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After a oil change the engines top out at 2500 rpm under
After a oil change the engines top out at 2500 rpm under load. In neutral they easily go up to 4000 They engines have been checked On computer & are fine. Have been told a low oil sensor could cause p… read more
Jason
Jason
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Vocational, Technical or Trade School
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350 mag. Engine runs fine up to 3200 RPM. Engine backfires
350 mag. Engine runs fine up to 3200 RPM. Engine backfires and sensor alarm goes off. Constant alarm. Once engine is under 2000 rpm it runs fine with no alarm.… read more
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Jason
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I have 2003 Sea Ray 240, with Mercruiser 496 Mag Bravo
Hello, I have 2003 Sea Ray 240, with Mercruiser 496 Mag Bravo 1, with the SmartCraft monitoring system. The boat has recently had a lot of regular maintenance done, including new water pump housing, i… read more
briggs archer
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master marine mechanic
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I have a 1999 mercruiser 350, I got a long block about 15 hours
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Engine starter went, the gear housing split apart while try
Engine starter went, the gear housing split apart while try too start the engine then simulateous the engine backfired, don't know which came first. Got one tooth that has a small knick and one tooth … read more
Tan
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Hi, Today when i started my engine , 350 Mag. as soon as the
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James
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I have a 2003 mercruiser 350 mag. Bravo 3 outdrive. Warning
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Tan
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i have a merc 350 mag mpi runnung fine after i went out for
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capt ron 1959
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Master Tech
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I have a 99 Yamaha 115hp. I was out the other night and it
I have a 99 Yamaha 115hp. I was out the other night and it started smoking really bad. For quite awhile after i shut it down 2 cycle oil drained out of it. It was coming out where the lower end and th… read more
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engine wont start oil looks good maintenance up to date mechanic
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my 05 350 mag has sounded an alarm and the engine rpms dyed
my 05 350 mag has sounded an alarm and the engine rpm's dyed down. my temp was 150 my oil level was good & stern drive oil was good. what else could cause this problem.… read more
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I have a 2003 Maxum with twin Mercursier 350 Mag MPI - Bravo
I have a 2003 Maxum with twin Mercursier 350 Mag MPI - Bravo 3's in which I am have an intermitent alarm (2 beeps every minute). The alaram begins as soon as the engine is started. Gear lub reservior … read more
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Mercr. 350 mag sterndrive goes from all good to 2 alarm beeps/10seconds after we pull into the slip, idling after about a 30 mile run. Drive lube monitor is within limits. Oil, coolant, voltage all go… read more
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Just got new exhaust manifolds on my Mercruiser 5.7 (350cubic
Just got new exhaust manifolds on my Mercruiser 5.7 (350cubic inch) carbureted engine on my 1997 SeaRay. Right after putting the engine in the water there was billows of white smoke and the mechanic s… read more
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