Instruction/ maintenance manual of the product YZ125T1 Yamaha
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1D1C3-100E1 2D1C3-100E1 () YZ125T1 (1C31) CANADA,U.S.A.,S OUTH AFRICA YZ125 (1C32) EUROPE YZ125 (1C33) JAPAN YZ125T1 (1C34) OCEANIA.
A 3 YZ125T1/YZ125 PA R T S C ATA L O G U E ©2004 by Y amaha Motor Co . , Ltd. 1st edition, J une 2004 All rights reserved. Any reprinting or unauthorized use without the written permission of Y amaha Motor Co ., Ltd. is e xpressly prohibited. Printed in J apan.
A 4.
A 5 FOREWORD This Parts Catalogue is related to the parts for the model (s) on the cover page. When you are ordering replacement parts, ple ase refer to th is Parts Catalogue and quo te both part numbers and part names correctly.
A 6 FOREWORD 7. Applicable Serial No. Engine Serial No. Frame Serial No. 8. Applicable Colour Code (The (*) mark show s Model colour.) Abbre viation Colour Name Colour Code DPBSE(*) DEEP PURPLISH BLUE.
A 7 MODEL LABEL (1) A label called “Model La bel” is affixed in the location as indicated in (3) belo w. When using this parts catalogue, please be sure to cross–reference the “model co de – production code No.” in the catalogue wi th the “model code – production code No.
CONTENTS ENGINE CYLINDER HEAD ............ ................. .............. ................. ..... B2 GOVERNOR ............ .............. .............. ................ .............. ... B4 CRANKSHAFT & PISTON ................ ................
B 2 FIG. 1 CYLINDER HEAD REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–1111 1–00 HEAD , CYLINDER 1 1 1 1 1 2 90116–08 394 BOL T , STUD 5 5 5 5 3 90176–08 026 NUT , CROWN .
B 3 FIG. 1 CYLINDER HEAD REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 27 90508–16 134 SPRING, T ORSION 2 2 2 2 28 90387–08 785 C O L L A R 2222 29 1C3–1199 2–00 HOUSING 2 1 1 .
B 4 FIG. 2 GOVERNOR REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 4JY–11915– 01 PLA TE, THR UST 1 1 1 1 1 2 98507–05 012 SCREW , P AN HEAD 1 1 1 1 3 1C3–1199 0–00 PUSH ROD .
B 5 FIG. 3 CRANKSHAFT & PISTON REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–1140 0–00 CRANKSHAFT ASSY 1 1 1 1 2 1C3–1141 0–00 .CRANKSHAFT 1 1 1 1 3 1C3–1142 0–00 .CRANKSHAFT 1 1 1 1 4 1C3–1165 1–00 .ROD , CONNECTING 1 1 1 1 5 3JD–11681– 10 .
B 6 FIG. 4 WATER PUMP REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–1245 0–00 IMPELLER SHAFT ASSY 1 1 1 1 2 1C3–1245 3–01 G E A R 1111 3 93603–12 007 PIN, DOWEL 1 1 1 1.
B 7 FIG. 5 RADIATOR & HOSE REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–1240 A–00 RADIA TOR ASSY 1 1 1 1 2 1C3–1246 5–00 D AMPER, RADIA TOR 1 1 1 1 3 91A20–05 065 .
B 8 FIG. 6 INTAKE REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–1361 0–00 REED V AL VE ASSY 1 1 1 1 2 5UN–13613– 00 .REED , V AL VE 2 2 2 2 3 5MV–13616–00 .ST OPPER, REED V AL VE 2 2 2 2 4 98507–03 006 .SCREW , P AN HEAD 6 6 6 6 5 92907–03 100 .
B 9 FIG. 7 CARBURETOR REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–1410 1–00 CARBURET OR ASSY 1 1 1 1C3–1410 1–10 CARBURET OR ASSY 1 1 1C3–1410 1–20 CARBURET OR ASSY 1 1 2 5HD–14261– 00 .HOLDER 1 1 1 1 3 4PE–14 194–00 .
B 10 FIG. 7 CARBURETOR REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 20 284–14116– E7 .NEEDLE (6CHY5-82) 1 1 1 1 AP 284–1411 6–F3 .NEEDLE (6CHY6-78) 1 1 1 1 AP 284–1411 6–F4 .NEEDLE (6CHY6-79) 1 1 1 1 AP 284–1411 6–F5 .
B 11 FIG. 7 CARBURETOR REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 22 137–1414 3–88 .JET , MAIN (#440) 1 1 1 1 AP 137–1414 3–90 .JET , MAIN (#450) 1 1 1 1 AP 23 1C3–1411 2–40 .V AL VE, THROTTLE 1 (4.0) 1 1 1 1 STD 1C3–1411 2–42 .
B 12 FIG. 8 EXHAUST REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–1461 0–00 EXHAUST PIPE ASSY 1 1 1 1 1 2 5MV–14642–00 SEAL, EXHA UST 2 2 2 2 3 90506–20 012 SPRING, TEN.
B 13 FIG. 9 CRANKCASE REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–1511 1–00 CRANKCASE 1 1 1 1 1 2 1C3–1512 1–00 CRANKCASE 2 1 1 1 1 3 353–1311 5–01 CONNECT OR, SUCT.
B 14 FIG. 10 CRANKCASE COVER 1 REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–1541 1–00 CO VER, CRANKCASE 1 1 1 1 1 2 1C3–1545 1–00 GASKET , CRANKCASE CO VER 1 1 1 1 1 3 9.
B 15 FIG. 11 STARTER REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–1565 1–00 GEAR, KICK IDLE 1 1 1 1 2 90201–17 5F6 W ASHER, PLA TE 1 1 1 1 3 99009–17 400 CIRCLIP 1 1 1 1.
C 2 FIG. 12 CLUTCH REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–1611 1–00 GEAR, PRIMAR Y DRIVE 1 1 1 1 2 90387–172K2 C O L L A R 1111 3 90105–08 071 BOL T , FLANGE 1 1 1 1 4 1C3–1615 0–00 PRIMAR Y DRIVEN GEAR COMP .
C 3 FIG. 13 TRANSMISSION REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 93306–00 442 BEARING 1 1 1 1 2 4JT–15381– 01 PLA TE, BEARING CO VER 1 1 1 1 3 90149–06 326 SCREW 1 1 1 .
C 4 FIG. 13 TRANSMISSION REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 28 93102–28 012 OIL SEAL 1 1 1 1 29 90387–22 004 C O L L A R 1111 30 9383B–13218 SPROCKET , DRIVE (13T) 1 1.
C 5 FIG. 14 SHIFT CAM & FORK REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–1854 1–00 CAM, SHIFT 1 1 1 1 2 93306–90 408 BEARING 1 1 1 1 3 90105–06 553 BOL T , FLANGE 2.
C 6 FIG. 15 SHIFT SHAFT REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–1818 5–00 SEGMENT 1 1 1 1 2 1C3–1810 1–00 SHIFT SHAFT ASSY 1 1 1 1 3 5LP–1812 2–01 LEVER, SHIFT .
C 7 FIG. 16 F RAME REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–2110 1–00 FRONT FRAME COMP . 1 1 1 1 2 1C3–2119 0–00 REAR FRAME COMP .
C 8 FIG. 16 F RAME REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 28 5ET–2816 6–00 WRENCH, HEXA GON 1 1 1 1.
C 9 FIG. 17 FENDER REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 5HD–21511– 00 FENDER, FRONT 1 1 1 1 2 90387–06 090 C O L L A R 4444 3 90119–06 096 BOL T , WITH W ASHER 4 4 4 4 4 4ES–21 53E–01 EMBLEM, Y AMAHA 1 1 1 1 5 5XE–21 610–00 REAR FENDER COMP .
C 10 FIG. 18 SIDE COVER REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 5NY–2171 1–00 CO VER, SIDE 1 1 1 1 1 2 95827–06 016 BOL T , FLANGE 1 1 1 1 3 90119–08 238 BOL T , WITH W.
C 11 FIG. 19 REAR ARM REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–2211 0–00 REAR ARM COMP . 1 1 1 1 2 90151–04 001 SCREW , COUNTERSUNK 4 4 4 4 3 1C3–2235 5–00 PAT C H.
C 12 FIG. 19 REAR ARM REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 28 93109–21 001 OIL SEAL 2 2 2 2 29 90387–14 005 C O L L A R 1111 30 1C3–2212 1–00 SHAFT 1 1 1 1 1 31 1C3–.
C 13 FIG. 20 REAR SUSPENSION REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–2221 0–00 SHOCK ABSORBER ASSY , REAR 1 UR USA 1C3–2221 0–30 SHOCK ABSORBER ASS Y , REAR 1 UR FO.
C 14 FIG. 20 REAR SUSPENSION REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 20 92907–10 200 W ASHER, PLAIN 1 1 1 1 21 5NY–2224 1–00 BOL T 1 1 1 1 1 22 90185–10 060 NUT , SELF-LO.
C 15 FIG. 21 STEERING REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 93332–00 068 BEARING 1 1 1 1 2 4EW–23416–0 0 CO VER, BALL RA CE 2 1 1 1 1 3 90179–28 003 N U T 1111 4 9020.
D 2 FIG. 22 FRONT FO RK REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–2310 2–00 FRONT FORK ASSY (L.H) 1 1 1C3–2310 2–10 FRONT FORK ASSY (L.H) 1 1 2 1C3–2313 6–L0 .TUBE, OUTER 1 1 1 1 3 1C3–2312 0–L0 .INNER TUBE COMP .
D 3 FIG. 22 FRONT FO RK REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 24 1C3–2310 3–00 FRONT FORK ASSY (R.H) 1 1 1C3–2310 3–10 FRONT FORK ASSY (R.H) 1 1 25 1C3–2313 6–L0 .TUBE, OUTER 1 1 1 1 26 1C3–2311 0–L0 .INNER TUBE COMP .
D 4 FIG. 22 FRONT FO RK REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 47 1C3–2334 0–L0 UNDER BRACKET COMP . 1 1 1 1 48 5NY–2334 6–L0 BOL T 1 8 8 8 8 49 93332–00 081 BEARING 1.
D 5 FIG. 23 FUEL TANK REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–2411 0–00 FUEL T ANK COMP . 1 1 1 1 2 5NY–2461 0–00 CAP ASSY 1 1 1 1 3 90445–09 220 HOSE (L30) 1 1 1.
D 6 FIG. 23 FUEL TANK REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 28 1C3–2418 4–00 D AMPER, LOCA TING 4 1 1 1 1.
D 7 FIG. 24 SEAT REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 5XE–24 770–00 SEMI-DOUBLE SEA T ASSY 1 1 1 1 2 5XE–24 70F–00 .SEA T COVER COMP . 1 1 1 1 3 5NY–2472 8–00 .BRACKET , SEA T 2 2 2 2 4 97307–06 012 .BOL T 4 4 4 4 5 92907–06 100 .
D 8 FIG. 25 FRONT WHEEL REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 5NY–2511 1–00 HUB, FRONT 1 1 1 1 2 93306–90 403 BEARING 2 2 2 2 3 5NY–2511 7–00 SP ACER, BEARING 1 1 1 1 4 93102–26 468 OIL SEAL 2 2 2 2 5 94416–21 003 RIM (1.
D 9 FIG. 26 FRONT BRAKE CALIPER REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–2346 6–00 CLAMP 1 1 1 1 2 1C3–2346 7–00 CLAMP 1 1 1 1 3 95707–06 500 N U T , F L A N G E 2222 4 5MV–2581T–00 DISK BRAKE ASSY 1 1 1 1 5 90149–06 327 SCREW 6 6 6 6 6 1C3–2580 T–00 CALIPER ASSY (L EFT) 1 1 1 1 7 5UN–W005 7–00 .
D 10 FIG. 27 REAR WHEEL REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 5ET–2531 1–00 HUB, REAR 1 1 1 1 2 5ET–2531 7–00 SP ACER, BEARING 1 1 1 1 3 93306–27 205 BEARING 1 1 1 .
D 11 FIG. 27 REAR WHEEL REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 19 90480–08 608 GROMMET 1 1 1 1 20 5UN–25383– 00 COLLAR, WHEEL 2 2 2 2 21 5ET–2536 7–00 CO VER, HUB DUST.
D 12 FIG. 28 REAR BRAKE CALIPER REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 5NY–2582 W–00 DISK, REAR BRAKE 2 1 1 1 1 2 90109–065G4 B O L T 6666 3 1C3–2580 W–00 CALIPER ASSY , REAR 2 1 1 1 1 4 5UN–W005 7–50 .PIST ON ASSY , CALIPER 1 1 1 1 5 5UN–W004 7–50 .
D 13 FIG. 29 STEERING HANDLE & CABLE REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–2611 1–00 HANDLEBAR 1 1 1 1 2 4GY–26241–00 G R I P 1111 3 4XM–26240–00 GRIP ASSY 1 1 1 1 4 4GY–26242–00 .GRIP (RIGHT ) 1 1 1 1 5 4XM–26243–00 .
D 14 FIG. 30 FRONT MASTER CYLINDER REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–2587 2–00 HOSE, BRAKE 1 1 1 1 1 2 90201–10 118 W ASHER, PLA TE 4 4 4 4 3 90401–10 172 B O L T , U N I O N 2222 4 5XE–W258 7–00 MASTER CYLINDER SUB ASSY 1 1 1 1 5 5NY–W004 1–00 .
D 15 FIG. 31 STAND & FOOTREST REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–2720 0–00 PED AL, BRAKE 1 1 1 1 2 1C3–2721 7–00 B O L T 1111 3 93210–11 073 O-RING 2 2 2.
E 2 FIG. 32 REAR MASTER CYLINDER REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–2583 V–00 RR. MASTER CYLINDER ASSY . 1 1 1 1 2 5UN–W004 2–50 .CYLINDER KIT , MASTER 1 1 1 1 3 5UN–27218– 00 . N U T 1111 4 5UN–27222– 00 .
E 3 FIG. 33 GENERATOR REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–8556 0–00 BASE ASSY 1 1 1 1 2 1C3–8555 0–00 RO T OR ASSY 1 1 1 1 3 90149–06 011 SCREW 3 3 3 3 4 9017.
E 4 FIG. 34 HANDLE SWITCH & LEVER REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–2612 4–00 PRO T ECT OR, HANDLEBAR 1 1 1 1 2 5XE–82 911–00 HOLDER, LEVER 1 1 1 1 1 3 5T.
E 5 FIG. 35 ELECTRICAL 1 REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–8554 0–00 C . D . I . U N I T A S S Y 1111 2 1C3–8232 0–00 IGNITION COIL ASSY 1 1 1 1 3 90105–06 .
E 6 FIG. 36 ALTERNATE FOR CHASSIS REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 5UN–22212– 00 SPRING (K=42N/MM) 1 1 1 1 AP 5UN–22212– 10 SPRING (K=44N/MM) 1 1 1 1 AP 5UN–22.
E 7 FIG. 37 OPTI ONAL PARTS 1 REF . NO . P ART NO . DESCRIPTION 1C31 1C32 1C33 1C34 REMARKS 1 1C3–1163 0–00 PIST ON ASSY (STD) 1 1 1 1 2 1C3–1163 1–00–B0 .PISTON (STD) 1 1 1 1 ORANGE 3 5NY–1161 1–00 .RING, PISTON 1 1 1 1 4 1C3–1163 3–00 .
M 1 NUMERICAL INDEX PA R T N O . GRID NO . 1C3–11111–00 B– 2 4JY–11166–00 B– 2 1C3–11311–00 B– 2 1C3–1131D–00 B– 2 4SS–1131M–01 B– 2 5HD–1131V–00 B– 2 1C3–1132D.
M 2 NUMERICAL INDEX PA R T N O . GRID NO . 1C3–23141–40 E– 6 1C3–23141–50 E– 6 1C3–23141–60 E– 6 1C3–23141–70 E– 6 1C3–23141–80 E– 6 1C3–23141–L0 D– 2 1C3–23141.
M 3 NUMERICAL INDEX PA R T N O . GRID NO . 90387–08027 C– 7 90387–08032 B– 6 90387–085E1 B– 4 90387–086N4 C– 7 90387–08785 B– 3 90387–107T9 B– 4 90387–14005 C– 1 2 90387–.
An important point after buying a device Yamaha YZ125T1 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Yamaha YZ125T1 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Yamaha YZ125T1 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Yamaha YZ125T1 you will learn all the available features of the product, as well as information on its operation. The information that you get Yamaha YZ125T1 will certainly help you make a decision on the purchase.
If you already are a holder of Yamaha YZ125T1, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Yamaha YZ125T1.
However, one of the most important roles played by the user manual is to help in solving problems with Yamaha YZ125T1. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Yamaha YZ125T1 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
