

1493102−30326 OIL SEAL 11

15 8R4−13178−00 GEAR, PUMP DRIVE 11

16 93306−30555 BEARING 11

1793102−25183 OIL SEAL 11

18 90280−05013 KEY, WOODRUFF 11

1990170−16425 NUT 11

20 92907−16100 WASHER 11

FIG. 3 AIR SHROUD. FAN

REF.
NO.

10 8G8−12611 −01 FAN 11

11 90105−06556 BOLT, FLANGE 6 6

12 90387−066K1 COLLAR 11

13 90465−10313 CLAMP 11

PART NO. DESCRIPTION REMARKS

1 8R4−12651−03 AIR SHROUD, CYLINDER 111

2 8R4−12652−02 AIR SHROUD, CYLINDER 2 11

3 98507−05020 SCREW 3 3

4 92907−05600 WASHER, PLATE 3 3

5 98507−05030 SCREW 11

6 92907−05100 WASHER, SPRING 11

7 92907−05600 WASHER, PLATE 11

8 95707−05300 NUT, FLANGE 4 4

990119−06108 BOLT, WITH WASHER 2 2

CAN

JPN

B4

FIG. 4 OIL PUMP

REF.
NO.

10 137−13138−01 .PLATE, ADJUSTING 11

11 1 37−13137−00−03 .SHIM (T=0.3) 11 UR UN

12 92907−05100 .WASHER, SPRING 11

13 95307−05600 .NUT 11

PART NO. DESCRIPTION REMARKS

1 81E−13101−01 OIL PUMP ASSY 11

2 90338−21075 .PLUG 11

3 93505−32002 .BALL 11

4 90501−02217 .SPRING, COMPRESSION 11

5 90446−08201 .HOSE 11

6 353−13552−01 .NOZZLE 11

7 90468−02025 .CLIP 11

8 90430−04004 .GASKET 11

9 98907−04008 .SCREW, BIND 11

137−13137−00−05 .SHIM (T=0.5) 11 UR UN

137−13137−00−10 .SHIM (T=1.0) 11 UR UN

CAN

JPN

B5

14 8A5−13146−01 COVER,ADJUST PULLEY 11

15 98507−04018 SCREW 3 3

1681E−26320−00 PUMP CABLE ASSY 11

17 8Y0−1311 6−01 GASKET, PUMP CASE 11

18 98507−05016 SCREW 2 2

19 92907−05100 WASHER, SPRING 2 2

20 90468−02025 CLIP 11

FIG. 5 PUMP DRIVE GEAR

REF.
NO.

10 90206−11016 WASHER, WAVE 11

11 90201−08624 WASHER, PLATE 11

12 99009−10400 CIRCLIP 11

13 93603−22028 PIN, DOWEL 11

1493104−29072 OIL SEAL 11

15 98507−06020 SCREW 2 2

PART NO. DESCRIPTION REMARKS

1 8R4−15416−00 COVER, OIL PUMP 11

2 8R4−15426−00 COVER, OIL PUMP 2 11

3 90387−082N1 .COLLAR 2 2

4 90387−062N2 .COLLAR 2 2

593101−10001 OIL SEAL 11

6821−13176−00 METAL, WORM SHAFT OUTER 11

7 8R4−13175−00 SHAFT, WORM 11

8 8R4−13188−00 GEAR, DRIVE 11

9 137−13148−00 PLATE, CAM THRUST 11

CAN

JPN

B6

16 92907−06100 WASHER, SPRING 2 2

17 92907−06600 WASHER, PLATE 2 2

1891808−22019 PIN, DOWEL 2 2

19 95827−06030 BOLT, FLANGE 2 2

20 95827−06025 BOLT, FLANGE 2 2

FIG. 6 INTAKE

REF.
NO.

10 90467−11009 CLIP 11

11 90467−11032 CLIP 11

12 8R4−14431−00 SILENCER, INTAKE 111

13 8R4−14441−01 SILENCER, INTAKE 2 11

14 98507−05025 SCREW 11

15 92907−05600 WASHER, PLATE 11

PART NO. DESCRIPTION REMARKS

1 8R4−13555−00 MANIFOLD, INTAKE 11

2 90460−64066 CLAMP, HOSE 11

3 90460−51059 CLAMP, HOSE 11

4 8R4−14453−00 JOINT, AIR CLEANER 111

5 90506−06261 SPRING, TENSION 11

6 90506−06262 SPRING, TENSION 11

7 90445−115K4 HOSE (L450) 11

8 90467−11032 CLIP 2 2

9 90445−116G8 HOSE (L135) 11

CAN

JPN

B7

16 95707−05300 NUT, FLANGE 11

17 97707−60510 SCREW, TAPPING 11

1890119−05071 BOLT, WITH WASHER 4 4

19 8J5−26352−00 BOOT 11

20 8A5−24410−02 FUEL PUMP ASSY 11

21 95707−06500 NUT, FLANGE 2 2

22 90201−06727 WASHER, PLATE 2 2

23 8X8−24360−01 PRIMER PUMP ASSY 1

24 90445−083K9 HOSE (L280) 1

25 90445−084K0 HOSE (L360) 1

26 90467−07055 CLIP 2

27 90468−02025 CLIP 2

FIG. 6 INTAKE

REF.
NO.

28 815−24379−00 PIPE, JOINT 4 1

29 90445−114J7 HOSE 1

30 90467−11009 CLIP 2

31 90467−11032 CLIP 11

32 90464−16039 CLAMP 1

33 90465−08333 CLAMP 11

PART NO. DESCRIPTION REMARKS

CAN

JPN

B8

FIG. 7 CARBURETOR

REF.
NO.

10 8E7−14546−00 .VALVE, NEEDLE 11

11 663−1 4159−00 .CLIP 11

12 676−14548−00 .PIN, FLOAT ARM 11

13 8G6−14984−00 .GASKET, FLOAT CHAMBER 11

14 8G6−14521−00 .SCREW, ADJUST 11

PART NO. DESCRIPTION REMARKS

1 80J−14101−01 CARBURETOR ASSY 11

80F−14101−01 CARBURETOR ASSY 11

2 80F−14131−00 .SPRING, THROTTLE VALVE 11

3 80F−14121−00 .SCREW, THROTTLE STOP 11

4371−14993−60 .PLUNGER, STARTER 11

5 90501−08443 .SPRING, COMPRESSION 11

6 8A6−14969−00 .CAP 11

7 8E7−14161−00 .NUT, CABLE ADJUSTING 11

8 8A6−14977−00 .SHAFT, STARTER LEVER 11

9 8G6−14985−01 .FLOAT 11

CAN

JPN

B9

15 90501−08214 .SPRING, COMPRESSION 11

16 98502−04040 .SCREW, PAN HEAD 4 4

17 92902−04100 .WASHER, SPRING 4 4

18 8R4−14994−00 .PIPE 2 2

19 8M7−14992−00 .ROD 11

20 93210−19309 .O−RING 11

21 98602−04008 .SCREW, OVAL HEAD 11

22 80F−14146−00 .PLATE 11

23 80F−14133−00 .SPRING, THROTTLE STOP 11

24 87S−8259A−00 .SWITCH, CARBURETOR 11

25 80F−14137−00 .CLIP 11

26 8G6−14948−18 .JET (#78) 11

FIG. 7 CARBURETOR

REF.
NO.

27 8A6−14516−05 .JET, MAIN (#105) 11 STD

PART NO. DESCRIPTION REMARKS

8A6−14515−98 .JET, MAIN (#98) 11 AP

8A6−14516−00 .JET, MAIN (#100) 11 AP

8A6−14516−02 .JET, MAIN (#102) 11 AP

CAN

JPN

B10

FIG. 8 EXHAUST

REF.
NO.

PART NO. DESCRIPTION REMARKS

1 8R4−14613−01 GASKET, EXHAUST PIPE 11

2 8R4−14612−00 NUT, RING 11

3 95827−08020 BOLT, FLANGE 2 2

4 888−14633−00 RING 11

5 80F−14610−00 EXHAUST PIPE ASSY 111

6 90506−20074 SPRING, TENSION 2 2

7 90506−16494 SPRING, TENSION 2 2

CAN

JPN

B11

FIG. 9 CRANKCASE

REF.
NO.

PART NO. DESCRIPTION REMARKS

1 8R4−15100−01 CRANKCASE ASSY 11

2 J38−1111 6−00 JOINT, BREATHER 11

3 95827−08080 BOLT, FLANGE 4 4

4 95827−08030 BOLT, FLANGE 4 4

5 90461−06080 CLAMP 11

CAN

JPN

B12

FIG. 10 STARTER

REF.
NO.

10 92901−06100 .WASHER, SPRING 11

11 95301−06700 .NUT 11

12 8F3−15758−00 .GUIDE, ROPE 11

13 8F3−15751−00 .WIRE, STARTER 11

14 8G5−15716−00 .COLLAR 11

15 8G5−15739−00 .WASHER, THRUST 11

PART NO. DESCRIPTION REMARKS

1 8R4−15710−01 STARTER ASSY 11

2 8R4−15711 − 00 .CASE, STARTER 11

3 8F3−15714−01 .DRUM, SHEAVE 11

4 8F3−15741−01 .PAWL, DRIVE 11

5 8F3−15713−01 .SPRING, STARTER 11

6 8F3−15715−00 .SPRING, FRICTION 11

7 8F3−15739−01 .WASHER, THRUST 11

8 8F3−15734−00 .SPRING, RETURN 11

9 8F3−15716−03 .PLATE, DRIVE 11

CAN

JPN

B13

16 8R4−15755−00 .HANDLE, STARTER 11

17 8R4−15788−01 .HOLDER, HANDLE 11

18 95807−08016 BOLT, FLANGE 3 3

19 97007−06025 BOLT 4 4

20 92907−06100 WASHER, SPRING 4 4

21 92907−06600 WASHER, PLATE 4 4

22 95307−06600 NUT 3 3

23 90176−06038 NUT, CROWN 11

24 8R4−77118−00 STOPPER, SHROUD 11

25 81L−15723−00 PULLEY, STARTER 11

26 95807−08012 BOLT, FLANGE 3 3

FIG. 11 PRIMARY SHEAVE

REF.
NO.

10 90201−050P9 WASHER, PLATE 6 6

11 97027−05035 BOLT 3 3

12 95617−05100 NUT, U 3 3

13 97017−06030 BOLT 6 6

14 92907−06600 WASHER, PLATE 6 6

15 8V0−17647−00 BOLT (L=156.5MM) 11

PART NO. DESCRIPTION REMARKS

1 84J−17611 −00 SHEAVE, PRIMARY FIXED 11

2 8V0−17621−01 SHEAVE, PRIMARY SLIDING 11

3 8V0−17631−00 CAP 11

4 8V0−17640−02 SPIDER COMPLETE 11

5 8V0−17639−00 STOPPER 2 2

6 88X−17653−00 SLIDER 3 3

7 90387−057W5 COLLAR 3 3

8 90387−087W7 COLLAR 3 3

9 90202−08205 WASHER, PLATE 6 6

CAN

JPN

B14

16 90389−28032 BUSH 11

17 93607−44190 PIN, DOWEL 3 3

18 90201−077F5 WASHER, PLATE 6 6

19 92907−16100 WASHER 11

20 90389−40029 BUSH 11

21 8V8−W176A−00 WEIGHT, WITH BUSH 3 3

22 90386−07152 .BUSH 11

23 90501−554E8 SPRING, COMPRESSION 11

24 89X−17641−00 V−BELT 11

FIG. 12 SECONDARY SHEAVE

REF.
NO.

1090185−12061 NUT, SELF−LOCKING 11

11 90282−05047 KEY, STRAIGHT 11

12 93306−20582 BEARING (62052RSC3) 11

13 8R4−47631−00 HOUSING, BEARING 11

14 97027−08016 BOLT 3 3

15 92907−08600 WASHER, PLATE 3 3

PART NO. DESCRIPTION REMARKS

1 8R4−17660−00 SECONDARY FIXED SHEAVE COMP. 11

2 8R4−17670−01 SECONDARY SLIDING SHEAVE 11

3 8R4−17688−00 .SHOE, RAMP 3 3

4 8R4−17681−01 SHAFT, SECONDARY 11

5 8R4−17684−00 SEAT, SECONDARY SPRING 11

6 93440−25100 CIRCLIP 11

7 90508−40080 SPRING, TORSION 11

8 90387−260W3 COLLAR 11

9 90201−122H1 WASHER, PLATE 11

CAN

JPN

B15

FIG. 13 ENGINE BRACKET

REF.
NO.

1090179−10279 NUT 11

11 86A−21419−00 BRACKET, ENGINE 2 11 AP

12 8F3−21486−00 DAMPER 2 11 AP

13 95807−10020 BOLT, FLANGE 11 AP

14 95707−10500 NUT, FLANGE 2 2 AP

PART NO. DESCRIPTION REMARKS

1 8R4−21411−00 BRACKET, ENGINE 111

2 8R4−21485−00 DAMPER, RUBBER 111

3 95807−10014 BOLT, FLANGE 11

4 90201−10321 WASHER, PLATE 2 2

5 8V7−21486−00 DAMPER 2 11

6 8R4−21488−01 DAMPER 11

7 95707−08500 NUT, FLANGE 11

8 92907−08200 WASHER 11

9 8F3−21486−00 DAMPER 2 11

CAN

JPN

C2