Yamaha SR125 User Manual

–2–MAINTENANCE SPECIFICATIONSSPECMAINTENANCE SPECIFICATIONSENGINEItemStandard LimitCam chain:Cam chain type/No. of linksCam chain adjustmentDID 25SH/1

–3–MAINTENANCE SPECIFICATIONSSPECNOTE:TIGHTENING TORQUESENGINEPart to be tightenedPart nameThreadsizeQ’tyTighteningtorqueRemarksgsizeyNm mSkgTiming ch

–4–CABLE ROUTINGSPEC12 Wireharness13 Horn lead14 Headlight earth lead15 Auxilialy light lead16 Meter leadA Faster the handlebar switch lead(left and r

–5–CABLE ROUTINGSPEC13 Clutch cable guide14 Right handlebar switch lead15 Front brake switch lead16 Clutch switch lead17 Clutch cable18 Rear stop swit

–6–CABLE ROUTINGSPECE Clamp the clutch cable to thedown tube of the frame.F Cover the sack to the couplers.

–7–1 Pick up coil lead2 Neutral switch lead3 C.D.I unit4 Rear flasher lead (right)5 Rear flasher lead (left)6 Tail/Brake light lead7 Clutch switch lea

–8–H Route the brake hose through the brake hose holder.I Clamp the speed meter cable to the under bracket and through the wire holder of front fender

–9–CHECKING AND ADJUSTING THE STEERING HEADINSPADJWARNINGNOTE:EB304130CHECKING AND ADJUSTING THE STEER-ING HEAD1. Stand the motorcycle on a level surf

–10–CHECKING AND ADJUSTING THE STEERING HEADINSPADJNOTE:WARNINGNOTE:110 Nm (11.0 mSkg)26 Nm (2.6 mSkg)6.Adjust:S steering heada. Remove the lock washe

–11–CYLINDER HEADENGOrder Job name/Part name Q’ty Remarks1234567Cylinder head removalTiming chain tensioner assemblyCam sprocket/Timing chainIgnition

–12–CYLINDER HEADENGNOTE:NewNew22 Nm (2.2 mSkg)M8 (1 X 4)20 Nm (2.0 mSkg)M8 (5 X 6)NOTE:EB401430CHECKING THE TIMING CHAIN TENSIONER1. Check:S timing c

–13–CYLINDER HEADENGNOTE:CAUTION:3. Install:S Cam sprocketS Timing chainInstalling steps:S Turn the crank shaft counterclockwise until theslit 1 match

–14–CYLINDER HEADENGWARNING60 Nm (6.0 mSkg)NOTE:Always use a new gasket.Timing chain tensioner bolt10 Nm (1.0 mSkg)d. Remove the screwdriver, make sur

–15–STEERINGCHASOrder Job name/Part name Q’ty Remarks123456789Under bracket removalFront forkHandlebarHeadlight unitMeter assemblyHeadlight stayHandle

–16–Order Job name/Part name Q’ty Remarks1011121314151617Under bracketBearing inner raceUpper bearingBearing outer raceLower bearingBearing inner race

COLOR CODEB Black. . . . . Br Brown. . . . Ch Chocolate. . . Dg Dark green. . . G Green. . . . L Blue. . . . . Or Orange. . . . Sb Sky blue. . . . P P

FOREWORDThis Supplementary Service Manual has been prepared to introduce new service and data for theSR125 ’99. For complete service information proce

NOTE:CAUTION:EB001000NOTICEThis manual was produced by the Yamaha Motor Company primarily for use by Yamaha dealers andtheir qualified mechanics. It i

12676438YP002000HOW TO USE THIS MANUALMANUAL ORGANIZATIONThis manual consists of chapters for the main categories of subjects. (See “Illustrated symbo

2213579248624 25232119 201816 1715141311 1210GENINFOSPECENGCARBELECCHASCOOLINSPADJTRBLSHTGEB003000ILLUSTRATED SYMBOLSIllustrated symbols 1 to 9 are de

CONTENTSGENERAL SPECIFICATIONSGENERAL SPECIFICATIONS 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MAINTENANCE SPECIFICATIONS 2. .

–1–GENERAL SPECIFICATIONSSPECSPECIFICATIONSGENERAL SPECIFICATIONSModel SR125Model code: 3MW8Dimensions:Overall height1,100 mmChassis:Caster angleTrail