Well my awesome boat is done. Spent lots of time running wires and mounting everything as clean and professional as I have ever done. Very proud of this boat that Mike and Mike Blessed me with.
Got out to test today and my big old Merc tower after 8 years of maintance free operation (pretty good for a motor made in 1970.) Well as you know I had rebuilt one of the carbs and cleaned the other 2 before I sank my old boat and motor was running fine until the boat started to sick. At that time it started missfiring and chugging upon acceleration. My thoughts at the time were water in gas from boat sinking before I knew it.
So I put cleaned dry plastic 14 gallon tempo tank with new fittings and new hoses in new boat. Drained all 3 carbs. Ran new gas with Stabil and Seafoam with my always used Quicksilver 2 stroke oil. Have new marine water seperator and extra see thru glass fuel in line filter after bulb. So I thought all would be good. NOTTTTTTTTTTTTTTT
Motor starts right up and idles smooth and accelerates smooth out of gear. However when put in gear the motor shakes and badly stumbles trying to get past 12mph. You can feel it like it wants to catch and take off but it seems to missfire and will not power up and shakes and grunts. Like and old man like me . Squeeze ball and no change. Ball solid. Its getting gas. When it dies smoke comes out of bottom carb. Like its not running right in gear. Then it would not run much at all. My thoughts are now fouled plugs. These plugs are 5 years old but I clean them. I can start it again and it idles fine. But under power it seems like it will blow up!
Do not have funds to rebuild so if it can not be fixed by me or friends it will have to sit until I can fix it or replace. The Honda 4stroke kicker does me good so I can still fish my close areas. Just kinda bites that I am having issues with this old motor that has treated me right for years. Any old merc guys with some troubleshooting tips for me?
Will check compression tomorrow.
Thanks
Tod
Its a Mercury 1970 model 1250hp 6 cyl tower of power.
Please note: although no board code and smiley buttons are shown, they are still usable.
Got out to test today and my big old Merc tower after 8 years of maintance free operation (pretty good for a motor made in 1970.) Well as you know I had rebuilt one of the carbs and cleaned the other 2 before I sank my old boat and motor was running fine until the boat started to sick. At that time it started missfiring and chugging upon acceleration. My thoughts at the time were water in gas from boat sinking before I knew it.
So I put cleaned dry plastic 14 gallon tempo tank with new fittings and new hoses in new boat. Drained all 3 carbs. Ran new gas with Stabil and Seafoam with my always used Quicksilver 2 stroke oil. Have new marine water seperator and extra see thru glass fuel in line filter after bulb. So I thought all would be good. NOTTTTTTTTTTTTTTT
Motor starts right up and idles smooth and accelerates smooth out of gear. However when put in gear the motor shakes and badly stumbles trying to get past 12mph. You can feel it like it wants to catch and take off but it seems to missfire and will not power up and shakes and grunts. Like and old man like me . Squeeze ball and no change. Ball solid. Its getting gas. When it dies smoke comes out of bottom carb. Like its not running right in gear. Then it would not run much at all. My thoughts are now fouled plugs. These plugs are 5 years old but I clean them. I can start it again and it idles fine. But under power it seems like it will blow up!
Do not have funds to rebuild so if it can not be fixed by me or friends it will have to sit until I can fix it or replace. The Honda 4stroke kicker does me good so I can still fish my close areas. Just kinda bites that I am having issues with this old motor that has treated me right for years. Any old merc guys with some troubleshooting tips for me?
Will check compression tomorrow.
Thanks
Tod
Its a Mercury 1970 model 1250hp 6 cyl tower of power.
Please note: although no board code and smiley buttons are shown, they are still usable.