Hi everyone been on here awhile but new to posting. Some GREAT info on these boards. First off I want to say sorry for the long post. <br /><br />I have a 1998 Well craft scarab, 7.4 thunderbolt ignition with a bravo one drive on it. I took the boat in for maintenance on it a few weeks ago. The boat ended up having a few problems that needed to be fixed. The gimbal bearing, and coupler were both worn and needed replaced, needed a new fuel line and they had to replace a coil. They did the regular maintance on it, replacing the plugs, distributor cap and rotor assembly, thermostat, fuel filter, gear lube and engine oil etc. I picked the boat up from their dock and drove it home. <br /><br />The next morning I went out, lowered the boat in the water and started it up. The boat started up fine and idled normally for 2 or 3 minutes, after a few minutes it started missing and nearly stalled out. I called the shop that worked on it and they sent their mechanic out to look at it. When he got there we started up the boat and ran it down the canal where I live. The boat ran fine. The timing was right on when he tested it. So that was that and he left. I ran the boat that afternoon and it seemed fine all around.<br /><br />The next day my wife and I decided to go out on it for the day. It did the same thing ran horrible when first started but this time the engine was idling high so I adjusted the idle and let the boat warm up, again once it was warm everything was fine. We were out all day with no problem. I stopped by the shop and told them I believe the problem was only when the boat was cold. They said they would send their mechanic out on Friday afternoon (tomorrow). So basically my question is does anyone have any idea what might be causing this? The timing is right on and it only runs bad when cold. Any help would be MUCH appreciated. I would like a little knowledge of what might be wrong, when the mechanic comes out tomorrow.<br /><br />Thanks for any help<br /><br />John
