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| 906 paso no spark. bring on the revolution http://ducatipaso.org/forum/viewtopic.php?f=2&t=6611 |
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| Author: | dmartis [ Sat Mar 15, 2014 2:51 am ] |
| Post subject: | 906 paso no spark. bring on the revolution |
the never ending continuing saga ha. my 906 has no spark at the plugs. i have 12v + at the coils and i have 12v + going into the digiplex... i have tried a 2nd hand replacement crank angle sensor (cond unknown). i have new replacement coils to try (california cycleworks p/n 2vcoils) but these will reguire some mounting brackets etc to be made up before i can fit them), have tried the one feeding the rear cylinder loosely. my model has leads that can be removed so i have tried new plugs and leads. WHATS NEXT ???. Am i correct in thinking that the problem may be the digiplex. also has any one fitted these coils and are any other mods needed to fit them. i must nearly be through my apprenticeship ha ha. party on guys |
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| Author: | Mc tool [ Sat Mar 15, 2014 7:02 am ] |
| Post subject: | Re: 906 paso no spark. bring on the revolution |
Do you still have 12v at the coils and the digiplex while the starter is cranking ? . Make sure the digiplex is properly earthed . Where in NZ are you ? |
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| Author: | dmartis [ Sat Mar 15, 2014 7:19 am ] |
| Post subject: | Re: 906 paso no spark. bring on the revolution |
yes i do still have 12v while cranking. i presume im measuring it correctly at the digiplex ie i have the plug out and my multi meter into the 6th socket from the left (red). i am 1 hour north of auckland in wellsford nz. at this stage i am only testing the coil supplying the vertical cylinder but there is no spark at either plug. thank you 
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| Author: | paso750 [ Sat Mar 15, 2014 10:33 am ] |
| Post subject: | Re: 906 paso no spark. bring on the revolution |
| Author: | jrwizbang [ Sat Mar 15, 2014 12:00 pm ] |
| Post subject: | Re: 906 paso no spark. bring on the revolution |
I agree with the "check the ground" crowd. during my winter long paso rescue project the number one issue I had was bad ground wires and loose connectors. |
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| Author: | dmartis [ Sat Mar 15, 2014 9:57 pm ] |
| Post subject: | Re: 906 paso no spark. bring on the revolution |
thanks guys, the ground seems ok i guess. i put my meter in pin 10 and 6, had 12.8v at rest and 11v while cranking. is it possible it is the pick up still and how can i test it. i purchased second hand from a ducati spares who said it was from a running bike but i have my doubts. the bike has been in the shed for a year plus. it all started when it was running fine then after a very short ride would drop down to one cylinder it seemed and jerk its way back to base. once cooled it would start again until finally it would not start. the earth at the regulator was loose and i have now secured it but it seemed to make no difference. hmmm really appreciate all your suggestions. party on |
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| Author: | nickta [ Sun Mar 16, 2014 8:18 am ] |
| Post subject: | Re: 906 paso no spark. bring on the revolution |
| Author: | paso750 [ Sun Mar 16, 2014 10:22 am ] |
| Post subject: | Re: 906 paso no spark. bring on the revolution |
You didn`t confirm if you have the 12V directly at the coils. Do you ? If so set the multimeter to ohms and see if you measure a short between pin 9 of the ECU and the connector of the horizontal coil (pink wire) then do the same with pin 11 and the vertical coil (yellow/grey wire) just to be sure the connections between the ECU and the coils are ok. Then make sure the ground connection from the battery to the frame and engine is clean and tight. The vacuum hose only controls the advance so if that wasn`t ok you still would have spark. The only other thing I could think of which impacts the ignition is the gap between the pick-up and flywheel. It would have to be too wide to send no signal to the ECU but this isn`t something that changes over time so it`s unlikely to be the issue. Just be sure that on your new used pick up the washer of between it and engine case has the same thickness as the old one. If the wiring is ok I'd be leaning towards the pick-up or the ECU as chances are lower that both coils, both ignition wires or both sparkplugs go bad at the same time. |
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| Author: | lane1feathers [ Sun Mar 16, 2014 9:23 pm ] |
| Post subject: | Re: 906 paso no spark. bring on the revolution |
Do you have a relay installed for the coils? If so it may be old, cheap, faulty, etc and not switching properly. Also the earth to it may need cleaning. Check out my thread 'The story so far' about ground wires from relays. Also (and this may seem like a silly question to most on here, but let's cover all bases) are you resting the plug against the head while testing for a spark? If not you won't get one while testing but may infact be getting good spark while riding and the fault may be something else like rust in the tank clogging your filter reducing fuel flow which will make it sputter and fart back to base. |
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