I'm just going by the water squirting out of the one cylinder that is lower
than the others on compression. The oil looks almost tan color. Would it
help if I took a picture of this and posted it?
Ryan
----- Original Message -----
From: "Thomas Klauber" <tklauber@...>
To: <omc-boats-digest@...>
Sent: Saturday, December 10, 2005 3:26 PM
Subject: [omc-boats] Re: omc-boats-digest V1 #427
> You need to get a SELOC manual for your year boat and it will give you the
> numbers you need. You can GOOGLE cylinder compression and get a lot of
> info on auto cylinder compression facts. I would test each cylinder and
> write them all down and look for any numbers that seem to be way off or
> too low. All cylinders will not be bad unless the motor is worn out. Mine
> ran about 100 to 120 but it has been 2 years since I checked so I could be
> off.. I doubt the engine is worn out as we do not use the boats much but
> you never know. You have plenty of time till the next season. There are
> tricks and pitfalls with the process so be careful. TK
> ----- Original Message -----
> From: "omc-boats-digest" <owner-omc-boats-digest@...>
> To: <omc-boats-digest@...>
> Sent: Saturday, December 10, 2005 12:00 PM
> Subject: omc-boats-digest V1 #427
>
>
>>
>> omc-boats-digest Saturday, December 10 2005 Volume 01 : Number
>> 427
>>
>>
>>
>> Re: [omc-boats] new member
>> Re: [omc-boats] new member
>>
>> ----------------------------------------------------------------------
>>
>> Date: Fri, 9 Dec 2005 23:47:27 -0500
>> From: "Ryan" <kmoore12@...>
>> Subject: Re: [omc-boats] new member
>>
>> This is a multi-part message in MIME format.
>>
>> - ------=_NextPart_000_000F_01C5FD1A.E94C5CC0
>> Content-Type: text/plain;
>> charset="iso-8859-1"
>> Content-Transfer-Encoding: quoted-printable
>>
>> Ok..I got a compression gage. The guy who loaned it to me said I should
>> =
>> check not only the compression but also the tolerance between =
>> cylinders??? I assume that means make sure one cylinder isn't way more =
>> or less the than others. Any idea what the tolerance is + or - ? Is =
>> this necessary?
>> Ryan
>> ----- Original Message -----=20
>> From: David=20
>> To: omc-boats@...=20
>> Sent: Monday, December 05, 2005 5:47 PM
>> Subject: Re: [omc-boats] new member
>>
>>
>> Ryan, The first thing I would suggest you do is a compression test on =
>> the engine - often overheating as bad as you described can cause the =
>> head to crack - between the intake and exhaust valves - the area between
>> =
>> the two valves is only about 1/8th of an inch and often the crack is =
>> hard to find. but if compression hits above 140 psi, and none lower, you
>> =
>> should be ok - heads by the way, in the mid-west, are very hard to find.
>> =
>> Dave
>>
>> Ryan wrote:
>>
>> The boat originally come from Florida. My Dad, brother in law, and I =
>> found it in Indiana, where I'm from, for $500, trailer and all! Good =
>> deal I thought. I moved to Wilmington, NC a couple of years ago and =
>> just went and got it over Thanksgiving. I am surrounded by water here =
>> and my brother in law was tired of getting stranded out on the lake. :)
>> =
>> The last few times it was out it overheated and stalled the motor. I =
>> know I got my work cut out for me but I enjoy stuff like this. Also it =
>> is cheaper than buying a new boat. I fired it up the other day and it =
>> sounds good.
>> The river has a little salt in it from the tide coming in and out =
>> and of coarse the Intercostals waterway is salt water. Will this engine
>> =
>> last long if flushed and washed down after every use?=20
>> I looked up the model number and did find out it is a 69'. I'll =
>> pick up the book for it and go from there. I did notice the steering =
>> wheel is cracking on both sides. Is it impossible to find original =
>> parts for this boat? =20
>>
>> Thanks=20
>>
>> ----- Original Message -----=20
>> From: lib1@...=20
>> To: omc-boats@...=20
>> Sent: Monday, December 05, 2005 9:26 AM
>> Subject: Re: [omc-boats] new member
>>
>>
>> Welcome aboard, Ryan. You'll find a lot of helpful people eager to =
>> help you and share info. Sounds like from your description you have a =
>> 1969 Sportsman. They feature a slightly deeper center hull, which =
>> allowed them to run drier and a couple miles per hour faster.
>>
>> Blower/Bilge pump can be removed and torn down and the electric =
>> motor can be refurbed. Or you could choose to replace it with modern =
>> units, but you'll need a new seperate pump and new blower. You could use
>> =
>> the old switch to run the blower and setup the bilge to run =
>> automatically, when it detects water.
>>
>> Get yourself a Seloc shop manual that covers the OMC 64-77 =
>> "Electric-Shift" stringer-mounted drives. If the boat sat unused for a =
>> number of years (or was started dry) the rubber impellor in the lower =
>> unit water pump is probably in need of replacement.
>>
>> Where are you and your boat geographically located?
>>
>> Lee Shuster
>> Salt Lake City
>> ----- Original Message -----=20
>> From: Ryan=20
>> To: omc-boats@...=20
>> Sent: Sunday, December 04, 2005 8:51 PM
>> Subject: [omc-boats] new member
>>
>>
>> Hello everyone. My name is Ryan and I found this list while =
>> searching the Internet for information about a Sportsman 155 I recently =
>> bought. I'm not even sure what year it is. I will post a picture of it
>> =
>> later. It's in pretty good condition except for a few things. The =
>> Blower/Bilge pump is froze up and the prop tilt sticks occasionally. =
>> The red and blue stripe down the sides is faded which I'm working on =
>> buffing out. The last time we had it out it overheated. I'm thinking =
>> it is the stern drive water pump. I have no idea what I'm doing so I =
>> need to locate a book but I'm mostly interested in finding parts. Any =
>> help will be greatly appreciated.
>> - ------=_NextPart_000_000F_01C5FD1A.E94C5CC0
>> Content-Type: text/html;
>> charset="iso-8859-1"
>> Content-Transfer-Encoding: quoted-printable
>>
>> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
>> <HTML><HEAD><TITLE></TITLE>
>> <META http-equiv=3DContent-Type =
>> content=3Dtext/html;charset=3DISO-8859-1>
>> <META content=3D"MSHTML 6.00.2900.2769" name=3DGENERATOR></HEAD>
>> <BODY text=3D#000000 bgColor=3D#ffffff>
>> <DIV><FONT face=3DArial size=3D2>Ok..I got a compression gage. The
>> =
>> guy who=20
>> loaned it to me said I should check not only the compression but also =
>> the=20
>> tolerance between cylinders??? I assume that means make sure one =
>> cylinder=20
>> isn't way more or less the than others. Any idea what the =
>> tolerance is=20
>> + or - ? Is this necessary?</FONT></DIV>
>> <DIV><FONT face=3DArial size=3D2>Ryan</FONT></DIV>
>> <BLOCKQUOTE dir=3Dltr=20
>> style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
>> BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
>> <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
>> <DIV=20
>> style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
>> black"><B>From:</B>=20
>> <A title=3Dodin@... href=3D"mailto:odin@...">David</A> =
>> </DIV>
>> <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A =
>> title=3Domc-boats@...=20
>> href=3D"mailto:omc-boats@...">omc-boats@...</A> =
>> </DIV>
>> <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Monday, December 05, 2005 =
>> 5:47=20
>> PM</DIV>
>> <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> Re: [omc-boats] new =
>> member</DIV>
>> <DIV><BR></DIV>Ryan, The first thing I would suggest you do is a =
>> compression=20
>> test on the engine - often overheating as bad as you described can =
>> cause the=20
>> head to crack - between the intake and exhaust valves - the area =
>> between the=20
>> two valves is only about 1/8th of an inch and often the crack is hard =
>> to find.=20
>> but if compression hits above 140 psi, and none lower, you should be =
>> ok -=20
>> heads by the way, in the mid-west, are very hard to find. =20
>> Dave<BR><BR>Ryan wrote:<BR>
>> <BLOCKQUOTE cite=3Dmid003f01c5f9da$6695d790$9b34b841@... =
>> type=3D"cite">
>> <META content=3D"MSHTML 6.00.2900.2769" name=3DGENERATOR>
>> <STYLE></STYLE>
>>
>> <DIV><FONT face=3DArial size=3D2>The boat originally come from=20
>> Florida. My Dad, brother in law, and I found it in =
>> Indiana,=20
>> where I'm from, for $500, trailer and all! Good deal I=20
>> thought. I moved to Wilmington, NC a couple of years ago and =
>> just went=20
>> and got it over Thanksgiving. I am surrounded by water here =
>> and my=20
>> brother in law was tired of getting stranded out on the lake. =
>> :) =20
>> The last few times it was out it overheated and stalled the =
>> motor. I=20
>> know I got my work cut out for me but I enjoy stuff like this. =
>> Also it=20
>> is cheaper than buying a new boat. I fired it up =
>> the other=20
>> day and it sounds good.</FONT></DIV>
>> <DIV><FONT face=3DArial size=3D2>The river has a little salt in it =
>> from the tide=20
>> coming in and out and of coarse the Intercostals waterway is salt=20
>> water. Will this engine last long if flushed and washed down =
>> after=20
>> every use? </FONT></DIV>
>> <DIV><FONT face=3DArial size=3D2>I looked up the model number and =
>> did find out=20
>> it is a 69'. I'll pick up the book for it and go from =
>> there. I=20
>> did notice the steering wheel is cracking on both sides. Is it =
>>
>> impossible to find original parts for this =
>> boat? </FONT></DIV>
>> <DIV> </DIV>
>> <DIV><FONT face=3DArial size=3D2>Thanks </FONT></DIV>
>> <DIV> </DIV>
>> <BLOCKQUOTE dir=3Dltr=20
>> style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
>> BORDER-LEFT: rgb(0,0,0) 2px solid; MARGIN-RIGHT: 0px">
>> <DIV=20
>> style=3D"FONT: 10pt arial; font-size-adjust: none; font-stretch: =
>> normal">-----=20
>> Original Message ----- </DIV>
>> <DIV=20
>> style=3D"BACKGROUND: rgb(228,228,228) 0% 50%; FONT: 10pt arial; =
>> font-size-adjust: none; font-stretch: normal; moz-background-clip: =
>> initial; moz-background-origin: initial; moz-background-inline-policy: =
>> initial"><B>From:</B>=20
>> <A title=3Dlib1@...=20
>> href=3D"mailto:lib1@...">lib1@...</A> </DIV>
>> <DIV=20
>> style=3D"FONT: 10pt arial; font-size-adjust: none; font-stretch: =
>> normal"><B>To:</B>=20
>> <A title=3Domc-boats@...=20
>> href=3D"mailto:omc-boats@...">omc-boats@...</A> =
>> </DIV>
>> <DIV=20
>> style=3D"FONT: 10pt arial; font-size-adjust: none; font-stretch: =
>> normal"><B>Sent:</B>=20
>> Monday, December 05, 2005 9:26 AM</DIV>
>> <DIV=20
>> style=3D"FONT: 10pt arial; font-size-adjust: none; font-stretch: =
>> normal"><B>Subject:</B>=20
>> Re: [omc-boats] new member</DIV>
>> <DIV><BR></DIV>
>> <DIV><FONT face=3DArial size=3D2>Welcome aboard, Ryan. You'll find =
>> a lot of=20
>> helpful people eager to help you and share info. Sounds like from =
>> your=20
>> description you have a 1969 Sportsman. They feature a slightly =
>> deeper=20
>> center hull, which allowed them to run drier and a couple miles =
>> per hour=20
>> faster.</FONT></DIV>
>> <DIV> </DIV>
>> <DIV><FONT face=3DArial size=3D2>Blower/Bilge pump can be removed =
>> and torn=20
>> down and the electric motor can be refurbed. Or you could choose =
>> to=20
>> replace it with modern units, but you'll need a new seperate pump =
>> and new=20
>> blower. You could use the old switch to run the blower and setup =
>> the bilge=20
>> to run automatically, when it detects water.</FONT></DIV>
>> <DIV> </DIV>
>> <DIV><FONT face=3DArial size=3D2>Get yourself a Seloc shop manual =
>> that covers=20
>> the OMC 64-77 "Electric-Shift" stringer-mounted drives. If =
>> the boat=20
>> sat unused for a number of years (or was started dry) the rubber =
>> impellor=20
>> in the lower unit water pump is probably in need of=20
>> replacement.</FONT></DIV>
>> <DIV> </DIV>
>> <DIV><FONT face=3DArial size=3D2>Where are you and your boat =
>> geographically=20
>> located?</FONT></DIV>
>> <DIV> </DIV>
>> <DIV><FONT face=3DArial size=3D2>Lee Shuster</FONT></DIV>
>> <DIV><FONT face=3DArial size=3D2>Salt Lake City</FONT></DIV>
>> <BLOCKQUOTE dir=3Dltr=20
>> style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
>> BORDER-LEFT: rgb(0,0,0) 2px solid; MARGIN-RIGHT: 0px">
>> <DIV=20
>> style=3D"FONT: 10pt arial; font-size-adjust: none; font-stretch: =
>> normal">-----=20
>> Original Message ----- </DIV>
>> <DIV=20
>> style=3D"BACKGROUND: rgb(228,228,228) 0% 50%; FONT: 10pt arial; =
>> font-size-adjust: none; font-stretch: normal; moz-background-clip: =
>> initial; moz-background-origin: initial; moz-background-inline-policy: =
>> initial"><B>From:</B>=20
>> <A title=3Dkmoore12@... =
>> href=3D"mailto:kmoore12@...">Ryan</A>=20
>> </DIV>
>> <DIV=20
>> style=3D"FONT: 10pt arial; font-size-adjust: none; font-stretch: =
>> normal"><B>To:</B>=20
>> <A title=3Domc-boats@...=20
>> =
>> href=3D"mailto:omc-boats@...">omc-boats@...</A> </DIV>
>> <DIV=20
>> style=3D"FONT: 10pt arial; font-size-adjust: none; font-stretch: =
>> normal"><B>Sent:</B>=20
>> Sunday, December 04, 2005 8:51 PM</DIV>
>> <DIV=20
>> style=3D"FONT: 10pt arial; font-size-adjust: none; font-stretch: =
>> normal"><B>Subject:</B>=20
>> [omc-boats] new member</DIV>
>> <DIV><BR></DIV>
>> <DIV><FONT face=3DArial size=3D2>Hello everyone. My name is =
>> Ryan and I=20
>> found this list while searching the Internet for information =
>> about a=20
>> Sportsman 155 I recently bought. I'm not even sure what =
>> year it=20
>> is. I will post a picture of it later. It's in =
>> pretty good=20
>> condition except for a few things. The Blower/Bilge pump =
>> is froze=20
>> up and the prop tilt sticks occasionally. The red and blue =
>> stripe=20
>> down the sides is faded which I'm working on buffing out. =
>> The last=20
>> time we had it out it overheated. I'm thinking it is the =
>> stern=20
>> drive water pump. I have no idea what I'm doing so I need =
>> to=20
>> locate a book but I'm mostly interested in finding parts. =
>> Any help=20
>> will be greatly appreciated. =20
>> =
>> </FONT></DIV></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE></BODY><=
>> /HTML>
>>
>> - ------=_NextPart_000_000F_01C5FD1A.E94C5CC0--
>>
>> - -----
>> To get off this list send mail to omc-boats-unsubscribe@...
>>
>> ------------------------------
>>
>> Date: Fri, 9 Dec 2005 23:08:15 -0600 (CST)
>> From: Ethan Brodsky <brodskye@...>
>> Subject: Re: [omc-boats] new member
>>
>> On Fri, 9 Dec 2005, Ryan wrote:
>>> Ok..I got a compression gage. The guy who loaned it to me said I should
>>> check not only the compression but also the tolerance between
>>> cylinders??? I assume that means make sure one cylinder isn't way more
>>> or less the than others. Any idea what the tolerance is + or - ? Is
>>> this necessary?
>>
>> I recently picked up the factory service manual for the 1970 155 HP OMC
>> V-6. It specifies the following procedure for compression testing:
>>
>> (a) Remove all spark plugs
>> (b) Put throttle and choke in wide open position
>> (c) Remove wire from coil to distributor cap and ground securely to
>> engine
>> (d) Attach remote starter switch to starter assist solenoid
>> (e) Insert compression gauge in spark plug port. Crank engine through
>> at least 4 compression strokes to obtain the highest possible reading.
>> (f) Check compression of each chlinder. Repeat a second time and record
>> the highest reading for each cylinder
>> (g) The recorded compression pressures are to be considered normal if the
>> lowest cylinder pressure reading is more than 75% of the highest
>> (h) Example: 129,135,140,121,120,100 - 75% of 140 is 105. Thus, cylinder
>> 6
>> is less than 75% of number 3. This condition, accompanied by low
>> speed
>> missing, indicates an improperly seated valve or worn or broken piston
>> ring.
>> (i) If one or more cylinders reads low, inject about a tablespoon of
>> engine
>> oil on top of the piston in low reading cylinder through the spark
>> plug
>> port. Repeat compression check on these cylinders
>> (1) If compression improves considerably, rings are worn
>> (2) If compression does not improve, valves are sticking or seating
>> poorly
>> (3) If two adjacent cylinders indicate low compression and injecting
>> oil does not increase compression, the cause may be a head gasket
>> leak between the two cylinders. Engine coolant and/or oil in
>> cylinders could result from this defect.
>>
>> Also, for Mark (the guy with the boat that won't go), the shift coil
>> resistance should be between 4.5 and 6.5 ohms, not the 2.xx ohms I
>> quoted earlier. The current draw is specified as 2.2 +- 0.2 A.
>>
>> Ethan
>> - -----
>> To get off this list send mail to omc-boats-unsubscribe@...
>>
>> ------------------------------
>>
>> End of omc-boats-digest V1 #427
>> *******************************
>>
>> -----
>> To get off this list send mail to
>> omc-boats-digest-unsubscribe@...
>>
>
>
> -----
> To get off this list send mail to omc-boats-unsubscribe@...
-----
To get off this list send mail to omc-boats-unsubscribe@...
Received on Saturday, 10 December 2005
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