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  1. Cronullalad

    High resistance in Secondary Winding on Ignition Coil

    Sorry guys, I haven't had the opportunity to go down to run some more tests lately.......will try again this weekend.
  2. Cronullalad

    High resistance in Secondary Winding on Ignition Coil

    Thanks snikwad003........the more I think about it the more i am convinced there is a severe restriction there.
  3. Cronullalad

    High resistance in Secondary Winding on Ignition Coil

    Hi Wrench, Thanks for that info. Will check on the weekend. I did have another thought, I'm wondering if the fuel tank breather is blocked or severely restricted...reason is late yesterday I was flushing the engines and both worked perfectly....no sign of a fuel issue. Again will have to want...
  4. Cronullalad

    High resistance in Secondary Winding on Ignition Coil

    Hi all, seems like the problem might have been the plug wire and cap connection joint.......since reseating both joints on both ignition coils, things seem to have settled down. The "bad" engine revs from 1500 up to and holds at 3000 ~ 3500 rpm without a problem.....then the next problem kicks...
  5. Cronullalad

    High resistance in Secondary Winding on Ignition Coil

    Hi Chester, Thanks...I just rechecked the manual, it suggests the caps have 10 ohm resistance, I guess there are different brands out there that will have different resistances. To my knowledge my meter is accurate.
  6. Cronullalad

    High resistance in Secondary Winding on Ignition Coil

    Hi Wrench, caps all test OK at 9k ohms. Have put an inline tester on both engines.....but the port engine starts OK, then you can see one cylinder with erratic spark. How can spark from the coil divide to limit one cylinder.....this morning I trimmed the spark plug leads on both ignition packs...
  7. Cronullalad

    High resistance in Secondary Winding on Ignition Coil

    The engine goes down to running on one cylinder when the engine warms up. Will re test tomorrow with the engine warmed up. Thanks again gfk for the offer......have used both my current coils on this engine and the other good one.....both coils appear to be good.
  8. Cronullalad

    High resistance in Secondary Winding on Ignition Coil

    I didn't want to do any damage.....its not really very happy running on one cylinder. Will give it ago tomorrow.....hot !! Thanks
  9. Cronullalad

    Experienced Seadoo Mechanic ??

    Hi gfk, No problem is still ongoing.........posted again yesterday under "High Resistance in Secondary Winding on Ignition Coil" Please have a look and advise if you have any ideas on my findings so far. Thanks for staying in touch.
  10. Cronullalad

    High resistance in Secondary Winding on Ignition Coil

    Correct, 2 engines and two separate coils. Have swapped the coils over and have the same result. Have this morning installed the test harness and static tested Trigger Coil....should be between 190~300 ohms....mine is 259 ohms.....so should be ok, Then checked the good engine just for a...
  11. Cronullalad

    High resistance in Secondary Winding on Ignition Coil

    Hi all, I have a 1998 Seadoo Challenger 1800 where the port engine has recently chosen to run on one cylinder once warmed up. In checking the resistance on the secondary windings of the Ignition Coil (spark plug caps removed) my meter registered 20.5k oms but the manual suggests the reading...
  12. Cronullalad

    Experienced Seadoo Mechanic ??

    Hi all, Sydney is a good place to be but it is true, if the job goes so do you. But this is not a unique action, I was working in New York in the early 90's, same thing happened to me over there.......a week and a half later I had packed up the house and family and flew back home to Sydney.....
  13. Cronullalad

    Experienced Seadoo Mechanic ??

    Hi all, Can anyone recommend a good mobile mechanic with experience on Seadoo Challanger 1800's and is preferably located in the southern suburbs of Sydney ??? I have an spark ignition problem which really has me confused so have decided to call in the experts..........any help in identifying...
  14. Cronullalad

    Ignition Coil - to suit 787

    Hi IDoSeaDoo, Yes, normally I would agree but after swapping the Ignition boxes between engines I was convinced it was the issue. As i mentioned above to gfk, the problem seems to have been just a slightly loose connection. Really appreciate the new contact for parts...I sure there will be...
  15. Cronullalad

    Ignition Coil - to suit 787

    Hi gfk, thank you for your very generous offer. Late this afternoon I discovered that the securing bolt holding the 3 black wires below the coil was marginally loose, I nipped it up and bing-go every thing worked sweetly. Again, thanks for your offer.....hope you get back on the water soon.
  16. Cronullalad

    Ignition Coil - to suit 787

    Hi all, Is there a replacement Ignition Coil available to suit my 1998 Challenger 1800 fitted with twin 787 engines. All my searching shows that Ignition Coil P/N 204470236 is no longer available....is there an alternative P/N available ??? Thanks for your help.
  17. Cronullalad

    No solid Spark on one 787 engine in Challenger 1800...cranks but won't start !

    Hi all, Success !!!!!!! Its marvellous what a battery with a full charge will do for you. Following installation of a battery with a full 12.7 volts, both engines roared to life and were charging at 13.5 volts. Fuel, although a concern in the early stages, was not the problem.....well other...
  18. Cronullalad

    No solid Spark on one 787 engine in Challenger 1800...cranks but won't start !

    The battery is only 6 months old but it was at only 50% of charge after spending several hours of intermittent cranking so have removed and have it on charge now. Given the low charge in the battery would that have affected the spark strength when turning over ??? Will check the voltage drop...
  19. Cronullalad

    No solid Spark on one 787 engine in Challenger 1800...cranks but won't start !

    Have had limited success....... Can now confirm that Trigger Coil is active and shows 0.3Vac when turning engine over, also noted that the rev counter is registering when turning over (helps to confirm that the trigger coil is in place). Also now have spark to both plugs on the bad engine but...
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