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Mercruiser 5.0 MPI allows waterback in cylinder after
Mercruiser 5.0 MPI allows waterback in cylinder after shutdown causing hydraulic lock!? … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
If possible I need the exhaust system schematics for aTropez
If possible I need the exhaust system schematics for a*****Tropez with twin 454's. … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
I have a 98 mercruiser 7.4 horizon that's been giving me
I have a 98 mercruiser 7.4 horizon that's been giving me problems. It runs very rich and has a rough idle. It cleans up at higher Rpms but when I slow down it can stall or the Rpms will race up and do… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
Engine SN: OW673430, mercruiser 5.0 MPI, drive serial num OW927662.
engine SN: OW673430, mercruiser 5.0 MPI, drive serial num OW927662. use boat in saltwater, engine is open cooled system using seawater for cooling. Temp are running between 185 and 205 on gauge on boa… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
Hi. I have a 2003 Mercruiser 4.3 MPI alpha one Gen II. I recently
Hi. I have a 2003 Mercruiser 4.3 MPI alpha one Gen II. I recently performed the following maintenence: New exhaust bellows, driveshaft bellows, shift bellows, water hose, and impeller. On the test run… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
2006 Sea Ray 280 Sundancer Mercury 5.0 the motor dies after
2006 Sea Ray 280 Sundancer Mercury 5.0 the motor dies after a few minutes. Initial problem was fixed: Had water in one cylinder. Changed risers/manifold. Then ran engine, now it dies after a few minut… read more
briggs archer
briggs archer
master marine mechanic
Associate Degree
374 satisfied customers
we have a 2,006 sea ray 320 with town 6.2 L 320 mpi with bravo
we have a 2,006 sea ray 320 with town 6.2 L 320 mpi with bravo III out drives. The manifolds where replaced in june 2,010, together with one engine because of water intrusion. Boat had 200 hrs. I boug… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
i have water in my oil how can i check if is the riser,exhaust,intake
i have water in my oil how can i check if is the riser,exhaust,intake maniford,head gasket,heads or crack engine and the best way to fix it with out costing me a arm and a leg. the engine is a mercrui… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
i am new to boating. have a 1995 chaparral with mercruiser
i am new to boating. have a 1995 chaparral with mercruiser 5.7L engine. have had for 3 years. cranked up to take out this weekend for first time this summer. locked up. took spark plugs out. water in … read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
I have a 1996 5.7 volvo penta ran great onshore got wet on
I have a 1996 5.7 volvo penta ran great onshore got wet on monday ran for 30 mins than quit at dock discovered it had hydrolocked . What would be the main cause for this ? already removed the water an… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
My boat is a 1996 searay 175. It has a Mercruiser 3.0 LX engine.
My boat is a 1996 searay 175. It has a Mercruiser 3.0 LX engine. 4 cylinders, 135 HP. Recently, while in the water, and running at about 40 MPH I heard a couple of loud clanks in the engine. I slowed … read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
I have a 1995 sunbird with volvo penta 5.0 ford motor. my wife
I have a 1995 sunbird with volvo penta 5.0 ford motor. my wife ran it after the belt to water pump broke and it may have overheated. I thought the spark plugs were fouled so as I was replacing them wh… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
I have a 2006 Meridian 368 with twin mercruiser 8.1L, 420 HP
I have a 2006 Meridian 368 with twin mercruiser 8.1L, 420 HP engines. They have approximately 100 hours on them, and have been maintained according to specs. on the port engine the compression in the … read more
Greg Robinson
Greg Robinson
Senior service manager
Vocational, Technical or Trade Scho
199 satisfied customers
Mercruiser 5.0 MPI, engine overheated due to impellor failure,
Mercruiser 5.0 MPI, engine overheated due to impellor failure, however when trying to start it was hydro locked. Am I likely to have bent conrods? Compression test looked ok, water though was in all 8… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
1997 Cobalt 200 with 5 l Volvo Pentadrive. Power went out,
1997 Cobalt 200 with 5 l Volvo Pentadrive. Power went out, got too cold on lift, and port exhaust manifold has a crack. Stbd manifold may have on, but only a drip - drip - drip. Can I run it to the de… read more
Whitecap36
Whitecap36
Service Manager/Technician
Vocational, Technical or Trade Scho
1,545 satisfied customers
Hello. 1997 Reinell with a 5.7 L V8, a Volvo Penta . Owned
Hello. 1997 Reinell with a 5.7 L V8, a Volvo Penta . Owned 8 yrs. Its been running great, although after 2 great trips on the water this season I had some starting problems. Trip 5 after several hours… read more
gearheadII
gearheadII
Bachelor's Degree
138 satisfied customers
How do you determine what gaskets to use on a 5.0 MPI Merc.
How do you determine what riser gaskets to use on a 5.0 MPI Merc. serial #OM624908 with a standard water cooling system dry-joint with spacers between exhaust manifold, spacer, and riser? I've been to… read more
mercmastertech
mercmastertech
Service Manager, Master technician
Technical School
249 satisfied customers
Ive got 99 Mercruiser MIE 454 Mag MPI Horizons in my 40
I've got '99 Mercruiser MIE 454 Mag MPI Horizon's in my 40' Regal Commodore. When changing the plugs a couple of weeks ago, I noticed significant corrosion on the underside of the exhaust risers aroun… read more
Pappy's Sales and Service
Pappy's Sales and Service
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