Question about 1971 Honda CB 100
Posted by Anonymous on
Hi, Anonymous before testing any electrical component in the Starting System it is "IMPERATIVE" that you have a fully charged battery of 12.5 volts or more and be able to pass a proper "LOAD" test if necessary, you may have a preliminary reading of 12.5 volts or more but little or zero amperage, the battery is faulty and must be replaced. AGM type batteries fall into this scenario more so than lead acid batteries.
1. Ignition Switch not in the "ON" position.
2. Engine Run Switch in the "OFF" position.
3. Check the battery terminals for damage or corrosion check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter.
4. Bank angle sensor needs a reset or is faulty.
5. FOB battery low or dead.
6. Faulty ignition switch.
7. Faulty starter button.
8. Faulty kickstand, clutch, neutral safety switch.
9. Security alarm needs a reset.
10. Starter relay, solenoid, starter motor or circuit wiring faulty.
11. Starter armature or field coils have failed.
12. Main fuse or circuit breaker may be blown or faulty.
13. Faulty ignition relay.
14. The electric starter is working but starter clutch has failed.
15. Check for engine trouble codes.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
73 CB100 Won Start
1971 Honda CB100 can seem to get it started Fixxit
1971 HONDA 100 125 CB100 SERVICE REPAIR MANUAL Download Manuals Technical $10
Honda CB Owners Manuals
Posted on Aug 13, 2017
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Posted on Jan 02, 2017
That a loaded question,how can I tell you what to replace without seeing the bike .The normal thing if a bikes been standing for a long time is tyres and oil /petrol .brake lines any rusty parts I/E bolts and nuts .Brake pads or shoes .And a carb stripp down .and petrol tank flush out
Posted on Apr 14, 2010
make sure kill switch is not killing spark even in the run position. Chech all fuses (test them) make sure power to and from coil is there. the CDI is not repairable but could need replacing.(not sure if the cb 100 has this with points) is the condenser good? if it is it can be charged and discharged with a mulitmeter.(use ohms resistance to charge it and volts dc to read as it discharges CAREFUL it can BITE)
Posted on Apr 26, 2010
SOURCE: What replacement spark plug do
An NGK D8EA, Champion RA6HC, or Bosch XR4CS. Any of these should work. But to be sure, take your old plug with you to compare. The overall length may be different, but the thread length and pitch should be the same.
Posted on Sep 26, 2010
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