won't start

So I have a 1988 Sea Ray Amberjack 270 fitted with two i/o mercruiser 5.0 bravo III stern drives with fuel injection system. Engines have about 700 hours on them. Ran a compression test at end of season last year and everything was in good order. Spark plugs looked good. Marina winterized it...

So I have a 1988 Sea Ray Amberjack 270 fitted with two i/o mercruiser 5.0 bravo III stern drives with fuel injection system. Engines have about 700 hours on them. Ran a compression test at end of season last year and everything was in good order. Spark plugs looked good. Marina winterized it...

I have a 1998 Sea Ray 37 EC with 454 7.1 Horizons inboards.when I start engine cold they run great for hours. When I stop engine for 3-4 hours they won't stay running. backfire, no idle try everything.wait 3 more hours there cold and they start right up and run great. they will also start if...

I have a 2008 Sundancer 240. Was running great but suddenly will not turn over to start... Not even starter fluid could get it to go. Replaced all 8 spark plugs - same problem. Please help!

Hey there... 300SLX here with Axius. Don't use the joystick often but last week, among wind and rain, I grabbed it - bad idea. System started beeping and said, "Shift Error". Then all steering stopped working properly - almost took out my neighbor's dock. Got things back under control and...

My 2007 mercruiser 6.2 mx MPI cranks fine but won't fire up. Batteries are ok. I checked the fuel and the engine is getting roughly 40psi so I don't think the fuel is the issue. Spark plugs seem to be working fine too so I cannot figure out why it won't fire up. Any advice would be much...

I recently experienced a baffling problem that resolved itself. Neither engine would start and neither helm EMS instruments would power up. Both batteries were good but I had no voltage at either of the ignition key switches at the main breaker panel. After an hour of troubleshooting the problem...

Had happened twice now... when I turn key, it does nothing... can here (can't think of name) piece spinning which is normal... but then engine never tries to turn over... once boat is started works perfect. Battery, alternator, and has plenty gas... If I out throttle button on shifter in...

Good evening Club SeaRayers... I have a 340 DA and the generator won't fully start. I have run it at least once ever two weeks but yesterday, got nothing. I hold the Preheat for a couple of seconds then then the start run button. It turns over but won't stay on - any ideas??? The light at...