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    Possible water pressure fault(MY2009 350MAG MPI)

    Hello, i repowered my boat in 2009 with a totally new 350Mag MPI. Well, everything till now is just perfect with the new engine and i had no problem till yesterday. Everything run ok , cruising with 32Mph but as i scrolled the smartcraft screens, i saw that the water pressure was VERY LOW at...
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    350Mag Mpi (2009) Exhaust riser and manifold change

    Hello, i own a Wellcraft nova spyder with a new 350Mag Mpi (MY2009) and i was wondering if anybody can inform me every how many years should i change the exhaust risers for not having problems. I had similar problems with my old engine and i do not want to have the same with new. Thank you very...
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    Smartcraft power trim gauge not read correct

    Hello, i own a Wellcraft nova spyder 202 with a new 350Mag Mpi (2009) with smartcraft gauges. The last 10days the trim gauge does not read correct. I put a new trim sensor on my Alpha one drive when i repowered my boat 1,5years before. The trim limit works fine. But the trim reading is not...
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    SS prop looses the polish after 5min into the water.

    Hello to everyone,... there is something i want to ask you a long time ago... I use SS at my boat for at least 15 years, and i have changed at least 4 differenet models of SS props. All of them were Mercury. Every year i polish the propeller before i put the boat in to the water but as soon as i...
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    Hitting 60mph@gps with aluminium prop?....no way!!

    Hello again,... after the first 50hrs of operation of my new 350mag mpi (cat), i still use the 19p aluminium prop. The boat hits 56-58mph@gps and the engine reaches 4900-5050rpm depending load. AM i crazy that i am trying to hit 60mph with aluminium prop?:D :) :rolleyes:? With this prop, the...
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    1992 350 LX 4bbl vs 2009 350MAG MPI torqe question

    Hello, to everyone. i was wondering the following... My old engine (1992) 350lx 4bbl with 260 crank hp@4600rpm. This means with simple calculations that the engine torque was 397Nm@4600 (at crank). My new engine 2009 350Mag Mpi has 300 prop hp@5200 , so lets say about 330 crank hp@5200 which...
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    LPG at 350mag mpi?

    Hello, do you know if this convertion can happen on a boat?I do not believe that there is any specific danger for me,my boat or my engine if i use lpg. The petrol here in Greece now costs about 7,1$/gallon (1,5 euro/litre) and the LPG only 3,05$/gallon. It is a little bit expensive. So i just...
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    Low engine power during break-in period?

    Hello, is there a possibility the ecu of a new sterndrive engine (ex 350mag mpi 2009) to control (set a limit) the power of the engine during break-in period, just for protection? I am asking just because my brand new 350mag has a lot of power during acceleration (boat on plane), MUCH stronger...
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    Why my trim limit sensor needs again and again adjustment?

    I have a problem with my trim limit sensor. I calibrate it according the manual and i fit the screw very tight, but something go wrong and in the water it looses the adjustment. So the drive , keep raising with the up button. This happened 2 times. I calibrated it, i tested it several time up...
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    Smartcraft Break-In period Screen

    Hello to everyone... As i was reading the Smartcraft SC1000 speedo-tacho manual, i found that there is a screen at tacho shows the break-in period time remaining which is turned off as soon as this period complete.My engine AND the SC1000 are brand new.To be honest I do not remember that screen...
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    Alpha one genII Trim cylinder end cap and bearing carrier anode

    Hello, my boat has the 1992 alpha one genII drive, serial No: 0D873113. As fas i can remember it had never trim cylinder anodes. I bought the Quicksilver aluminium anode set and it had the trim cylinder anodes with the screw. I tried to put them onto the cylinder end cap but i could not screw...
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    350 mag mpi first test ride........

    Well, today the weather was just perfect so i decided to take my boat for the first test.After a small adventure as the tire of the trailer was ruined as i drove...I put it in the water, and i was waiting until the temperature come in working level.I then accelerate so to plane the boat. But...
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    350 mag mpi fuel injectors.

    Hello, could you please tell me how many cc/min are the fuel injectors of 2009 350mag mpi? Thank you very much.
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    Smartcraft oil temp reading

    Hello , as you have probably have read at my other post i have repower my boat with a new 350 MAG MPI. If the weather in Greece will be ok the next week i will put the boat in the sea for testing. Everything till now seems to work properly and also the smartcraft gauge. The only problem that i...
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    Scan tool for Mercruiser

    Hello, i have the 2009 Mercruiser 350MAG MPI with ECM555 (Non DTS) ECU. I want to buy one scan tool for my new engine and i found that : http://www.mefi4.com/sc/details.asp?item=mefiscan1 I want to ask you some questions if you know. 1)will i need in future this tool for possible engine faults...
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    Smartcraft Troll control?

    Hello, as i have already told you at other post i just swap engine in my boat and put the new 350mag mpi alpha one without DTS and also changed all the gauges with the smartcraft system tach sc1000 and systel link. I want to ask you what is exactly the troll control....till now i thought that...
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    Wellcraft 202 nova spyder repower

    Hello to everyone and congratulations for this awesome forum. I am from Greece and i own a 1993 wellcraft nova spyder with 5.7LX 4bbl engine.(260hp@crankshaft). The boat is in GREAT condition and i really love it the way it runs at travels (22deg V). With this engine reaches at speedo...
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