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Post by skuttadawg on Dec 19, 2013 22:28:41 GMT -5
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Post by tvnacman on Dec 20, 2013 9:43:35 GMT -5
Well ? Your welcome to pick up the phone or keep it here .
John
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Post by Abscooters on Dec 20, 2013 12:50:59 GMT -5
Thanks Skutta,
I'm not going to pop an ECU in unless I know it is an exact match and I change the Reg too. And throwing $ at it is not what this customer wants to do. Kind of figured it was Ducati as that is what Fuel injection they went with.
12 or 18 doesn't make a difference, it is running off the DC side, I haven't popped the cover off either, that is what I am trying to avoid. The connector that scrappy has pictured is not what is coming out of the motor.
But maybe I will try it off the AC side with an AC CDI, got plenty of those in stock.
Am getting 5-6 AC volts off the pickup coil, tried putting a load on it in series before the CDI did nothing.
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Post by tvnacman on Dec 20, 2013 14:33:08 GMT -5
Put it in parallel to load it down the pulse coil voltage .
John
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Post by Abscooters on Dec 20, 2013 15:14:30 GMT -5
Parallel, no spark at all, series same result
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Post by tvnacman on Dec 20, 2013 17:48:57 GMT -5
try a smaller resistor ohm resistor .
John
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Post by JR on Dec 20, 2013 21:17:10 GMT -5
www.thescooterprofessor.proboards.com/thread/766/cfmoto-qlink-manuals
Click on the 150 EFI Charm Service manual.
Lets look at the firing system on this scooter in original form.
Two things stick out. The coil is fed from the battery and the ECU unit and the pulse coil should be a two wire type.
Only thing that I can think of that can make a system spark continuously with just the key on.
The pulse coil feed wire has crossed with a wire somewhere giving it a continuous voltage instead of an interrupted voltage feed which is telling the system to fire continuously.
Dave did you change the coil to match the CDI? Also you might test the voltage on the pulse coil feed wire from the stator with the key on and see if it does indeed have voltage, as we know it should be dead until you turn the engine over.
Also according to the diagram the pulse signal coil is two wire a positive+ and negative-. Most standard DC type CDI pulse coils are one wire positive+ with the ground ending at the to body where it bolts up to the engine case. It's possible that without it grounded it may be sending a voltage signal continuously? Also you need to check the engine for proper grounding now that you've changed it to the old style system.
Lastly are you sure you wired the new CDI correctly?
JR
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Post by tvnacman on Dec 20, 2013 22:54:47 GMT -5
looks like pin 15 and 16 are the pulse coil wires .
John
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Post by Abscooters on Dec 21, 2013 1:23:28 GMT -5
This is totally wired from scratch ECU is gone & new ignition circuit is totally independent of the main loom. CDI is wired properly, coil matches. Have tried multiple dc cdi's & coils . The pulse trigger is a 2 wire type.
From that diagram it looks as if there is a diode involved. I tried a schottky, thinking that may be it, but didn't work. I don't know if I will have time to mess with it tomorrow.
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Post by JR on Dec 21, 2013 22:15:34 GMT -5
Diode or no diode the only way a CDI can fire constantly is to be told to do so via the pulse wire input to it. As we both know Dave a CDI on a scooter fires on the exhaust and intake stroke so either the pulse coil was originally triggered differently for the ECU or somehow it's sending a solid unbroken current to the CDI you are using?
I would ground one of the wires to the pulse coil and use the other wire to go to the CDI, you have nothing to lose.
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Post by Abscooters on Dec 23, 2013 9:42:51 GMT -5
That is how I have had it wired on most tries. I think the trigger is just bad or it is an ecu version(more likely) that is much more sensitive and it is picking up voltage from the inner magnets instead of just the bumpout timed magnet. We are coming to the same conclusions, thanks JR and everyone else for your help and Merry Christmas  I'm just hoping it matches to another trigger instead of having to order the qlink version which doesn't have an ecu. Guess I'll be tearing it apart. |
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Post by tvnacman on Dec 23, 2013 10:31:38 GMT -5
I would like to see the out come .
John
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Post by urbanmadness on Dec 23, 2013 15:04:18 GMT -5
Are you sure that the pulse comming from the pickup was for ignition with the old ECU? I'm thinking that the ECU used more then one pulse to figure it's timiming.... take a good look at the flywheel and see whtere the pickup mags are....
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Post by Abscooters on Apr 10, 2014 10:13:28 GMT -5
Well finally got around to tearing into this, we moved in January, so that was more a priority.
Anyway, it is an 18 coil stator almost looks like the linhai 260, dimensions match. Anyway Ding Ding Ding, UrbanMadness was right. There is pickup coil trigger magnets all the way around the thing, like 20 of them, and it is stamped Ducati too. Stator is going, pickup coil is going, rotor is going and this thing is getting out of here, MRP had the parts in stock.
Leave it to CF-moto to stick Ducati Parts in a chinese scooter, AAARRRGGH.
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Post by urbanmadness on Apr 10, 2014 10:41:46 GMT -5
Well finally got around to tearing into this, we moved in January, so that was more a priority. Anyway, it is an 18 coil stator almost looks like the linhai 260, dimensions match. Anyway Ding Ding Ding, UrbanMadness was right. There is pickup coil trigger magnets all the way around the thing, like 20 of them, and it is stamped Ducati too. Stator is going, pickup coil is going, rotor is going and this thing is getting out of here, MRP had the parts in stock. Leave it to CF-moto to stick Ducati Parts in a chinese scooter, AAARRRGGH. Cool!!!! At least if it comes up again, we can tell someone what needs to be done! The ECU probably controls the spark and advances timing, along with fuel management and it makes sense when you think about it. I have to wonder if just changing the stator rotor would be enough? |
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