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YZ125T1 (1C31) CANADA,U.S.A.,SOUTH AFRICA
YZ125 (1C32) EUROPE
YZ125 (1C33) JAPAN
YZ125T1 (1C34) OCEANIA
1D1C3-100E1
2D1C3-100E1
()
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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. A3
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A4
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FOREWORD This Parts Catalogue is related to the parts for the model(s) on the cover page. When you are 6. The asterisk (*) before a reference number indicates modified items after the first edition. 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
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FOREWORD 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 A6
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MODEL LABEL (1) A label called “Model Label” is affixed in the location as indicated in (3) below. (5) Model Code – Production Code Number of Model Listed in This Parts Catalogue When using this parts catalogue, please be sure to cross–reference the “model code – Model Production Country Model Production Country production code No.” in the catalogue with the “model code – production code No.” indi- Code Code No. (destination) Code Code No. (destination) cated on the Model Label affixed onto the
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CONTENTS ENGINE CYLINDER HEAD .................................................................B2 INDEX GOVERNOR .........................................................................B4 NUMERICAL INDEX ............................................................. M1 CRANKSHAFT & PISTON ....................................................B5 WATER PUMP ......................................................................B6 RADIATOR & HOSE .......................................................
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FIG. 1 CYLINDER HEAD REF. PART NO. DESCRIPTION REMARKS NO. 1 1C3–11111–00 HEAD, CYLINDER 1 1 1 1 1 2 90116–08394 BOLT, STUD 5 5 5 5 3 90176–08026 NUT, CROWN 5 5 5 5 4 90201–080L8 WASHER, PLATE 5 5 5 5 5 93210–63442 O-RING 1 1 1 1 6 93210–90785 O-RING 1 1 1 1 7 1C3–11311–00 CYLINDER 1 1 1 1 1 8 1C3–11351–00 GASKET, CYLINDER 1 1 1 1 9 90116–08318 BOLT, STUD 2 2 2 2 10 90116–08388 BOLT, STUD 2 2 2 2 11 99590–10114 PIN, DOWEL 2 2 2 2 12 90179–08299 NUT 44 44 13 94702–00324 PLUG, SPARK (NGK BR9EG)
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FIG. 1 CYLINDER HEAD REF. PART NO. DESCRIPTION REMARKS NO. 27 90508–16134 SPRING, TORSION 2 2 2 2 28 90387–08785 COLLAR 22 22 29 1C3–11992–00 HOUSING 2 1 1 1 1 30 1C3–11993–00 GASKET 1 1 1 1 31 97007–05016 BOLT 33 33 32 92907–05600 WASHER, PLATE 3 3 3 3 33 1C3–11995–00 SEAL, HOUSING 1 1 1 1 3 B 1C31 1C32 1C33 1C34
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FIG. 2 GOVERNOR REF. PART NO. DESCRIPTION REMARKS NO. 1 4JY–11915–01 PLATE, THRUST 1 1 1 1 1 2 98507–05012 SCREW, PAN HEAD 1 1 1 1 3 1C3–11990–00 PUSH ROD ASSY 1 1 1 1 4 90387–085E1 COLLAR 11 11 5 90201–057H5 WASHER, PLATE 1 1 1 1 6 97007–05012 BOLT 11 11 7 93104–08040 OIL SEAL 1 1 1 1 8 3JE–11922–01 FORK, GOVERNOR 1 1 1 1 9 91317–04006 BOLT 22 22 10 93300–60801 BEARING (B0060) 2 2 2 2 KOYO 11 5X4–11921–02 SHAFT, GOVERNOR 1 1 1 1 12 5NY–11953–00 GEAR, GOVERNOR 1 1 1 1 13 90501–30001 SPRING, CO
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FIG. 3 CRANKSHAFT & PISTON REF. PART NO. DESCRIPTION REMARKS NO. 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 .BEARING 11 11 8 1C3–11631–00–A0 PISTON (STD) 1 1 1 1 UR RED 1C3–11631–00–B0 PISTON (STD) 1 1 1 1 UR ORANGE 1C3–11631–00–C0 PISTON (STD) 1 1 1 1 UR GREEN 1C3–11631–00–D0 PISTON (STD) 1 1 1 1 UR PURPLE 9
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FIG. 4 WATER PUMP REF. PART NO. DESCRIPTION REMARKS NO. 1 1C3–12450–00 IMPELLER SHAFT ASSY 1 1 1 1 2 1C3–12453–01 GEAR 11 11 3 93603–12007 PIN, DOWEL 1 1 1 1 4 90201–08512 WASHER, PLATE 2 2 2 2 5 90387–08032 COLLAR 11 11 6 93440–07182 CIRCLIP 1 1 1 1 7 93102–08004 OIL SEAL 1 1 1 1 8 93102–08307 OIL SEAL 1 1 1 1 9 93300–60801 BEARING (B0060) 1 1 1 1 UR KOYO 93300–60814 BEARING (608M4ML01) 1 1 1 1 UR NMB 10 1C3–12422–00 COVER, HOUSING 1 1 1 1 11 90430–06014 GASKET 1 1 1 1 12 95027–06010 BOLT, FL
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FIG. 5 RADIATOR & HOSE REF. PART NO. DESCRIPTION REMARKS NO. 1 1C3–1240A–00 RADIATOR ASSY 1 1 1 1 2 1C3–12465–00 DAMPER, RADIATOR 1 1 1 1 3 91A20–05065 TUBE, FLEXIBLE VINYL 1 1 1 1 4 90467–09006 CLIP 11 11 5 1C3–12461–00 RADIATOR ASSY 1 1 1 1 6 5HD–12462–00 CAP, RADIATOR 1 1 1 1 7 1C3–12465–00 DAMPER, RADIATOR 1 1 1 1 8 1C3–12481–00 PIPE 1 1 1 1 1 9 1C3–12482–00 PIPE 2 1 1 1 1 10 1C3–12483–00 PIPE 3 1 1 1 1 11 1C3–12484–00 PIPE 4 1 1 1 1 12 90450–28014 HOSE CLAMP ASSY 2 2 2 2 13 90450–22017 HO
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FIG. 6 INTAKE REF. PART NO. DESCRIPTION REMARKS NO. 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 .WASHER, SPRING 6 6 6 6 6 1C3–13625–00 SPACER, REED VALVE 1 1 1 1 7 1C3–13565–00 JOINT, CARBURETOR 1 1 1 1 8 95027–06020 BOLT, FLANGE 4 4 4 4 9 90450–54004 HOSE CLAMP ASSY 1 1 1 1 10 90450–70001 HOSE CLAMP ASSY 1 1 1 1 11 5NY–14401–01 AIR CLEANER CASE ASSY 1 1 1 1 12 1C3–14
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FIG. 7 CARBURETOR REF. PART NO. DESCRIPTION REMARKS NO. 1 1C3–14101–00 CARBURETOR ASSY 1 1 1 1C3–14101–10 CARBURETOR ASSY 1 1 1C3–14101–20 CARBURETOR ASSY 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 .SCREW, PAN HEAD 1 1 1 1 10 353–14186–00 .PIN, FLOAT 1 1 1 1 11 4PE–14107–38 .NEEDLE VALVE SET 1
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FIG. 7 CARBURETOR REF. PART NO. DESCRIPTION REMARKS NO. 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 .NEEDLE (6CHY18-80) 1 1 1 1 AP 284–14116–G6 .NEEDLE (6CHY18-81) 1 1 1 1 AP 284–141
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FIG. 7 CARBURETOR REF. PART NO. DESCRIPTION REMARKS NO. 22 137–14143–88 .JET, MAIN (#440) 1 1 1 1 AP 137–14143–90 .JET, MAIN (#450) 1 1 1 1 AP 23 1C3–14112–40 .VALVE, THROTTLE 1 (4.0) 1 1 1 1 STD 1C3–14112–42 .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 22 22 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 .RING 1 1 1 1 31 5MV–24514–00 .NET, FILTER
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FIG. 8 EXHAUST REF. PART NO. DESCRIPTION REMARKS NO. 1 1C3–14610–00 EXHAUST PIPE ASSY 1 1 1 1 1 2 5MV–14642–00 SEAL, EXHAUST 2 2 2 2 3 90506–20012 SPRING, TENSION 2 2 2 2 4 565–14771–00 STAY, MUFFLER 1 1 1 1 1 5 95027–06012 BOLT, FLANGE 1 1 1 1 6 1C3–14763–00 SPACER 11 11 7 90201–06060 WASHER, PLATE 1 1 1 1 8 95027–06025 BOLT, FLANGE 1 1 1 1 9 5CU–14771–01 STAY, MUFFLER 1 1 1 1 1 10 90480–16561 GROMMET 1 1 1 1 11 90387–063G3 COLLAR 11 11 12 95027–06014 BOLT, FLANGE 1 1 1 1 13 90201–06557 WASHE
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FIG. 9 CRANKCASE REF. PART NO. DESCRIPTION REMARKS NO. 1 1C3–15111–00 CRANKCASE 1 1 1 1 1 2 1C3–15121–00 CRANKCASE 2 1 1 1 1 3 353–13115–01 CONNECTOR, SUCTION PIPE 1 1 1 1 4 90445–08605 HOSE 11 11 5 99530–10116 PIN, DOWEL 2 2 2 2 6 95027–10016 BOLT, FLANGE 1 1 1 1 7 90430–10188 GASKET 1 1 1 1 8 91317–06045 BOLT 66 66 9 91317–06055 BOLT 44 44 10 91317–06065 BOLT 11 11 11 91317–06075 BOLT 11 11 12 90461–10136 CLAMP 1 1 1 1 13 4V4–15118–00 HOLDER 11 11 14 90105–06556 BOLT, FLANGE 1 1 1 1 15 99590
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FIG. 10 CRANKCASE COVER 1 REF. PART NO. DESCRIPTION REMARKS NO. 1 1C3–15411–00 COVER, CRANKCASE 1 1 1 1 1 2 1C3–15451–00 GASKET, CRANKCASE COVER 1 1 1 1 1 3 98507–06030 SCREW, PAN HEAD 4 4 4 4 4 92907–06600 WASHER, PLATE 4 4 4 4 5 1C3–15421–00 COVER, CRANKCASE 2 1 1 1 1 6 1C3–17466–00 GUIDE, CHAIN 1 1 1 1 7 98507–06030 SCREW, PAN HEAD 2 2 2 2 8 1C3–15431–00 COVER, CRANKCASE 3 1 1 1 1 9 1C3–15462–00 GASKET, CRANKCASE COVER 3 1 1 1 1 10 99530–08016 PIN, DOWEL 2 2 2 2 11 3Y1–15363–00 PLUG, OIL 1
