YZ125T1 (1C31) YZ125 (1C32) YZ125 (1C33) YZ125T1 (1C34) CANADA,U.S.A.
YZ125T1/YZ125 PARTS CATALOGUE ©2004 by Yamaha Motor Co., Ltd. 1st edition, June 2004 All rights reserved. Any reprinting or unauthorized use without the written permission of Yamaha Motor Co., Ltd. is expressly prohibited. Printed in Japan.
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.
FOREWORD 7. Applicable Serial No. Engine Serial No. Frame Serial No. 8. Applicable Colour Code (The (*) mark shows Model colour.
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. (5) Model Code – Production Code Number of Model Listed in This Parts Catalogue Model Code U.S.A.
CONTENTS ENGINE CYLINDER HEAD ................................................................. B2 GOVERNOR ......................................................................... B4 CRANKSHAFT & PISTON .................................................... B5 WATER PUMP ...................................................................... B6 RADIATOR & HOSE ............................................................. B7 INTAKE ..............................................................................
FIG. B2 1C31 1C32 1C33 1C34 REF. NO.
FIG. B3 1C31 1C32 1C33 1C34 REF. NO. 1 CYLINDER HEAD 27 90508–16134 SPRING, TORSION 2 2 2 2 28 90387–08785 COLLAR 2 2 2 2 29 1C3–11992–00 HOUSING 2 1 1 1 1 30 1C3–11993–00 GASKET 1 1 1 1 31 97007–05016 BOLT 3 3 3 3 32 92907–05600 WASHER, PLATE 3 3 3 3 33 1C3–11995–00 SEAL, HOUSING 1 1 1 1 PART NO.
FIG. B4 1C31 1C32 1C33 1C34 REF. NO.
FIG. 1C31 1C32 1C33 1C34 REF. NO. 3 CRANKSHAFT & PISTON 1 1C3–11400–00 CRANKSHAFT ASSY 1 1 1 1 2 1C3–11410–00 .CRANKSHAFT 1 1 1 1 3 1C3–11420–00 .CRANKSHAFT 1 1 1 1 4 1C3–11651–00 .ROD, CONNECTING 1 1 1 1 5 3JD–11681–10 .PIN, CRANK 1 1 1 1 1 6 90209–22326 .WASHER 2 2 2 2 7 93310–52238 .
FIG. 1C31 1C32 1C33 1C34 REF. NO.
FIG. B7 1C31 1C32 1C33 1C34 REF. NO.
B8 1C34 PART NO. 1C33 REF. NO. 1C32 6 INTAKE 1C31 FIG. 1 1C3–13610–00 REED VALVE ASSY 1 1 1 1 2 5UN–13613–00 .REED, VALVE 2 2 2 2 3 5MV–13616–00 .STOPPER, REED VALVE 2 2 2 2 4 98507–03006 .SCREW, PAN HEAD 6 6 6 6 5 92907–03100 .
B9 CARBURETOR ASSY 1 1 1C3–14101–10 CARBURETOR ASSY 1 1C3–14101–20 CARBURETOR ASSY 1 1C34 1 1C3–14101–00 PART NO. 1C33 DESCRIPTION 1C31 REF. NO. 7 CARBURETOR 1C32 FIG. REMARKS 1 1 1 2 5HD–14261–00 .HOLDER 1 1 1 1 3 4PE–14194–00 .RING 1 1 1 1 4 3MA–14159–00 .CLIP 1 1 1 1 5 3JE–14171–00 .PLUNGER, STARTER 1 1 1 1 6 5UN–14104–00 .AIR SCREW SET 1 1 1 1 7 1FN–14565–00 .SCREW 1 1 1 1 8 5ET–14261–01 .HOLDER 1 1 1 1 9 98507–04008 .
FIG. B10 1C31 1C32 1C33 1C34 REF. NO. 7 CARBURETOR 20 284–14116–E7 .NEEDLE (6CHY5-82) 1 1 1 1 AP 284–14116–F3 .NEEDLE (6CHY6-78) 1 1 1 1 AP 284–14116–F4 .NEEDLE (6CHY6-79) 1 1 1 1 AP 284–14116–F5 .NEEDLE (6CHY6-80) 1 1 1 AP 284–14116–F6 .NEEDLE (6CHY6-81) 1 1 1 1 AP 284–14116–F7 .NEEDLE (6CHY6-82) 1 1 1 1 AP 284–14116–G3 .NEEDLE (6CHY18-78) 1 1 1 1 AP 284–14116–G4 .NEEDLE (6CHY18-79) 1 1 1 1 AP 284–14116–G5 .
FIG. 1C31 1C32 1C33 1C34 REF. NO. 7 CARBURETOR 22 137–14143–88 .JET, MAIN (#440) 1 1 1 1 AP 137–14143–90 .JET, MAIN (#450) 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 24 5ET–1416A–00 .O-RING 1 1 1 1 25 5ET–14147–00 .O-RING 1 1 1 1 26 51R–14146–00 .PLATE 2 2 2 2 27 98502–05014 .SCREW, PAN HEAD 3 3 3 3 28 2HH–14197–00 .PIPE 2 2 2 2 29 87M–14137–00 .CLIP 3 3 3 3 30 5MV–14194–00 .
B12 1C34 PART NO. 1C33 REF. NO. 1C32 8 EXHAUST 1C31 FIG.
FIG. B13 1C31 1C32 1C33 1C34 REF. NO.
FIG. 10 CRANKCASE COVER 1 B14 1C31 1C32 1C33 1C34 REF. NO.
FIG. 11 STARTER B15 1C31 1C32 1C33 1C34 REF. NO.
FIG. 12 CLUTCH C2 1C31 1C32 1C33 1C34 REF. NO. 1 1C3–16111–00 GEAR, PRIMARY DRIVE 1 1 1 1 2 90387–172K2 COLLAR 1 1 1 1 3 90105–08071 BOLT, FLANGE 1 1 1 1 4 1C3–16150–00 PRIMARY DRIVEN GEAR COMP.
FIG. 13 TRANSMISSION C3 1C31 1C32 1C33 1C34 REF. NO.
FIG. 13 TRANSMISSION C4 1C31 1C32 1C33 1C34 REF. NO. 28 93102–28012 OIL SEAL 1 1 1 1 29 90387–22004 COLLAR 1 1 1 1 30 9383B–13218 SPROCKET, DRIVE (13T) 1 1 1 1 31 90215–20003 WASHER, LOCK 1 1 1 1 32 90179–18001 NUT 1 1 1 1 PART NO.
FIG. 14 SHIFT CAM & FORK C5 1C31 1C32 1C33 1C34 REF. NO.
FIG. 15 SHIFT SHAFT C6 1C31 1C32 1C33 1C34 REF. NO.
FIG. 16 FRAME C7 DESCRIPTION 1C31 1C32 1C33 1C34 REF. NO. 1 1C3–21101–00 FRONT FRAME COMP. 1 1 1 1 2 1C3–21190–00 REAR FRAME COMP.
C8 WRENCH, HEXAGON 1C34 28 5ET–28166–00 DESCRIPTION 1C33 PART NO. 1C32 REF. NO. 1C31 FIG.
FIG. 17 FENDER C9 1C31 1C32 1C33 1C34 REF. NO. 1 5HD–21511–00 FENDER, FRONT 1 1 1 1 2 90387–06090 COLLAR 4 4 4 4 3 90119–06096 BOLT, WITH WASHER 4 4 4 4 4 4ES–2153E–01 EMBLEM, YAMAHA 1 1 1 1 5 5XE–21610–00 REAR FENDER COMP. 1 1 1 1 6 5XE–21635–00 .
FIG. 18 SIDE COVER C10 1C31 1C32 1C33 1C34 REF. NO.
FIG. 19 REAR ARM C11 1C31 1C32 1C33 1C34 REF. NO. 1 1C3–22110–00 REAR ARM COMP.
FIG. 19 REAR ARM C12 1C31 1C32 1C33 1C34 REF. NO. 28 93109–21001 OIL SEAL 2 2 2 2 29 90387–14005 COLLAR 1 1 1 1 30 1C3–22121–00 SHAFT 1 1 1 1 1 31 1C3–22122–00 SHAFT 2 2 2 2 2 32 90201–14740 WASHER, PLATE 3 3 3 3 33 90185–14007 NUT, SELF-LOCKING 3 3 3 3 34 1C3–2135F–00 COVER 1 1 1 1 35 1C3–2139R–00 COVER 2 1 1 1 1 36 5UN–2153A–00 EMBLEM, YAMAHA 2 2 2 2 PART NO.
C13 1C34 DESCRIPTION 1C33 PART NO. 1C32 REF. NO. 1C31 FIG. 20 REAR SUSPENSION REMARKS 1 1C3–22210–00 SHOCK ABSORBER ASSY, REAR 1 UR USA 1C3–22210–30 SHOCK ABSORBER ASSY, REAR 1 UR FOR CAN 1C3–22210–40 SHOCK ABSORBER ASSY, REAR 1 1C3–22210–10 SHOCK ABSORBER ASSY, REAR 1C3–22210–20 SHOCK ABSORBER ASSY, REAR 1 UR FOR ZAF 1 1 2 1C3–22201–00 .DAMPER SUB ASSY 1 UR USA 1C3–22201–30 .DAMPER SUB ASSY 1 UR FOR CAN 1C3–22201–40 .DAMPER SUB ASSY 1 1C3–22201–10 .
FIG. 20 REAR SUSPENSION C14 1C31 1C32 1C33 1C34 REF. NO. 20 92907–10200 WASHER, PLAIN 1 1 1 1 21 5NY–22241–00 BOLT 1 1 1 1 1 22 90185–10060 NUT, SELF-LOCKING 1 1 1 1 PART NO.
FIG. 21 STEERING C15 1C31 1C32 1C33 1C34 REF. NO.
D2 1 1C3–23102–00 FRONT FORK ASSY (L.H) 1C3–23102–10 FRONT FORK ASSY (L.H) 1 1C34 DESCRIPTION 1C33 PART NO. 1C32 REF. NO. 1C31 FIG. 22 FRONT FORK 1 1 1 2 1C3–23136–L0 .TUBE, OUTER 1 1 1 1 3 1C3–23120–L0 .INNER TUBE COMP.2 1 1 1 1 4 5XE–23171–L0 .PISTON, FRONT FORK 1 1 1 1 5 5XE–23125–L0 .METAL, SLIDE 1 1 1 1 1 6 5XE–23146–L0 .WASHER, OIL SEAL 1 1 1 1 7 1C3–23145–L0 .OIL SEAL 1 1 1 1 8 5XE–23153–L0 .RING, SNAP 1 1 1 1 9 5XE–23144–L0 .
D3 24 1C3–23103–00 FRONT FORK ASSY (R.H) 1C3–23103–10 FRONT FORK ASSY (R.H) 1 1C34 DESCRIPTION 1C33 PART NO. 1C32 REF. NO. 1C31 FIG. 22 FRONT FORK 1 1 1 25 1C3–23136–L0 .TUBE, OUTER 1 1 1 1 26 1C3–23110–L0 .INNER TUBE COMP.1 1 1 1 1 27 5XE–23171–L0 .PISTON, FRONT FORK 1 1 1 1 28 5XE–23125–L0 .METAL, SLIDE 1 1 1 1 1 29 5XE–23146–L0 .WASHER, OIL SEAL 1 1 1 1 30 1C3–23145–L0 .OIL SEAL 1 1 1 1 31 5XE–23153–L0 .RING, SNAP 1 1 1 1 32 5XE–23144–L0 .
FIG. 22 FRONT FORK D4 1C31 1C32 1C33 1C34 REF. NO. 47 1C3–23340–L0 UNDER BRACKET COMP. 1 1 1 1 48 5NY–23346–L0 BOLT 1 8 8 8 8 49 93332–00081 BEARING 1 1 1 1 50 5XE–23389–00 GUIDE, CABLE 1 1 1 1 51 95027–06020 BOLT, FLANGE 1 1 1 1 52 5XE–23113–00 COLLAR 1 1 1 1 53 1C3–2314J–00 PROTECTER COMP., 2 1 1 1 1 54 4XL–2153A–10 .EMBLEM, YAMAHA 1 1 1 1 55 1C3–2314H–00 PROTECTER COMP., 1 1 1 1 1 56 4XL–2153A–10 .
FIG. 23 FUEL TANK D5 1C31 1C32 1C33 1C34 REF. NO. 1 1C3–24110–00 FUEL TANK COMP.
D6 1C34 28 1C3–24184–00 DESCRIPTION 1C33 PART NO. 1C32 REF. NO. 1C31 FIG.
FIG. 24 SEAT D7 1C31 1C32 1C33 1C34 REF. NO. 1 5XE–24770–00 SEMI-DOUBLE SEAT ASSY 1 1 1 1 2 5XE–2470F–00 .SEAT COVER COMP. 1 1 1 1 3 5NY–24728–00 .BRACKET, SEAT 2 2 2 2 4 97307–06012 .BOLT 4 4 4 4 5 92907–06100 .WASHER, SPRING 4 4 4 4 PART NO.
FIG. 25 FRONT WHEEL D8 1C31 1C32 1C33 1C34 REF. NO. 1 5NY–25111–00 HUB, FRONT 1 1 1 1 2 93306–90403 BEARING 2 2 2 2 3 5NY–25117–00 SPACER, BEARING 1 1 1 1 4 93102–26468 OIL SEAL 2 2 2 2 5 94416–21003 RIM (1.
FIG. 26 FRONT BRAKE CALIPER D9 1C31 1C32 1C33 1C34 REF. NO. 1 1C3–23466–00 CLAMP 1 1 1 1 2 1C3–23467–00 CLAMP 1 1 1 1 3 95707–06500 NUT, FLANGE 2 2 2 2 4 5MV–2581T–00 DISK BRAKE ASSY 1 1 1 1 5 90149–06327 SCREW 6 6 6 6 6 1C3–2580T–00 CALIPER ASSY (LEFT) 1 1 1 1 7 5UN–W0057–00 .PISTON ASSY, CALIPER 1 1 1 1 8 3JD–W0047–00 ..CALIPER SEAL KIT 1 1 1 1 9 5DH–25919–00 .SUPPORT, PAD 1 1 1 1 10 1UY–W0048–50 .BLEED SCREW KIT 1 1 1 1 11 5MV–W0045–01 .
FIG. 27 REAR WHEEL 1C31 1C32 1C33 1C34 REF. NO. 1 5ET–25311–00 HUB, REAR 1 1 1 1 2 5ET–25317–00 SPACER, BEARING 1 1 1 1 3 93306–27205 BEARING 1 1 1 1 4 93306–07202 BEARING 1 1 1 1 5 93106–30044 OIL SEAL 1 1 1 1 6 93106–30045 OIL SEAL 1 1 1 1 7 99009–45500 CIRCLIP 1 1 1 1 8 94418–19601 RIM (1.
FIG. 27 REAR WHEEL D11 1C31 1C32 1C33 1C34 REF. NO.
FIG. 28 REAR BRAKE CALIPER D12 1C31 1C32 1C33 1C34 REF. NO. 1 5NY–2582W–00 DISK, REAR BRAKE 2 1 1 1 1 2 90109–065G4 BOLT 6 6 6 6 3 1C3–2580W–00 CALIPER ASSY, REAR 2 1 1 1 1 4 5UN–W0057–50 .PISTON ASSY, CALIPER 1 1 1 1 5 5UN–W0047–50 ..CALIPER SEAL KIT 1 1 1 1 6 5DH–25919–50 .SUPPORT, PAD 1 1 1 1 7 1UY–W0048–50 .BLEED SCREW KIT 1 1 1 1 8 1C3–W0046–00 .BRAKE PAD KIT 2 1 1 1 1 9 5UN–25828–60 ..SHIM, CALIPER 1 1 1 1 10 5UN–25827–60 ..
FIG. 29 STEERING HANDLE & CABLE D13 1C31 1C32 1C33 1C34 REF. NO. 1 1C3–26111–00 HANDLEBAR 1 1 1 1 2 4GY–26241–00 GRIP 1 1 1 1 3 4XM–26240–00 GRIP ASSY 1 1 1 1 4 4GY–26242–00 .GRIP (RIGHT) 1 1 1 1 5 4XM–26243–00 .
FIG. 30 FRONT MASTER CYLINDER D14 1C31 1C32 1C33 1C34 REF. NO. 1 1C3–25872–00 HOSE, BRAKE 1 1 1 1 1 2 90201–10118 WASHER, PLATE 4 4 4 4 3 90401–10172 BOLT, UNION 2 2 2 2 4 5XE–W2587–00 MASTER CYLINDER SUB ASSY 1 1 1 1 5 5NY–W0041–00 .CYLINDER KIT, MASTER 1 1 1 1 6 5NY–25868–00 .BOOT, MASTER CYLINDER 1 1 1 1 7 5XE–25854–00 .DIAPHRAGM, RESERVOIR 1 1 1 1 8 5MV–25852–01 .CAP, RESERVOIR 1 1 1 1 9 98706–04012 .SCREW, FLAT HEAD 2 2 2 2 10 5CG–25715–00 .
FIG. 31 STAND & FOOTREST D15 1C31 1C32 1C33 1C34 REF. NO.
FIG. 32 REAR MASTER CYLINDER E2 1C31 1C32 1C33 1C34 REF. NO. 1 1C3–2583V–00 RR. MASTER CYLINDER ASSY. 1 1 1 1 2 5UN–W0042–50 .CYLINDER KIT, MASTER 1 1 1 1 3 5UN–27218–00 .NUT 1 1 1 1 4 5UN–27222–00 .JOINT 1 1 1 1 5 5UN–25852–50 .CAP, RESERVOIR 1 1 1 1 6 5UN–2585B–00 .PLATE, DIAPHRAGM 1 1 1 1 7 5UN–25854–00 .DIAPHRAGM, RESERVOIR 1 1 1 1 8 5UN–27217–00 .BOLT 2 2 2 2 9 5CG–25715–00 .
FIG. 33 GENERATOR E3 1C31 1C32 1C33 1C34 REF. NO. 1 1C3–85560–00 BASE ASSY 1 1 1 1 2 1C3–85550–00 ROTOR ASSY 1 1 1 1 3 90149–06011 SCREW 3 3 3 3 4 90179–12248 NUT 1 1 1 1 5 90201–127E1 WASHER, PLATE 1 1 1 1 PART NO.
FIG. 34 HANDLE SWITCH & LEVER E4 1C31 1C32 1C33 1C34 REF. NO.
FIG. 35 ELECTRICAL 1 E5 1C31 1C32 1C33 1C34 REF. NO. 1 1C3–85540–00 C.D.I. UNIT ASSY 1 1 1 1 2 1C3–82320–00 IGNITION COIL ASSY 1 1 1 1 3 90105–06060 BOLT, FLANGE 2 2 2 2 4 1C3–8231U–00 CORE, SIDE 1 1 1 1 5 1C3–85546–00 BAND 1 1 1 1 6 90465–13275 CLAMP 3 3 3 3 7 1C3–82509–00 WIRE, SUB LEAD 1 1 1 1 8 1C3–2139X–00 DAMPER 1 1 1 1 PART NO.
FIG. 36 ALTERNATE FOR CHASSIS 1C31 1C32 1C33 1C34 REF. NO. 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–22212–30 SPRING (K=48N/MM) 1 1 1 1 AP 5UN–22212–40 SPRING (K=50N/MM) 1 1 1 1 AP 5UN–22212–50 SPRING (K=52N/MM) 1 1 1 1 AP 5UN–22212–60 SPRING (K=54N/MM) 1 1 1 1 AP 5UN–22212–70 SPRING (K=56N/MM) 1 1 1 1 AP 5UN–22212–A0 SPRING (K=APPROX.44N/MM) 1 1 1 1 AP 5UN–22212–B0 SPRING (K=APPROX.
FIG. 37 OPTIONAL PARTS 1 E7 1C31 1C32 1C33 1C34 REF. NO. 1 1C3–11630–00 PISTON ASSY (STD) 1 1 1 1 2 1C3–11631–00–B0 .PISTON (STD) 1 1 1 1 3 5NY–11611–00 .RING, PISTON 1 1 1 1 4 1C3–11633–00 .PIN, PISTON 1 1 1 1 5 93450–16068 .CIRCLIP 2 2 2 2 6 1C3–11650–00 CONNECTING ROD ASSY 1 1 1 1 7 1C3–11651–00 .ROD, CONNECTING 1 1 1 1 8 3JD–11681–10 .PIN, CRANK 1 1 1 1 1 9 90209–22326 .WASHER 2 2 2 2 10 93310–52238 .BEARING 1 1 1 1 11 93310–21510 .
NUMERICAL INDEX PART NO.
NUMERICAL INDEX PART NO. GRID NO.
NUMERICAL INDEX PART NO.