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Hi every one just got a question if any one tried on there 4.3l mercruiser with alpha one 4 blade prop size is 14 and 1/8 x 20 will it work with my 180 bowrider 1990 sea ray????

Well this is my first boat so i am not to sure how far up i can go with out damaging something? If you don't mined to educate me please do.

Well the book sas Well the book tells me that for my boat the prop should be 13.75x21 and the boat is 1990 sea ray 180BR with 4.3 mercuiser motor and alpha one gen1 outdrive. and i have right now 14x19 and i am almost at my WOT witch is should at 4800 and i am around 4500. And what i am...

ok now i need to find out how many blade should i take 4 or 5 my boat is 1990 sea ray 180 open bow. if i use same pitch like 19

Thank you that is wary use full information but one more question 21p is it 14x21?

Well I have a aluminum prop. its 14.19 and i just wanted to have a little more top speed and not to lose much of power. I guess i can do 14x20 still one. Thank you

Hi I have a question about the prop i have 1991 180br sea ray with 4.3L and alpha1 out drive and my prop is 14x19 and full throttle at 4800 rmp at about 40mph. And i wanted to know if i can go to 21pt prop and will i still be able to tow tube with two or more peaple?

bilge pump What is the purpose of this pump i have one on my boat?:smt100

Thank you that is very well explained. Thank you again for your time.

What can i do as far as prop how to choose one?? I have alpha 1 gen 1 outdrive

on 18 foot boat. with 4.3l motor will have in off power to pull 2 or more people?:smt017

Thank you all for all the info. One question do draining out of the dipstick tube will it get all the oil out of the pan, or its ok if some left?

where can i get good shop manual for my boat? How often the empeller need to be changed?

Hi I am new to this site my name is slava and i just wanted to say hi. I just bought the 1990 sea ray 180 bowrider with 4.3L alpha1 out drive. Just wanted to ask if there is any thing i should know about this boat. This is my first boat. I live in Spokane WA

Hi I am new to this site and to have a boat. I just bought the 1990 sea ray 180 bowrider with 4.3L inboard motor. I am a mechanic my self on auto not a boat but its not a big difference but I am trying to change oil on my boat and i don't have the oil tube connected to the drain plug. So my...