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Discussion Starter · #1 ·
i have a honda 300 ex i just picked up. i only know the basics about engines and not much more.i had a gas leak problem on the carb were the floats were stuck and it was dumping gas,and then i found a crack in the tank. i was riding it and everthing was working till i seen the leaks and then i stopped.i then took of the carb off and replaced the pin for the floats and used some silicone on the crack in the tank. all this worked to stop the leak but when i put it all back together i can not get the engine to fire over.the neutral light is on and there is spark, im not sure about compression or how u know but i took of the spark plug off and put my finger on the whole and it blows air . i sprayed starter fluid in there and still nothing.i have a 2002 also and swapped carbs to see if that was it and it worked in the 2002 so i know its not the carb.i tried the carb from the 2002 in there and nothin.what could of happened? thanks for the help i really appreciate it the charge way to much at the shop id rather pay myself to learn.
 

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no fuel is reaching the carb..sounds like it to me..your float is stuck in the closed position.
 

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He swapped out the carb I think i would check to see if the fuel is on and it has spark first also make sure you are not in reverse
 

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Make sure gas is flowing from the gas hose. The silicone might have got in the gas hose and stopped it up.
 

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Welcome to the forums.
 

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when your carb was leaking it may have filled the crank case full of fuel. check your oil and make sure it doesnt smell like gas. if it filled it enough that would cause a no start problem.
 

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when your carb was leaking it may have filled the crank case full of fuel. check your oil and make sure it doesnt smell like gas. if it filled it enough that would cause a no start problem.
good call !..some how..no fuel is reaching or going through the jets.
 

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welcome chris looks like you found the culprid very cool as far as your tank repair watch for it to start leaking again if it does try some epoxy or tank repair kit stuff i carry an bar of ivory soap in my truck to stop fuel leaks if i ever need to it reacts to gas and will last a long time if need be
 
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