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I have an '06 Kawasaki Prairie 360 4x4. Three snorkels, 1 for intake and 2 for cvt. The bike runs great until the engine gets hot and then it wants to sputter when I give it gas at low RPM's. I just had the carb cleaned and adjusted. They fixed an idling problem and a misfiring problem. But still the same issue with sputtering when it's hot. If I remove the lid on the air box it actually cures the problem, so I thought at first there wasn't enough air in the mixture, but I have since tried to adjust the mixture and it will not adjust out the problem when it's hot. All that does is make it run bad the rest of the time when it's not hot. 2 1/2 turns out seems to be the best mixture, which is where they had it, so I put it back there. It runs great when it's cold, so I don't think mixture is the cause. If I hose the carburetor with cold water the problem goes away too. Vapor lock seems more likely the cause of what I'm experiencing. I need some tips on what works if anyone has had this problem and solved it. I fabricated a barrier between the carb and the engine and wrapped the exhaust with header wrap and the problem is less severe. I run the highest octane gas available, have not tried adding octane boost, but I read that it also helps. How about the carb heater? Should I disconnect the leads to that? I live in FL so I rarely have to worry about cold. Might try a small 2-5 psi electric fuel pump to keep the fuel pressurized all the way to the carb, that is supposed to work. This weekend I'm going to mimic a 3 psi pump and see if that will cure it. I have tried removing the fuel cap, that doesn't make a difference. It happens long before my fuel tank gets hot. The gas inside is not bubbling. after 10 minutes of hard riding it's hot enough to start sputtering. hose the carb for 3 seconds and it's fine. why do I always have these f'd up problems? lol I appreciate any tips. Thanks. Mike