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  1. J

    250 v-max water pressure problems

    I HAVE A YAMAHA 250 WITH WATER PRESSURE PROBLEMS. WHEN I AM RUNNING 17-18 LBS. PRESSURE I AM GOOD TO GO BUT IF I BUILD MY PRESSURE TO 20 LBS. IT WILL SLOWLY START FALLING TO APPX. 5 LBS I HAVE TO STOP AND START OVER AGAIN. NOT OVERTRIMMING OR BLOWING OUT.ANY IDEA?
  2. J

    yamaha water press

    have a 250 v max that is loseing its water pressure when it hits appx 20 psi.i am not over trimming it as long as you keep it around 15 psi.its ok but if you get into it and build you pressure to 20 psi. it will slowly fall to about 5-8 psi.any help would be appreciated.
  3. J

    2001 yamaha 225 stalls & idles poorly

    my problem is low idle when engine is warmed up, and stalls when i try to shif into gear. whenever i do get it into gear and accelerate lightly it misfires badly up to appx. 2000 rpms. but if you nail it theres no misfire.i have installed new plugs, and cleaned the 02 sensor. The fuel is new...
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