mercruiser 3.0 hard starting stalling at idle

natalie03

Recruit
Joined
May 30, 2009
Messages
1
1999 starcraft islander
Difficult to get started. In beginning of day.
Wants to stall at slow idle at first start of day. Or when first put in gear.
Stalls after coming down off plane (high r.p.m.) but will restart immediately.

Sometimes will bog for a couple seconds before getting on plane.
High R.p.m. runs fine.

carb issue? water in fuel?

runs great high rpm.s

i put 12gallons of fresh fuel this year
boat had fuel from last july aug in it. i put merccruiser fuel treatment in tank. should i run some seafome in tank for water issues??
Any help is appreciated.
Frustrated in macomb,MI.
 
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