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03-07-2014, 10:45 PM | #1 | |
Join Date: Apr 2006
Location: South Haven Michigan
Posts: 225
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New parts or not..many arrive unserviceable.. I order CDI's for example in lots of 10 from my wholesaler..and always 2-3 of those are dead on arrival. Chinese QC is not like Japanese..German or Italian QC. Lastly by trade I am not a certified mechanic..but a retired military medic..who later became a cardiac nurse..then gave that up to run a scooter parts/repair shop. It's just me so I get to be my own boss and everybody enjoys working for somebody they really like..lol.. But..anyway..the above is my 2 cents. I see pickup coils fail often and they exhibit exactly what you describe. Lets hope it is a simple as that. Btw..what was the voltage you got from your pickup coil initially..then again after the spark weakened after a few cranks on the engine. If you see a voltage difference before and after that..well you pretty much have all the evidence ya need I would think.. Glenn P.S. Does the hot wire from the stator to your CDI also drop in voltage after a few cranks? Cause the stator is a coil too..so all the above things that affect a coil..will affect that coil as well.. |
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03-07-2014, 11:18 PM | #2 | |
Join Date: Mar 2014
Posts: 13
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The stator seems fine, it's showing +/- 80Vac consistently measured from the red/black wire at the CDI connector. I'll have to measure the trigger tomorrow, I hadn't thought to check it in comparison to the CDI output. I don't know how useful my VM is going to be at measuring that small and brief of a voltage, but we'll see what happens. One other thing - What are the odds of the trigger problem being in the magneto rather than the coil itself? I've tapped it with a small screw and felt no pull from it at all.. Last edited by FlyingBlindOnARocket; 03-07-2014 at 11:27 PM. Reason: Addition |
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