I think this problem is electrical because it happens very quickly. The engine runs flawless most of the time - seems when warmed up and on plane it will cut out - yet not die. I have noticed the sync and tach gauges drop and then quickly resume. I have notice the problem occurs more above 3200...
I need to change the front crank seal on this engine. It has the aluminum front cover. I have not pulled the engine and won't be. Does this timing chain cover have stops so the new seal can be installed straight or is there a special tool that needs to be used?
I was told to be careful as the...
1999 Chaparral 290 Signature
Mercruiser 5.0L with Alpha One Gen 2 Drives
Pulled the risers and noted a broken flapper on one side. Pulled the drive and did not find the broken piece in the exhaust bellow or y-pipe. Split the drive and still no broken piece. Got one of those inspection scopes...
Took my drives apart - found the impeller face seal about 1/2" from the top of the housing. These pumps have less than 10 hours on them. When I put them in early spring I followed merc manual 14 and pulled up on the vertical shaft while using the tool to press the seal down to the housing...
1999 Mercruiser 5.0L A1/G2
Started and warmed up starboard engine to operating temp in the water noted one exhaust manifold and riser warm to the touch and the other was noticably cooler. Is the normal? Been having intermittent cooling problems on this engine. Impeller changed prior to this...
How do I tell if I have the dry joint manifolds?? - I am having an overheat problem from time to time at cruising speed and am wondering if I should pull the manifolds/riser to check for blockage???
Its a 1999 5.0L Mercruiser S#OL353167
Used only in freshwater - new impeller yearly.
Thanks
Pete
The boat gets new impellers every season(twins). Hear and there(not often) when cruising the Starboard engines temp alarm sounds - drop down off plane and it cools down then able to cruise for days(seems like) without problems....has happened a few times over the last 3 seasons....Today same...
1999 Mercruiser 5.0L 2-barrel Mercarb - AI/G2. TWIN ENGINES
Installed a reman carb and new electric fuel pump on port engine. When attempting to plane bringing engines up slowly all ok from 650 to 2000rpm then proceeding to full throttle the port engine does not stay even with with the...
