As Angelix has pointed out,relays are often the source of many electrical issues and should always be a prime suspect.
Corroded, broken or loose terminations would rank second only to the relay as electrical enemy number one
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| Bike stops running http://www.ducatipaso.org/forum/viewtopic.php?f=3&t=4350 |
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| Author: | dennist [ Wed Oct 06, 2010 4:48 am ] |
| Post subject: | Bike stops running |
'92 907IE in great shape, has always run fantastic, dealer maintained, 27k miles. Riding the other day when the bike "hiccuped" once and then 5 seconds later motor shut off for 2 seconds and then restarted like nothing happened. Was doing about 60 mph on hiway. Then 3 days later when riding same conditions the bike stopped running completely, gave throttle back and forth thinking might be fuel related but no response and then motor started right up again in about 5 seconds. Ran just great the rest of the way home. I thought might be fuel or fuel pump related but it must be something else as motor turns off in an instant and then restarts like nothing has ever happened. Electrical? Injection? Any ideas where to start checking to find the problem? Bike was running about 172 degrees so not hot. Fuel has been fresh all summer and bike ridden all summer. One of those problems that cannot be duplicated in a shop or at riders will. Help! |
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| Author: | angelix [ Wed Oct 06, 2010 2:29 pm ] |
| Post subject: | Re: Bike stops running |
| Author: | Fast Eddie [ Wed Oct 06, 2010 5:15 pm ] |
| Post subject: | Re: Bike stops running |
| Author: | du907 [ Thu Oct 07, 2010 3:13 am ] |
| Post subject: | Re: Bike stops running |
Check fuel pump relay, may be getting weak. I would check the plug (amp type) on the left side frame just below the back corner of the gas tank. Remove the side cover to get to it, there should be two connectors zip tied to the frame, one I think is made of white plastic, it will not run if this plug is loose. Also check the plug going into the ECU under the seat. Remove the right side cover to get to it. There is a metal clip that catches a tang on the plug, could be coming loose from vibration. I use a zip tie here so that it doesn't come loose, left me on the side of the road and after trailering it home I spent a lot of trouble shooting time before I noticed it. du907 |
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| Author: | dennist [ Thu Oct 07, 2010 3:37 am ] |
| Post subject: | Re: Bike stops running |
Thanks guys for the checks to do. I will take off all the body work and while running check/wiggle every electrical connection I can get my hands on. It must be a loose connection since the bike has and does run so strong all the time and then just stops and starts like majic! Will let you know the results. |
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| Author: | angelix [ Thu Oct 07, 2010 10:21 am ] |
| Post subject: | Re: Bike stops running |
| Author: | dennist [ Thu Oct 07, 2010 11:57 pm ] |
| Post subject: | Re: Bike stops running |
Last year I cleaned all contact points for battery and starter and installed new battery. At that time bike was slowly firing up and this procedure completely cured that. But will double check all contacts to make sure nothing has occured over the year. Thanks. |
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| Author: | persempre907 [ Fri Oct 08, 2010 8:44 pm ] |
| Post subject: | Re: Bike stops running |
| Author: | Fast Eddie [ Wed Oct 13, 2010 1:04 pm ] |
| Post subject: | Re: Bike stops running |
| Author: | Tamburinifan [ Wed Oct 13, 2010 2:12 pm ] |
| Post subject: | Re: Bike stops running |
Two of them, one on each side of the collant impeller housing on the alternator cover. Follow the wiring, you`ll see two connection to the ECU. |
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| Author: | dennist [ Fri Oct 15, 2010 4:43 pm ] |
| Post subject: | Re: Bike stops running |
Ok, I took all the fairings off and left the gas tank on. Ran bike and wiggled every connector that I could find, bike still ran perfect. Removed tank and checked all connectors there. I took off all connectors, cleaned them, greased them and reconnected. The dealer is going to plug in the ECU to see if anything shows up on the Mathesis machine. Unfortunately 907IE electronics do not store codes, only shows up if the problem is there at the time of checking. Since stopping problem has shown up only 2 times, it is impossible to duplicate at the dealer. Dealer also suggested replacing all the relays. Question: How many relays are on the bike, I can only find 3 up by the rectifier. How many sensors are there, I find the two on the alternator cover, any on the injection system? I have a wiring diagram but not too clear on it. Also where can I get (USA suppliers) new sensors and relays that might be less expensive and just as good than dealer supplied? Thanks for the help, will let you guys know how I progress. |
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| Author: | persempre907 [ Sat Oct 16, 2010 6:53 am ] |
| Post subject: | Re: Bike stops running |
By my experience, I think it is not worth replace the relays. My mechanic checked the pickup sensors measuring its impedance. Really, I can't tell you more because of my weak electric skills. But, I'm sure some good friend here can tell much more about. Ciao |
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| Author: | Tamburinifan [ Sat Oct 16, 2010 9:51 am ] |
| Post subject: | Re: Bike stops running |
Download user & workshop manual here: http://ducatipaso.org/docs/907/manuals/ |
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| Author: | angelix [ Sat Oct 16, 2010 1:51 pm ] |
| Post subject: | Re: Bike stops running |
| Author: | higgy [ Sat Oct 16, 2010 2:48 pm ] |
| Post subject: | Re: Bike stops running |
As Angelix has pointed out,relays are often the source of many electrical issues and should always be a prime suspect. Corroded, broken or loose terminations would rank second only to the relay as electrical enemy number one
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