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Discussion Starter #1
95 GSXR750W new coil packs leads caps plugs,carbs clean .Bike run fine first day,leave it over night do cold start misses pops 2km then fine,Next day cold start runs on 3 banks,thats it.One plug fowls up each time,dont burn oil,spent $1000 so far on finding a miss fire.Whats left CDI box and Trigger,? If i have to ill replace every thing.But be nice to spend it else where lol.:thumbup Any idears ? Runs beautiful till that 2nd or 3rd day.:gaahCheers Peter RTE38
RIP Rob :Martin
 

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Juvenile Thinker
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287 Posts
Is it always the same cylinder that fouls? If so swap plug wires with the sister cylinder and see if it follows or not. If it does its a cable, if not likely fuel delivery. Its a wasted spark system so both plugs fire at the same time 1 and 4, 2 and 3. Also make sure all your grounds are good.

To clarify, it ran great, then next day not so good, then day 3 worse and it has not gotten better since? If so a good carb teardown/clean is probably next in order.
 

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Premium Member
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3,416 Posts
Discussion Starter #3
Is it always the same cylinder that fouls? If so swap plug wires with the sister cylinder and see if it follows or not. If it does its a cable, if not likely fuel delivery. Its a wasted spark system so both plugs fire at the same time 1 and 4, 2 and 3. Also make sure all your grounds are good.

To clarify, it ran great, then next day not so good, then day 3 worse and it has not gotten better since? If so a good carb teardown/clean is probably next in order.
Thank you but all the above is new or been tried,but i think i found the problem,dirty wires to CDI so i give them a jiggle and fires up beautiful.But will road test and start it few days running just to be certain. Yes always same cylinder .Will give a update soon.Cheers Peter NSW Australia.
 
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