Question about 1985 Ducati 750 F1

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Plug ok

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Quick story bought a 98 750 with 8000 k's on it and staintunes slip ons thinking i'll get some fun and good mileage. Anyway, it was running very rich and kept fouling plugs. So i thought i'd buy a dynojet stage 1 kit and aftermarket filter after reading some posts. Now its exact opposite, when i do a plug check its way too lean. After examining the jets it seems the mikuni originals are bigget than the new dynojet, so i swapped back, and colour of plugs is maybe slightly less white but still too lean. Any ideas or suggestions would be greatly appreciated,You better go back and see what you missed. I know I had my carb bank on and off so many times I thought I was good at it. One time, I forgot to do up the clamps to the intake manifold. Ran really lean. What about your float height? Did you set it to the new specs to the proper side? It's the square sided float, not the crazy shaped one. Did you put the new needles in with all the washers? From the top down, it's the clip, then the plastic one, then the bigger steel shim. They all need to go in. You must have missed something as those kits usually run richer.,,,

Posted on Nov 10, 2008

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Susuki 2005 GSX R 750 cranks over, has fulle ,no spark,tip switch is ok,Kick stand switch OK,Nutral switck OK,Clutch Switch OK, Kill Switch working,Fues OK, But want start,What is left to check?


Hi, Gene if you have a CKP sensor it needs compression to send the correct signal to the ICM/ECM, make sure both spark plugs are in heads and use a grounded third plug to check for spark or hold spark plug cable close to spark plug in the head. If still not getting spark the usual suspects are:
1. Fouled spark plugs.
2. Discharged battery, check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
3. Loose connection at ignition coil or plug between ignition sensor and module.
4. Spark plug cables in bad condition, shorting / leaking, spark plug cable connections loose.
5. Faulty ignition coil or ignition / electronic module
6. Failed CKP, CMP, or BAS sensor.
7. Faulty ignition switch.
8. Security alarm failing to disarm needs reset
For more information about your issue, please visit the websites below. Good luck and have a nice day.
https://www.tradebit.com/filesharing.php/search/0/2005+suzuki+gsx-r+750

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