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    Should I update manifolds

    Manifold update? I have a 1978 898 5.0 in a sea ray 197. My starboard side manifold has a crack between the two center cylinders. Knowing these are the original manifolds and risers on the boat I believe it is time for replacement of the whole works. Pricing out new "log" style manifolds and...
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    sea ray 197 prop question

    Hello prop guru's I just picked up a sea ray 197, 1978 model year 190hp merc 898 305 chevy V8. The boat came with an old well used and beat up stainless prop. I cant find any markings on it as to manufacturer or pitch. My question is, what prop would have come on this boat new as far as pitch...
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    What's it called??

    What is the proper name of the black foam gasket that seals the out drive to the transom. MCI out drive, serial#2970347. This sits in a channel in the gimbal housing and seals around the key hole. I need to find a new one, but don't know the proper terminology for ordering.
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    I need help with part#

    I'm having a hard time finding the rubber boot that connects my exhaust riser to the exhaust tube. Merc part# is 45597A1. This is for a 1977 120HP inline 4. I cant seem to find it on iboats. Is there a sierra part# that matches this part?
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    Evinrude 8HP twin info?

    Hello all, I just picked up a motor from a friend of mine. His Grandfather won it in a raffle about 25 years ago or so. I was told he used it once and put it in the basement. The motor is in perfect, clean, looks like brand new condition. The Model# is E8RCEC. The serial # is B1953867...
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    Mystery fitting

    Can anyone tell me what this fitting is for? It's on the intake manifold of my 77 inline 4 120HP right behind the carb. It has a hollow black plastic tube coming from it that hooks up to...
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    "my 77 islander resto"

    Hi Guys, I have this old islander I'm restoring. I have been lurking here for about a year or so. It has now become my life's dream to become a member of the STARMADA!!. How do I sign up? Do I have to sacrifice a glasser to the aluminum gods or something? I will post a pic of my project as...
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    Where's the check valves?

    Ok, so I have a 1977 MC1 outdrive. I'm having a problem with the tilt/trim not staying up. I was told the check valves are bad in the pump. This is my confusion.... In shopping for a new pump [old style prestolite] I see they come as the pump and the tank but the valve body that feeds the...
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    Wiring harness info

    Hi All, I'm in the process of restoring my 1977 StarCraft islander. I just finished the rebuild on the motor and will soon be returning it to it's home in the hull. I bought the boat a few years back and over the years po's have butchered, spliced, taped, repaired with lamp cord, cut, abused...
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    Help finding gasket

    Hi Guys, I'm trying to find a transom seal gasket. This is the cork gasket that seals the gimbal housing to the transom on my MC1 outdrive. I have two part numbers, but neither shows a match on the Iboats website. Part#5373 or Part#27-65373. Am I looking it up wrong? I got the part#'s from...
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    First time

    Hi guys, Well at the ripe old age of 51 I just did my first outdrive removal. It went quite well. Nothing dropped or broken. I was greeted with what appears to be a brand new gimbal bearing and bellows. The guy I bought it from was truthful about that part of the boat at least. I'm...
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    Flame arrestor element

    Hi all, I have a 77 inline 4 120HP. with a rochestor 2BRL. carb. My flame arrestor element looks like it was run over by a truck. The housing is fine. I have been searching the web for a new element with no luck. Anyone have a sorce for a new one?
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    What is it?

    I have a 77 Starcraft Islander, 153CI. inline 4. Next to the carb, on the intake manifold I have a 90 degree brass fitting with a small hollow plastic line coming out of it. The line goes about 2 feet to the rear and connects to nothing. It looks like it may have been for a manifold vacume...
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    Ordering upper shift cable

    I have a 77 Starcraft Islander 153CI. inline 4. Motor serial# 4511052 Drive is MC1 serial# 2970347. Shifter in boat is forward/reverse only, no trim switches. How do I tell what cable to order from Iboats. Do I measure length of existing cable? Is there a part# on the old cable I match...
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    Stupid question?

    I have two trim switches on my dash. One is labeled "up-down" and the other is labeled "in-out". Ok .. so the drive unit has only one pivot point...the hinge pins on the gimbal housing...and swings in only one arch...created by the travel of the rams and determined by the pivot point....Are...
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    Butchered trim system

    I have a 77 Starcraft Islander. The trim switches on the dash are labeled "StarTrim". I have one red switch labeled "in-out" and a black switch below it labeled "up- down". The P.O.has the wiring so butchered up I don't know where to start. Right now, the "up-down" only works for up. The...
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    gasket set 153ci

    Hello, I'm having the head redone on a 77 153CI. mercruiser inline 4. When having heads done on a car I would allways buy a "valve grind set" that included all the gaskets needed to re-assemble. Are marine sets sold like this, or do I need to buy all top end gaskets separately. I looked on...
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    What pump?

    Boat is a 77 StarCraft Islander 153CI. 120 inline 4 Mercruiser MC1 out drive Trim system is dual solenoid 2 dashboard switches one is red, marked in/out one is black marked up/down Labeled as startrim on dash board I need to replace the trim pump due to bad check valves. Looking on the iboats...
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    Oil pressure gauge Question

    I have a 77 islander i'm rebuilding. Motor is the mercruiser 120 inline 4. The boat came stock with the oil light in the dash, no gauge. I want to install an oil pressure gauge. What sender will I need for the motor end? I have new Teleflex gauges. Also, will I have to run new wires and cap...
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    question on trim trouble

    Ok, my lower unit will not stay up. It slowly lowers itself back down. Takes abut 5 minutes to do this. Nothing is leaking and fluid level is full. Bond-o mentioned a while back it might be the check valves in the pump....or bad trim cylinder seals. My question is two part. 1 can the check...
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