The following Electrical System and Wiring Harness apply for 1998 Honda NSR 125 series. Herein you will find detail information about the battery and charging system (troubleshooting), ignition system, starter system, lights, switch and horn, servomotor, and wiring diagram. The NSR 125 battery and charging system consists of ignition switch, regulator/rectifier, fuse and alternator. Battery capacity is 12 V – 4Ah, with charging current 0.4 A, and charging time 5 – 10 hours. With single phase/full-wave battery voltage detected regulator type, the charging system regulated 13.5 – 15.5 V at 5000 rpm. Alternator capacity is 0.168 KW at 5000 rpm, and charging coil resistance 0.3-0.7 Ohm (at 20ºC).

The ignition systems consist of ignition system, engine stop switch, ignition coil, pulse generator, CDI unit, spark plug and alternator. Spark plug uses BR9ECS (NGK) and W27ESR-U (ND), with spark plug gap 0.7 – 0.8 mm. Ignition timing is 24.3º ± 2 BTDC at 3000 rpm. Ignition primary coil resistance is 0.1 – 0.3 Ohm and pulse generator resistance is 180 – 280 Ohm.

Find the detail of 1998 Honda NSR 125 Electrical System and Wiring Harness here (40 pages of pdf file docs.)

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