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  1. S

    new propeller installation and test resoult

    yes but i mean there are 3 blae 4 blade more angle less angle, i'm not sure what is better. accordinglly to the test obviously the 15x15 or 15.5 x 15 is the right one because it give me 4800 rpm but as said 17 in cruise speed run much better, but i don't know if i will stress too much the motor...
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    new propeller installation and test resoult

    on motor docs it is mention power at wot 4800 .... so i would say 4800 accordinglly to what i heard range should be between 4600-4800
  3. S

    new propeller installation and test resoult

    hi guys; as a lot of you already know i have just rebuilt my boar and my motor; motor mercruiser 4.3 stern alpha one gen II ratio 1: 1.65 boat dry weight 3300 lib so i would expect at least 4400 lib in running condition first propeller tested a stainless still 14.75x 17 ( no enought rpm) top...
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    4.3 lt Mercriser Cranks But will not start on idle and will not idle.

    Wich 4.3 you have? Lx? Carbs normally has more difficult to start just at idle, you need to give gas a bit. I just rebuilt all my motor and yes it start at idlle but with low low rpm so if i give some gas it is much better. Normally you shoud pump a couple of time, kepp a litle bit the gas...
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    temperature on Mercruiser 4.3 LX

    When i move from that bolt it goes down as you said , it goes down obviously also when i'm 1000 rmp, but once i go 3600 rpm temp goes high. Wich sleaves you are refering at? I do not have nothing there (mine doesn't have any tube outside ot inside) crossover pirts is on the intake manufold (i...
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    temperature on Mercruiser 4.3 LX

    Agree . Also because there is no whater in that part . Thanks 🙏
  7. S

    temperature on Mercruiser 4.3 LX

    Do you think 180° in that point is ok? Tks
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    temperature on Mercruiser 4.3 LX

    You missed one number 1 in front of the reading 😅. Thermostat house is 65 Motor 65 all part 65/70 Only part very hot is the bolt near crossover 150/180°c Motor is rebuilted totaly. Block machined Head machined Allmost component are new. Motor just has like 10 hours All intake manifold is 70...
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    temperature on Mercruiser 4.3 LX

    hi guys, anyone check the temperature on motor wile it is running? when i'm running with my motor my temp instrument show 65/70 degrease that it sound good and i don't have any issue. (only smalldifference between left and right riser) last weekend when i was running motor at 3600 rpm, i checked...
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    Mercruiser 5.0 no power to fuel pump when ignition ON

    sorry, if is not efi, or MPI when ingniction is on you can not hear fuel pump just when injiction is on you need to crank motor or supply 12v if you have a LX like the above schema ,it is very easy the power on the pum will arive only when you will turn the motor on and starter motor will run...
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    Mercruiser hard to start

    Sorry i assume that he was working already with electric pump 🤦🏼‍♂️ you are right
  12. S

    Mercruiser hard to start

    fuel pump is connected to the starter motor so it will start to pump fuell only when you start the motor and normally carbs get empty so need time to fully fill it. to avoid this i connected the pump with one switch on the boat board and i normally activate it before to start the engine. ( it...
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    Flap bennet issue

    I try to contact them but they reply that i have to contact supplier in italy. I will try thuesday because today they are cloosed and monday is italin holiday . But i contacted another shoop where normally i buy all items here and the cost here is 695€ 🙄😱 Or i'll buy a used one or i need to buy...
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    Flap bennet issue

    Thanks so much. 🙏🙏
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    Flap bennet issue

    😓 Thanks, i sow something like 800€. Isn't it?
  16. S

    Flap bennet issue

    Good afternoon, i hope the thread is in the right place 🤞 I've got an issue with my bennet flap pump. When the boat was stopped 5 years ago flaps were working properly. Now that i'm rebuilding the boat i noted that flap is not working anymore , it seams that motor shaft is blocked. Does enyone...
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    propeller doubt

    I will make a test first then i would ask also a price for a colsuntacy in case it could be an option maybe . Also because i've got a drive with ratio 1.84 in my house coming from the lx motor that i bougt and i'm using now. I didn't use this drive because it need an overhouling first (bearing...
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    propeller doubt

    Tks, Yes i fully agree . 19 pitch as per searay manual was for mercruiser 205 hp with 1.84 ratio (not for 1.65) now i found that my drive is 1.65 so for sure not more 17. !i just thinking if 1,65 is a good ratio or would be better 1.84 for my boat
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    propeller doubt

    Thanks, the problem is that i'm located in italy this cpany i think is on usa
  20. S

    propeller doubt

    Hi i go back on this matter because i'm in about to fix the outboard part of the motor and in 10 days the boat should go on the watet 🥰🥰🥰. I hope everithing will be ok. Yesterday i check the ratio properlly, mine (ex) efi outboar is 1.65 The one that come with the lx (i've got but i can't use...
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