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by mike in idaho
Wed Jun 26, 2019 4:50 pm
Forum: Honda: Other Twins
Topic: Running a capacitor on my CA160. How can I save me bulbs?
Replies: 1
Views: 2617

Replace the original rectifier with something like this: https://www.amazon.com/dp/B07H38C7D4/ref=sspa_dk_detail_4?psc=1&pd_rd_i=B07H38C7D4&pd_rd_w=z3eOn&pf_rd_p=8a8f3917-7900-4ce8-ad90-adf0d53c0985&pd_rd_wg=TELMw&pf_rd_r=GZ45S85W686HPFF0JPQ7&pd_rd_r=eda944a3-985b-11e9-80a3-a18782f7606f It has an in...
by mike in idaho
Sun May 12, 2019 11:09 am
Forum: Electrical - Wiring
Topic: "hot wire" a CA77 without ignition switch?
Replies: 4
Views: 1715

You just need to get battery voltage to the black wire. Run a wire from the battery post to any black wire in the harness: brake light switch, starter relay, neutral light socket(in the headlight), turn signal flasher. Old wiring diagrams show two black wires on the horn, one is power and the other ...
by mike in idaho
Mon Apr 29, 2019 6:37 pm
Forum: Electrical - Wiring
Topic: How to run a CB77 without a battery?
Replies: 44
Views: 39631

The main reason for using 4 ohm + impedance coils in this application is to keep the current load down for the points. Super low impedance coils mean burnt points. Amps times volts equals watts, the total watts needed to fire the spark plugs remains the same, use whatever coils are compatible with t...
by mike in idaho
Wed Apr 24, 2019 9:05 pm
Forum: Electrical - Wiring
Topic: How to run a CB77 without a battery?
Replies: 44
Views: 39631

The current output from the stator wires is a/c, alternating current. A capacitor will not store a/c current, only d/c current, that's why you need a rectifier. Also the coils you have are designed for d/c current, they will work very poorly(if at all) on a/c. Some sort of regulator is also needed t...
by mike in idaho
Wed Apr 24, 2019 6:19 pm
Forum: Electrical - Wiring
Topic: How to run a CB77 without a battery?
Replies: 44
Views: 39631

It wont run,wired like that. The lead from the condenser is to be connected to the same terminal as the wire from the points(marked minus). The plus marked terminal of the coil is connected to a source of 12 volts. You need the stator leads wired to a rectifier to have a source of 12 volts, also you...
by mike in idaho
Thu Apr 18, 2019 8:53 am
Forum: Honda: Other Twins
Topic: What are the symptoms of the cam picking up in the head ?
Replies: 4
Views: 5477

Remove the points cover and back off the valve adjustments to relieve the spring pressure on all the rockers. Now grab the end of the spark advancer and try to move it up and down. If the cam end bearing is still in good shape there should be very little(if any) movement there.
by mike in idaho
Mon Mar 25, 2019 6:50 pm
Forum: Electrical - Wiring
Topic: How to run a CB77 without a battery?
Replies: 44
Views: 39631

If you take that old switch to a locksmith and show him the number on it he may be able to make you a new one. Ok so another question now :) Is it possible to go keyless? I need this thing "bare bones" think of XR80 style wiring bare bones..Kickstart only with a kill switch easy. I literally just n...
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