1989 bayliner 1700 capri with o/b 85 hp, it died when i shift and slow.

buddyle

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Jun 5, 2006
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I brought this boat 89 bayliner with o/b 85hp on ebay last couple months ago. It runs great when i can get it shifts forward/reverse, but sometime when i shift it, it died on me. Is there any fix for it? with some reason, my boat only goes 21 mph....is there reason why? I am thinking about getting 150 hp motor for my boat, but i don't know if that's a good idea, can the boat will hold that big of the motor? please suggest???? are there anything out there that could support my transom for the big motor? any of your responds are appreciated. anyone have 150 motor want to sell please let me know...buddyle2002@hotmail.com
 
D

DJ

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Re: 1989 bayliner 1700 capri with o/b 85 hp, it died when i shift and slow.

You should have a capacity plate on your boat. It is grey and yellow. That will tell you max. horsepower.<br /><br />What is your maximum RPM?
 

deejaycee_2000

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Re: 1989 bayliner 1700 capri with o/b 85 hp, it died when i shift and slow.

A 150 hp on a 17" bayliner is a bit too much even for me that is always overpowering all the boats I have ...... a nice size engine for you would be between 90hp and 115hp max ....
 

RRitt

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Re: 1989 bayliner 1700 capri with o/b 85 hp, it died when i shift and slow.

your dying problem might just be idle adjustment. idle should be set in gear per manual but it usually works out to around 1000ropm in neutral.
 

buddyle

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Re: 1989 bayliner 1700 capri with o/b 85 hp, it died when i shift and slow.

i just got my tach today, and i will have it install myself tomorrow, and i will know what my max rpm is. as right now i have no idea. is there a good instruction how to set the idle, picture perhaps. When i am in neutral, my engine runs fine, no problem, but when i shift that is when it died. however, sometime i try it slow, it shifts and runs fine. thanks for all your inputs.
 

roscoe

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Re: 1989 bayliner 1700 capri with o/b 85 hp, it died when i shift and slow.

You might want to check the compression on the engine before you stick too much into it.<br />And decarb the motor with Seafoam Deep Creep.
 

Realgun

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Re: 1989 bayliner 1700 capri with o/b 85 hp, it died when i shift and slow.

Buddie lee that combination is good for 33 mph or so. You need to adjust the idle air on all three carbs.<br /><br />As to speed I don't know where you are but the higher you are the slower the boat. If you are going by the speedometer ya 20 is about right even if you are really going 30. :) You need to borrow a GPS to see the real speed those darn water pickup speedos are for looks not acuracy.
 

Realgun

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Re: 1989 bayliner 1700 capri with o/b 85 hp, it died when i shift and slow.

To set the idle air on the force or any motor for that matter-<br />
LIGHTLY SEAT the idle screws and try 1 turn out on all carbs. <br /><br />Start with the top carb, turn the top screw in 1/16 turn clockwise. let idle for 5 seconds to steady idle. Engine should speed up. then turn 1/8th counter clockwise. If motor speeds up more then when you turned it in then you need to be out further if it slows then turn clockwise again 1/16th. <br /><br />What your trying to do is get the motor to go as fast as it can on 1 screw in and out. What you want is to idle as fast as it can then turn out or counterclockwise 1/8 turn and your done this should give you the best idle. You will not be running too lean either or to rich. You have to do this for all three carbs. Once you have the carbs set then you can use the idle speed screw to get to 800-850 rpm in nuetral of course.<br /><br />As you move the screw(s) in or out let the engine idle for a few seconds to get a steady idle.<br /><br />On my engine the bottom carb is out 3/4 and the middle and top are at 1 turn exactly. thats just the way it works for me and I replaced all three needles.<br />I have the 1988 85 Force.<br />
I quoted myself. :)
 

buddyle

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Re: 1989 bayliner 1700 capri with o/b 85 hp, it died when i shift and slow.

i got my tach yesterday. i brought it from Ebay...HONDA 7X1000 RPM TACH...installed, it read as 2500 rpm at neutral....is that normal, or does it have to warm up like the car does? or does the tach work on this motor? it doesn't have anything that to adjust the holes in the back of the tach....what should i do now? There is the number...NS HP-0243-001 on the tach...any help appreciated.
 

buddyle

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Re: 1989 bayliner 1700 capri with o/b 85 hp, it died when i shift and slow.

and here is one other thing i forgot to mention...when i start my motor on land with the water earsmuff on, it runs good and shift good...the motor did not die, but when i have it in water, it dies on me....how do i measure how long is my transom and my motor? the right way...too many people taught me some different way, don't know what to believe in...i am looking forward to get a different motor 135hp. thank you.
 

Realgun

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Re: 1989 bayliner 1700 capri with o/b 85 hp, it died when i shift and slow.

BuddyLee you need a 20 pole tach. And you using a two stroke motor not sure if that tach was for a four cycle or not.<br /><br />I told you what to do to get Idle correct try it it works. If not check compression. Numbers should be 100 or better and less than 10 Lbs between highest and lowest readings.<br /><br />You don't need to measure yours is 20 iches just like all the 1700 bayliners out there.<br /><br />And Buddy Lee do the adjusting in the lake tied to the dock.
 

buddyle

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Re: 1989 bayliner 1700 capri with o/b 85 hp, it died when i shift and slow.

I did the compression test and all 3 cylinders are 120 psi...and i figured out how to shift it so the motor don't die on me, just have to be slow. i replaced my spark plugs last couple weeks ago. i took each spark plug out and do the compression test...two of them look oily and the other 3 is look very clean, like brand new. Is that normal? what would make my boat slow any ideas? the lower unit is working good.
 

Kajun37

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Re: 1989 bayliner 1700 capri with o/b 85 hp, it died when i shift and slow.

"very clean,brand new" looking spark plugs are not good......your either getting water in that cylinder or your not getting spark on it...do a spark test to make sure your getting spark to all of your cylinders....if one of your cylinders are not firing.. that could cause your boat to be slower than it should.
 

eurolarva

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Re: 1989 bayliner 1700 capri with o/b 85 hp, it died when i shift and slow.

If compression numbers are good on all three cylinders and spark plug number three is clean and the others are dirty spark plug number three is not getting spark. When motor is on muffs there is no back pressure so motor will run fine. When you put it in the water the back pressure makes a dead cylinder obvious from your description. Good news is that ignition problems are cheaper then a burnt out cylinder. The next step will be finding why you are not getting spark to that unit.
 

eurolarva

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Re: 1989 bayliner 1700 capri with o/b 85 hp, it died when i shift and slow.

Kajun types faster then I do :D
 

buddyle

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Re: 1989 bayliner 1700 capri with o/b 85 hp, it died when i shift and slow.

i think that might be the answer there....so what should i do now? test my spark plug...How?<br />let said if that third one is bad, what would i do next to it? what do i need to replace? thank you for all your help....
 

buddyle

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Re: 1989 bayliner 1700 capri with o/b 85 hp, it died when i shift and slow.

yes, i seen some water still stuck to the end of the third spark plug when i first pull it out.
 

roscoe

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Re: 1989 bayliner 1700 capri with o/b 85 hp, it died when i shift and slow.

You have to eliminate the source of the water getting into that cylinder.<br />Hopefully it is a blown head gasket, and the cylinder and piston have not been damaged.<br /><br />Only one way to find out, that is to remove the head and inspect the cylinder.
 

buddyle

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Re: 1989 bayliner 1700 capri with o/b 85 hp, it died when i shift and slow.

where would the head gasket located at? any instruction how to do this would be great, please. so you don't think because of the spark plug wire or spark plug pack? my upper unit look very clean....does the lower unit will allow to the water to come in? thak you.
 

imported_LakeRunner

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Re: 1989 bayliner 1700 capri with o/b 85 hp, it died when i shift and slow.

Sounds like you need to pick up a Clymers or Seloc. Personally, I prefer the Force service maunual.
 
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