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this motor will run fine from ramp when i accelerate once it gets warm and back off throttle does not want to go wide open again but once and while it will catch and go problem only seems to happen when motor is warm not cold have replaced fuel system, plugs ,rebuilt carbs ,fuel pump diaphram...
have 04 hpdi 250 has loss of power above 4400rpm back off throttle to 4400 runs fine.give it gas above 4400 and just constant hesitation once in while it will catch run fine for few seconds then wanna die till i back off the throttle to 4400 then ia runs great.I put in new plugs and water...
