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Discussion Starter #1 (Edited)
Hi folks ! my 96 fourtrax 300 is hard to start after sitting a few day.. after a few try, it start but i need to hit the throttle and when it finally start.. smell the gas. It runs great, good throttle response and good performance. If i ride it, turn it off and start it again in the same day, he start just fine ! I try the primer on the carburetor and it seems worst.

Any idea ?
Thanks :)
 

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how old is spark plug??
maybe time for a new one?

how does your OIL smell, no fuel smell to it is there?
might have a sticking float and its flooding things when it sits, which if you have fuel in your oil, that can lead to bigger problems for you
if so, CLEAN carb, and change oil and oil filter ASAP!
 

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I agree with mrbb. It sounds to me like you are explaining a seeping float valve in the carb issue, causing the motor to flood with fuel as it sits. If your bike has a petcock on it, try turning the fuel off before parking the bike to help minimize any leaking and flooding until it has been fixed.
 

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As a preventive measure I put a little SeaFoam in my gas and it's made a big difference on startup. However, I don't think just SeaFoam will be solving your case for now. Maybe time to inspect your carb.

Bonne chance!
 

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taking Retro's advise to the next level , turn off the petcock and let it run till it dies , then the next time you go to start it and after turning on the petcock and priming the carb it starts right up then you will know it was the carb seeping gas while sitting , and like MrBB said check your oil as it might be thinned out from gas getting into the cylinder and past the rings into the crank case
 

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^^^^all the above excellent ideas
There is also a seal on the primer assembly. Mine used to leak and drain the gas tank. If you don't find fuel on the floor it's a question of whether there's too much or too little fuel at the carb after sitting.
Sounds like for you it's too much. Sea foam initially might restore function but def check oil
 
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