With regards to the steam pic. see the attached. Photo does not do it justice as it is difficult to photograph steam without a dark background....
Thanks for the reply. I pull the manifold off and pumped plenty of water through it. Got a little bit of rust scale but not much. I put on...
Boat is fairly level on the driveway. I have the hose pushing water throught the block bypassing the lower unit pump....so I know I have pleanty...
Following was also posted to Design Forum..... I have been reading this website for some time and found a great deal of useful information. Maybe...
Stonebreaker, Checked all 8. Compression ranged from 130 to 150 psi, with most in the 140-150 range. I was considering doing a cylinder...
Matt, Thanks for the reply. The "standard" configuration is wet. Exhaust from the MR260 (350 engine) is mixed with water in the manifold/risers...
I checked the compression when I removed the exhaust manifold and all 4 cyl reached 130-135 PSI. I did not check the other four. Specs for a new...
I am working on resolving an excessive steam issue with a Merc 250 (350 ci). Excessive steam is coming from the exhaust. I noticed that steam is...
I am hesitant to try this. Will it not overheat the manifold?
Forgot to mention, I am also getting steam coming from the center of the prop. DOes anyone know why steam would come from the center of the prop?
Good question...not exactly sure. I pulled the manifold/riser off to check for buildup and it looks OK. I am going to divert additional water to...
I have been reading this website for some time and found a great deal of useful information. Maybe someone can help me with a problem I am...