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Post by snowrench on Jun 21, 2012 11:52:59 GMT -5
 OK, so I noticed the last couple of times I started my bike that it was even fussier than usual. My bike has never started with the choke on, and can be a pregnant dog when cold. She always starts easy when warm however. But I recently had a couple of times when she didn't want to restart when hot. She acted a little differently too, catching and running a few rpms, then dying again. She had been starting better with the kicker than with the button as well, but I had established good voltage and charging rates. Anyway, after a very difficult cold start, finally resorting to the kicker, I had her on "high idle" (which is what I think of the enrichener,) and I went back in the house to clean my helmet lens. Coming back out I noticed the bike wasn't running anymore....very odd. I then also noticed a deafening silence....no whine. So in my investigations I noticed that the whine was still there at times, just very inaudible. I also noticed that turning the key of and on sometimes produced a "blip" of full volume from the CDI. I did bypass the switch and harness and sent full battery voltage to the CDI orange wire at the block connector, but still only a weak warbley whine. I have also verified that the CDI does not ground through the case, but through the black and white wire, and that ground appears to be good. I think my CDI must be bad!!! Now I've got a spare on my "turd" bike; don't know if it works. Finances aren't going to allow me to purchase the new ignition system from RR at the moment, but I'm more inclined to do that than purchase another CDI off Fleabay. I figure if my CDI can fail at 3200 mi., then I shouldn't bother to buy another because apparently it's age that kills them, not mileage. Any thoughts?
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Post by raychappo on Jun 21, 2012 12:36:55 GMT -5
I've repaired a CDI unit in the distant past. A couple of the diodes in the unit had failed. It was very cheap & easy to repair. Its 70's technology so uses descreat components and is fixable. Its worth a try if its knackered  |
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Post by HGH 770N on Jun 22, 2012 2:18:47 GMT -5
I agree with Ray 70s technology and Wet and Damp conditions over time will corrode and chance the resistance and break down the components in the CDI unit.
Its well worth trying a repair before you Buy a replacement.
If you are unsucsesful i have several spare ones and a NOS one , send me a PM .
regards
Rog
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Post by snowrench on Jun 22, 2012 10:05:34 GMT -5
Well, the $300 I spent on the "turd" bike just paid for itself, as the CDI on it works. I tested it on the bench, with good results, put it on the bike and off I went. I will be buying the upgraded unit from RR one of these days. Unfortunately I was just layed off at work, and will have to curtail my usually profligate spending on motorcycle bits, which is especially hurtful right now, as a bunch of good stuff has come on Ebay..... I think I will attempt the repairs detailed elsewhere in the forum, so that I will have a spare CDI.
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Post by toystoretom on Jun 23, 2012 12:22:58 GMT -5
I tried to buy the electronic ignition from Jess and he told me they are out of stock at the moment. I put my name on the "list" should they make more.
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Post by Al Corelli on Jun 23, 2012 13:58:13 GMT -5
"Profligate"??
Oh! So there IS a word for that disease.
Same sickness here.
You will love the RR ignition. Flawless performance.
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OK, so I noticed the last couple of times I started my bike that it was even fussier than usual. My bike has never started with the choke on, and can be a pregnant dog when cold. She always starts easy when warm however. But I recently had a couple of times when she didn't want to restart when hot. She acted a little differently too, catching and running a few rpms, then dying again. She had been starting better with the kicker than with the button as well, but I had established good voltage and charging rates. Anyway, after a very difficult cold start, finally resorting to the kicker, I had her on "high idle" (which is what I think of the enrichener,) and I went back in the house to clean my helmet lens. Coming back out I noticed the bike wasn't running anymore....very odd. I then also noticed a deafening silence....no whine. So in my investigations I noticed that the whine was still there at times, just very inaudible. I also noticed that turning the key of and on sometimes produced a "blip" of full volume from the CDI. I did bypass the switch and harness and sent full battery voltage to the CDI orange wire at the block connector, but still only a weak warbley whine. I have also verified that the CDI does not ground through the case, but through the black and white wire, and that ground appears to be good. I think my CDI must be bad!!! Now I've got a spare on my "turd" bike; don't know if it works. Finances aren't going to allow me to purchase the new ignition system from RR at the moment, but I'm more inclined to do that than purchase another CDI off Fleabay. I figure if my CDI can fail at 3200 mi., then I shouldn't bother to buy another because apparently it's age that kills them, not mileage. Any thoughts?
