Question about 1988 Suzuki GSX 600 F (Katana)

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Hi i just got a 1988 gsx600f i put new plugs in it tuck it out for a ride and it was running good then i gave her a little gas to kinda see what it would do and it bogged so i idled it home and statred checking stuff it was only running on three cyclinders #1 wasnt firing exhoust was cold. turned it off played with some wireing around the coils started it again and it ran fine for a bit but then #3 stoped fireing exhoust was cold on #3..could it be dirty carbs or bad coils or something he bike sat for 4 or 5 munths before i bought it...thanks for the help

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Was the bike was running OK with the old plugs?
Try these checks:
1:Run the motor for few minutes and switch off.
2:Pull the plug lead off the offending cylinder
3:Fit another(known to be working) plug to the lead(leave existing one in the motor), start the bike and check for spark.
4:If there is spark, pull the original plug out and:
(a)if it is wet change the plug.
(b)If it is dry service the carbs
5:If there is no spark, it may possibly be wiring connections etc and you can get back to me. I doubt it is a coil issue as 1 & 3 will be fed from both sets.

Please get back to me if you require further assistance.

Posted on May 27, 2010

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It seems odd that your coils would play up, usally the they just stop working. You talk of it bogging down? , i would suggest that to be a carby problem, especialy if the bike has sat around for a while. first try to just drain the carbys, as you can do this without removing them, should be a drain screw or plug on the bottom of the carby. Make sure your air filter is clean too!

Posted on May 27, 2010

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