Question about 1972 Yamaha DT 360
Hi, Greener_dude nice novella and the usual suspects are:
1. Fouled spark plugs.
2. Severely discharged or a damaged battery should have 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 batteries fail in this scenario more so than lead acid batteries.
3. Check 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 if necessary.
4. Loose connection at ignition coil or plug between ignition sensor and module.
5. Spark plug cables in bad condition, shorting/leaking, spark plug cable connections loose check for spark leakage in the dark.
6. Faulty ignition coil or electronic control module.
7. Faulty CKP, CMP, or BAS sensor.
8. Faulty ignition switch.
9. Tilt sensor needs a reset.
10. Security alarm failing to disarm needs reset
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Posted on May 23, 2017
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Posted on Jan 02, 2017
SOURCE: No Ignition
There is no way to check the CDI boxes that I know of. If your pick ups are good, and everything else checks out, that would be suspect. Make sure the wiring going to all of the components have good continuity, and make sure you haven't blown a fuse. Beyond that, it sounds like your problem. You may be able to have it repaired if you have an electronics repair shop in your area.
Posted on Jul 02, 2009
the ignishion coils has about 20,000 volts in it and that takes a lot of holding back, if there is the slightest crack or its got wet then these volts will forse there way out the problem is once they have found a way out they leave a track of carbon and they will all ways find that track after that you can clean it as much as you like but you will never get rid of the track, the best thing to do it change all the parts that are shorting out but pack the joints with silicon grease this should stop water getting in again and stop it from shorting out as for using insulating take that is far to thin to hold back 20,000 volts as the spark for that can jump over 1/4 of an inch just look how thick the plug leads are? and they only just hold it back
Posted on Jan 14, 2010
Testimonial: "Thanks, thats pretty much along the same lines i was thinking. I've got a few more questions which i've added to the post. Thanks!"
I haven't worked on that bike in 30 years, but as I recall, the black wire goes to the points. The coil grounds via the mounting bolts.
Posted on Jun 20, 2010
SOURCE: 1972 Yamaha RT2MX (360cc) stator
the 72 rt2mx does not have points but the 73 mx 360 does i have a 72 i am working on now an it is back firing when i kick it. not bad seeing how it has been sitting 10+ years. goin to research the timing settings an get this baby riding again
Posted on Feb 08, 2012
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