Yamaha YZF-R1B 2012 Service Manual

Also see for YZF-R1 2012: Service manual

Contents

ELECTRICAL COMPONENTS8-136▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼a. Disconnect the relay unit coupler from thewire harness.b. Connect the pocket tester (Ω × 1) to therelay unit terminal as shown.c. Check the relay unit (diode) for continuity.d. Check the relay unit (diode) for no continu-ity.▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲EAS28100CHECKING THE IGNITION COILSThe following procedure applies to all of theignition coils.1. Check:• Primary coil resistanceOut of specification → Replace.▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼a. Remove the ignition coil from the sparkplug.b. Connect the pocket tester (Ω × 1) to theignition coil as shown.c. Measure the primary coil resistance.▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲ContinuityPositive tester probeSky blue “1”Negative tester probeBlack/Yellow “2”No continuityPositive tester probeBlack/Yellow “2”Negative tester probeSky blue “1”ContinuityPositive tester probeSky blue “1”Negative tester probeBlue/Yellow “3”No continuityPositive tester probeBlue/Yellow “3”Negative tester probeSky blue “1”ContinuityPositive tester probeSky blue “1”Negative tester probeSky blue/White “4”No continuityPositive tester probeSky blue/White “4”Negative tester probeSky blue “1”ContinuityPositive tester probeBlue/Black “5”Negative tester probeBlue/Yellow “3”No continuityPositive tester probeBlue/Yellow “3”Negative tester probeBlue/Black “5”Primary coil resistance0.85–1.15 ΩPocket tester90890-03112Analog pocket testerYU-03112-C• Positive tester probeRed/Black “1”• Negative tester probeOrange or Gray/Red or Orange/Green orGray/Green “2”Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keysemail: info@motomatrix.co.uk