2007 kfx 50 won't start please help!!
Apr 5, 2013 | 07:55 PM
#1
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Weekend Warrior
Joined: Apr 2013
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2007 kfx 50 won't start please help!!
Cleaned carb replaced gas lines, replaced bad gas ****,new battery, had no spark replaced ignition coil. I now have spark. Definitely shocked the grap out of me. I've got gas to bowl on the carb but the bike will not start at all. I was leaning towards the jet starter but not sure. Can anyone please help. Thanks!!
Apr 5, 2013 | 09:59 PM
#2
Pro Rider
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How long has it been sitting without running?
Was fresh fuel stabilized and run thru system prior to that?
Squirt a little fuel in thru the spark plug hole then put plug in, connect, and try to start. Check for spark just before you put the fuel in to make sure it sparks.
Air filter isn't plugged up is it?
Actually, right after you pull the spark plug, crank it and see if there seems to be plenty of compression. If in doubt, test it with a tester.
Was fresh fuel stabilized and run thru system prior to that?
Squirt a little fuel in thru the spark plug hole then put plug in, connect, and try to start. Check for spark just before you put the fuel in to make sure it sparks.
Air filter isn't plugged up is it?
Actually, right after you pull the spark plug, crank it and see if there seems to be plenty of compression. If in doubt, test it with a tester.
Apr 6, 2013 | 09:51 AM
#3
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Weekend Warrior
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Thanks for replying. No I forgot to run fresh fuel through it before it sat. Cleaned the carb good with clean and I let it soak in sea foam. I had also replaced the filter so that's good. It has compression. And fuel is in the carb. It sat for latest 5 months. But I will put some gas in the spark plug hole and check for spark. And I will check back in later.
Apr 6, 2013 | 08:08 PM
#5
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air, fuel, spark, compression, the main things that make an engine run.
Assuming the timing isn't messed up, I'd try some more fuel in the spark plug hole. If you have spark, the engine should at least act like it wants to run for a second.
Soaking in Sea Foam, IMO, probably is not doing much. I soaked some carb jets and float bowl in 100% fuel injector/carb cleaner because that's all I had at the time. Didn't do much if anything. I went to the auto parts store and bought Berryman's Carb cleaner dip in the gallon can and soaked the same parts and 20-30 minutes later the parts looked like new.
Also, the carb has so many tiny passages and you have to make sure all of those are clear.
There is another thread on here which has a link I put regarding how to make sure the passages are clear.
Assuming the timing isn't messed up, I'd try some more fuel in the spark plug hole. If you have spark, the engine should at least act like it wants to run for a second.
Soaking in Sea Foam, IMO, probably is not doing much. I soaked some carb jets and float bowl in 100% fuel injector/carb cleaner because that's all I had at the time. Didn't do much if anything. I went to the auto parts store and bought Berryman's Carb cleaner dip in the gallon can and soaked the same parts and 20-30 minutes later the parts looked like new.
Also, the carb has so many tiny passages and you have to make sure all of those are clear.
There is another thread on here which has a link I put regarding how to make sure the passages are clear.
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