Honda AFRICA TWIN XRV750 (1987-2002) [224/291] Electrical system 9 3
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Honda AFRICA TWIN XRV750 (1987-2002) [224/291] Electrical system 9 3

Honda AFRICA TWIN XRV750 (1987-2002) [224/291] Electrical system 9 3

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Electrical system 9 3 Bulbs continued Oil pressure indicator light XL600V H and J 1987 and 1988 models 3 4 W XL600V K to X 1989 to 1999 models 1 7 W XL650V models 1 7 W XRV750 L and M 1990 and 1991 models 3 4 W XRV750 N models onward 1992 on 3 0 W Sidestand indicator light XL600V K to X 1989 to 1999 models 1 7 W XL650V models 1 7 W XRV750 L and M 1990 and 1991 models 3 4 W XRV750 N models onward 1992 on 3 0 W Immobiliser indicator light XL650V 3 4 W Torque settings Alternator rotor bolt left hand thread XL600V H and J 1987 and 1988 models 110 Nm All other models 128 Nm Alternator stator bolts 12 Nm Neutral switch 12 Nm Oil pressure switch 12 Nm 1 General information All models have a 12 volt electrical system charged by a three phase alternator with a separate regulator rectifier The regulator maintains the charging system output within the specified range to prevent overcharging and the rectifier converts the ac alternating current output of the alternator to de direct current to power the lights and other components and to charge the battery The alternator rotor is mounted on the left hand end of the crankshaft The starter motor is mounted on the top of the crankcase behind the cylinders on the left hand side The starting system includes the motor the battery the relay and the various wires and switches and a starter safety interlock system On XL600V H and J 1987 and 1988 models without a sidestand switch ifthe engine kill switch is in the RUN position and the ignition main switch is ON the interlock system prevents the engine from oeing started if the engine is in gear unless the clutch lever is pulled in On all other models if Ihe engine kill switch is in the RUN position and the ignition mam switch is ON the system prevents the engine from being started if the sidestand is down and the engine is in gear the engine can be started with the sidestand up when it is in gear as long as the clutch lever is pulled in Note Keep in mind that electrical parts once purchased often cannot be returned To avoid unnecessary expense make very sure the faulty component has been positively identified before buying a replacement part 2 Electrical system fault finding Warning To prevent the risk of short circuits the ignition main switch must always be OFF and the battery negative terminal should be disconnected before any of the bike s other electrical components are disturbed Don t forget to reconnect the terminal securely once work is finished or if battery power is needed for circuit testing 1 A typical electrical circuit consists of an electrical component the switches relays etc related to that component and the wiring and connectors that link the component to the battery and the frame To aid in locating a problem in any electrical circuit and to guide you with the wiring colour codes and connectors refer to the Wiring Diagrams at the end of this Chapter 2 Before tackling any troublesome electrical circuit first study the wiring diagram see end of Chapter thoroughly to get a complete picture of what makes up that Individual circuit Trouble spots for instance can often be narrowed down by noting if other components related to that circuit are operating properly or not If several components or circuits fail at one time chances are the fault lies in the fuse or earth A ground connection as several circuits often are routed through the same fuse and earth ground connections 3 Electrical problems often stem from simple causes such as loose or corroded connections or a blown fuse Prior to any electrical fault finding always visually check the condition of the fuse wires and connections in the problem circuit Intermittent failures can be especially frustrating since you can t always duplicate the failure when it s convenient to test In such situations a good practice is to clean all connections in the affected circuit whether or not they appear to be good All of the connections and wires should also be wiggled to check for looseness which can cause intermittent failure 4 If testing instruments are going to be utilised use the wiring diagram to plan where you will make the necessary connections in order to accurately pinpoint the trouble spot 5 The basic tools needed for electrical fault finding include a battery and bulb test circuit or a continuity tester a test light and a jumper wire A multimeter capable of reading volts ohms and amps is a very useful alternative and performs the functions of all of the above and is necessary for performing more extensive tests and checks where specific voltage current or resistance values are needed to Fault Finding HAYNES Refer Equipment in the Reference section for details of how to use electrical test equipment 9

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