I have a 2000 175 Johnson. When I flush or test the outboard out of water (with an attached hose) it starts on the first or second try cold. No problem. But when I put in at the lake, it takes 2 minutes or so to start. Am I missing something here? When it starts at the lake, it runs fine and is good for the day. I figure there must be something submerged in the water--the exhaust?--that's affecting the start at the lake. One of my concerns is that I'll drain my cranking battery at the lake. I just bought the outboard, so I haven't learned too much yet. Any advice would be appreciated. Thanks.