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[terrye]

i let my boat idle with the flush kit on for about 15mins trying to get the engine to smooth out before i shut it off it made a funny sound like a vibrating sound , I was told i should never flush it for more than 5 mins or i can damage the carbon drive shaft ring ,is that were the sound was coming from ,well i put new plugs in and ran it for a minute and wow that smoothed it out ,the boat only has 13 hrs on it they were the original ones ,now i will put new in it every year so should i back it into the water on the trailer to see if it is leaking ,if it dosent leak do i need to start it to see if it leaks thanks anyone who could help