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YZ250M(5HC1) CANADA,U.S.A.,SOUTHAFRICA
YZ250 (5HC2) EUROPE
YZ250 (5HC3) JAPAN
YZ250M(5HC4) OCEANIA
205HC–100E1
A2
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A3
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FOREWORD ThisPartsCatalogueisrelatedtotheparts forthemodel(s)inthebelowframe. Whenyouare 5. Applicable colors of graphics are represented in the “REMARKS” as shown orderingreplacementparts,pleaserefertothisPartsCatalogueandquotebothpartnumbersand below. part names correctly. PART NO. DESCRIPTION Q’TY REMARKS 2N4–24110–00–X5.FUEL TANK COMP. 2 MXR YZ250M(5HC1/5HC4),YZ250(5HC2/5HC3) 3J1–24240–10 .GRAPHIC, FUEL TANK 1 for MXR 1. Modifications or additions which have been made after issue of the Part
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MODEL LABEL (1) A label called “Model Label” is affixed in the location as indicated in (3) below. (4) Model Code – Production Code Number of Model Listed in This Parts Catalog 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. Model Production Country Model Production Country Code Code No. (destination) Code Code No. (desti
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FIG. 1 CYLINDERHEAD REF. PARTNO. DESCRIPTION REMARKS NO. 1 5CU–11111–00 HEAD, CYLINDER 1 1 1 1 1 2 94702–00326 PLUG, SPARK (NGK BR8EG) 1 1 1 1 3 90116–08394 BOLT, STUD 6 6 6 6 4 93604–08071 PIN, DOWEL 2 2 2 2 5 90176–08026 NUT, CROWN 6 6 6 6 6 90201–08087 WASHER, PLATE 6 6 6 6 7 5CU–11311–00 CYLINDER 1 1 1 1 1 8 5CU–1131D–00 VALVE ASSY 1 1 1 1 9 5CU–1131U–00 HOLDER 3 1 1 1 1 10 98907–05012 SCREW, BIND 2 2 2 2 11 90201–057H5 WASHER, PLATE 2 2 2 2 12 5CU–1132A–00 VALVE 2 2 2 2 2 13 5CU–11351–10 GA
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FIG. 1 CYLINDERHEAD REF. PARTNO. DESCRIPTION REMARKS NO. 28 98907–05012 SCREW, BIND 2 2 2 2 29 93104–08040 OIL SEAL 1 1 1 1 30 4SS–11832–00 LEVER, LINK 1 1 1 1 31 90508–155B8 SPRING, TORSION 2 2 2 2 32 5CU–1132E–00 PULLEY 1 1 1 1 1 33 5CU–1132F–00 PULLEY 2 1 1 1 1 34 90201–081G0 WASHER, PLATE 2 2 2 2 35 90501–046L6 SPRING, COMPRESSION 2 2 2 2 36 5CU–1131V–00 SHAFT 1 1 1 1 1 37 91317–04008 BOLT 3 3 3 3 38 5CU–11991–00 HOUSING 1 1 1 1 1 39 5CU–11993–00 .GASKET 1 1 1 1 40 97007–05020 BOLT 4 4 4 4 4
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FIG. 2 GOVERNOR REF. PARTNO. DESCRIPTION REMARKS NO. 1 4JY–11915–01 PLATE, THRUST 1 1 1 1 1 2 98907–05012 SCREW, BIND 1 1 1 1 3 90105–05002 BOLT, WASHER BASED 1 1 1 1 4 90201–057H5 WASHER, PLATE 1 1 1 1 5 90387–085E1 COLLAR 1 1 1 1 6 93104–08040 OIL SEAL 1 1 1 1 7 5CU–11990–00 PUSH ROD ASSY 1 1 1 1 8 3JE–11922–01 FORK, GOVERNOR 1 1 1 1 9 91317–04006 BOLT 2 2 2 2 10 93300–60801 BEARING (B0060) 1 1 1 1 KOYO 11 93300–60801 BEARING (B0060) 1 1 1 1 KOYO 12 5X4–11921–02 SHAFT, GOVERNOR 1 1 1 1 13 24X–
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FIG. 3 CRANKSHAFT.PISTON REF. PARTNO. DESCRIPTION REMARKS NO. 1 5CU–11631–00–A0 PISTON (STD) 1 1 1 1 UR 5CU–11631–00–B0 PISTON (STD) 1 1 1 1 UR 5CU–11631–00–C0 PISTON (STD) 1 1 1 1 UR 5CU–11631–00–D0 PISTON (STD) 1 1 1 1 UR 2 5CU–11603–00 PISTON RING SET (STD) 1 1 1 1 3 5CU–11633–10 PIN, PISTON 1 1 1 1 4 93450–19052 CIRCLIP 2 2 2 2 5 93310–218A6 BEARING 1 1 1 1 6 5CU–11400–00 CRANKSHAFT ASSY 1 1 1 1 7 5CU–11410–00 .CRANKSHAFT 1 1 1 1 8 5CU–11420–00 .CRANKSHAFT 1 1 1 1 9 5CU–11681–00 .PIN, CRANK
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FIG. 4 WATERPUMP REF. PARTNO. DESCRIPTION REMARKS NO. 1 5CU–12459–00 GEAR, IMPELLER SHAFT 1 1 1 1 2 5DJ–12451–00 IMPELLER, WATER PUMP 1 1 1 1 3 90201–08512 WASHER, PLATE 1 1 1 1 4 93109–11073 OIL SEAL 1 1 1 1 5 93102–12106 OIL SEAL (SD 12–22–5 HS) 1 1 1 1 6 93306–00105 BEARING (B6001) 1 1 1 1 7 90201–08784 WASHER, PLATE 1 1 1 1 8 99001–06600 CIRCLIP 1 1 1 1 9 5CU–12422–00 COVER, HOUSING 1 1 1 1 10 5CU–12428–00 GASKET, HOUSING COVER 2 1 1 1 1 11 93604–10011 PIN, DOWEL 2 2 2 2 12 90430–06014 GASKE
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FIG. 5 RADIATOR.HOSE REF. PARTNO. DESCRIPTION REMARKS NO. 1 4SR–1240A–10 RADIATOR ASSY 1 1 1 1 2 91A20–05065 TUBE, FLEXIBLE VINYL 1 1 1 1 3 90467–09006 CLIP 1 1 1 1 4 4SR–12461–10 RADIATOR ASSY 1 1 1 1 5 5HD–12462–00 CAP, RADIATOR 1 1 1 1 6 5CU–12481–00 PIPE 1 1 1 1 1 7 4SS–12482–00 PIPE 2 2 2 2 2 8 5CU–12484–00 PIPE 4 1 1 1 1 9 90450–28014 HOSE CLAMP ASSY 4 4 4 4 10 90450–25037 HOSE CLAMP ASSY 2 2 2 2 11 90467–21068 CLIP 2 2 2 2 12 90480–15528 GROMMET 6 6 6 6 13 90387–0614M COLLAR 6 6 6 6 14 90
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FIG. 6 INTAKE REF. PARTNO. DESCRIPTION REMARKS NO. 1 4XL–13610–00 REED VALVE ASSY 1 1 1 1 2 4XL–13613–00 .REED, VALVE 2 2 2 2 3 4XL–13616–00 .STOPPER, REED VALVE 2 2 2 2 4 98507–03008 .SCREW, PAN HEAD 4 4 4 4 5 92907–03100 .WASHER 4 4 4 4 6 4XL–13625–00 .SPACER, REED VALVE 1 1 1 1 7 5HC–13565–00 JOINT, CARBURETOR 1 1 1 1 8 91317–06020 BOLT 5 5 5 5 9 90464–06214 CLAMP 2 2 2 2 10 90450–51070 HOSE CLAMP ASSY 1 1 1 1 11 90450–70072 HOSE CLAMP ASSY 1 1 1 1 12 4SS–14401–10 AIR CLEANER CASE ASSY 1 1 1
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FIG. 7 CARBURETOR REF. PARTNO. DESCRIPTION REMARKS NO. 1 5HC–14101–00 CARBURETOR ASSY 1 1 1 1 5HC–14101–10 CARBURETOR ASSY 1 1 2 4JT–14171–00 .PLUNGER, STARTER 1 1 1 1 3 4SR–14985–00 .FLOAT 1 1 1 1 4 4JT–14984–00 .GASKET, FLOAT CHAMBER 1 1 1 1 5 4MX–14115–00 .PLUG, SCREW 1 1 1 1 6 4MX–14561–00 .O–RING 1 1 1 1 7 4MX–14392–00 .VALVE, NEEDLE 1 1 1 1 8 4XL–14146–00 .PLATE 2 2 2 2 9 4MX–14948–07 .JET, SLOW (#50) 1 1 1 1 STD 4SR–14948–02 .JET, SLOW (#38) 1 1 1 1 AP 4SR–14948–03 .JET, SLOW (#40) 1 1 1
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FIG. 7 CARBURETOR REF. PARTNO. DESCRIPTION REMARKS NO. 10 4SR–14916–CJ .NEEDLE (N3CJ) 1 1 1 1 AP 4SR–14916–EG .NEEDLE (N3EG) 1 1 1 1 AP 4SR–14916–EH .NEEDLE (N3EH) 1 1 1 1 AP 4SR–14916–EW .NEEDLE (N3EW) 1 1 1 1 AP 4SR–14916–EJ .NEEDLE (N3EJ) 1 1 1 1 AP 11 4MX–14919–00 .CLIP 1 1 1 1 12 5HC–14340–A7 .VALVE ASSY 1 1 1 1 13 5HC–14261–00 .HOLDER 1 1 1 1 14 5HC–14126–00 .GASKET 1 1 1 1 15 4SR–14105–00 .PILOT SCREW SET 1 1 1 1 16 5HC–14131–00 .SPRING, THROTTLE VALVE 1 1 1 1 17 663–14159–00 .CLIP 1 1 1
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FIG. 7 CARBURETOR REF. PARTNO. DESCRIPTION REMARKS NO. 23 4MX–14943–95 .JET, MAIN (#188) 1 1 1 1 AP 4MX–14943–45 .JET, MAIN (#190) 1 1 1 1 AP 24 4MX–14194–00 .RING 1 1 1 1 25 98502–04012 .SCREW, PAN HEAD 2 2 2 2 26 4XL–1410E–00 .HOSE 1 1 1 1 27 4JT–1494F–09 .JET (#85) 1 1 1 1 STD 4JT–1494F–07 .JET (#50) 1 1 1 1 AP 4JT–1494F–11 .JET (#60) 1 1 1 1 AP 4JT–1494F–13 .JET (#65) 1 1 1 1 AP 4JT–1494F–15 .JET (#70) 1 1 1 1 AP 28 5HC–14146–00 .PLATE 1 1 1 1 29 98580–04006 .SCREW, PAN HEAD 1 1 1 1 30 5HC–1
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FIG. 8 EXHAUST REF. PARTNO. DESCRIPTION REMARKS NO. 1 5CU–14610–00 EXHAUST PIPE ASSY 1 1 1 1 1 2 93210–53638 O–RING 2 2 2 2 3 90507–20052 SPRING, TENSION 2 2 2 2 4 5CU–14771–00 STAY, MUFFLER 1 1 1 1 1 5 90480–16561 GROMMET 1 1 1 1 6 90387–063G3 COLLAR 1 1 1 1 7 90201–06071 WASHER, PLATE 1 1 1 1 8 483–14781–02 STAY, MUFFLER 2 1 1 1 1 9 95027–06012 BOLT, FLANGE 1 1 1 1 10 90119–06192 BOLT, WITH WASHER 1 1 1 1 11 95027–06025 BOLT, FLANGE 1 1 1 1 12 95027–08012 BOLT, FLANGE 1 1 1 1 13 90201–08730 WA
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FIG. 9 CRANKCASE REF. PARTNO. DESCRIPTION REMARKS NO. 1 5CU–15111–01 CRANKCASE 1 1 1 1 1 2 5CU–15121–01 CRANKCASE 2 1 1 1 1 3 91317–06050 BOLT 7 7 7 7 4 91317–06060 BOLT 1 1 1 1 5 91317–06070 BOLT 3 3 3 3 6 4JT–15381–01 PLATE, BEARING COVER 2 2 2 2 7 90149–06326 SCREW 2 2 2 2 8 353–13115–01 CONNECTOR, SUCTION PIPE 1 1 1 1 9 90445–08605 HOSE 1 1 1 1 10 5CU–15454–00 GASKET, AIR CLEANER COVER 1 1 1 1 1 11 93612–16254 PIN, DOWEL 2 2 2 2 12 90387–1712Y COLLAR 2 2 2 2 13 4L0–17471–00 PLATE, COVER 1 1
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FIG. 10 CRANKCASECOVER1 REF. PARTNO. DESCRIPTION REMARKS NO. 1 5CU–15411–00 COVER, CRANKCASE 1 1 1 1 1 2 5CU–15451–00 GASKET, CRANKCASE COVER 1 1 1 1 1 3 98507–06030 SCREW, PAN HEAD 5 5 5 5 4 92907–06600 WASHER, PLATE 5 5 5 5 5 5CU–15421–00 COVER, CRANKCASE 2 1 1 1 1 6 5HC–17466–00 GUIDE, CHAIN 1 1 1 1 7 98507–06035 SCREW, PAN HEAD 2 2 2 2 8 92907–06600 WASHER, PLATE 2 2 2 2 9 5CU–15431–00 COVER, CRANKCASE 3 1 1 1 1 10 5CU–15462–00 GASKET, CRANKCASE COVER 3 1 1 1 1 11 99530–08016 PIN, DOWEL 2 2
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FIG. 11 STARTER REF. PARTNO. DESCRIPTION REMARKS NO. 1 5CU–15601–01 KICK SHAFT ASSY 1 1 1 1 2 90201–20685 .WASHER, PLATE (0.5T) 1 1 1 1 3 93410–20038 .CIRCLIP 1 1 1 1 4 90501–16107 .SPRING, COMPRESSION 1 1 1 1 5 90201–167P7 .WASHER, PLATE 1 1 1 1 6 99009–16400 .CIRCLIP 1 1 1 1 7 5CU–15664–00 .GUIDE, SPRING 1 1 1 1 8 90508–305B0 .SPRING, TORSION 1 1 1 1 9 90201–162H4 WASHER, PLATE 1 1 1 1 10 3Y6–15674–00 GUIDE, RATCHET WHEEL 1 1 1 1 11 214–15686–00 WASHER, LOCK 1 1 1 1 12 97027–06016 BOLT 2 2 2 2
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FIG. 12 CLUTCH REF. PARTNO. DESCRIPTION REMARKS NO. 1 5DJ–16111–00 GEAR, PRIMARY DRIVE 1 1 1 1 2 90387–2513A COLLAR 1 1 1 1 3 5CU–11956–00 GEAR, GOVERNOR DRIVE 1 1 1 1 4 90201–105P3 WASHER, PLATE 1 1 1 1 5 90105–10445 BOLT, WASHER BASED 1 1 1 1 6 5DJ–16150–00 PRIMARY DRIVEN GEAR COMP. 1 1 1 1 7 4EW–16371–01 BOSS, CLUTCH 1 1 1 1 8 5HC–16351–00 PLATE, PRESSURE 1 1 1 1 1 9 4X7–16325–00 PLATE, CLUTCH 2 7 7 7 7 10 3XK–16321–00 PLATE, FRICTION 8 8 8 8 11 90501–23141 SPRING, COMPRESSION 6 6 6 6 12 9015
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FIG. 12 CLUTCH REF. PARTNO. DESCRIPTION REMARKS NO. 28 90430–05242 GASKET 1 1 1 1 C3 5HC1 5HC2 5HC3 5HC4
