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    Cracked Lower Unit

    I have a 1974 Mercruiser I outdrive with a crack in the lower unit. It?s about an inch below the anti cavitation plate and an inch from the front of the unit incase my picture doesn?t post. There was some putty of some kind covering it like JB weld and it flaked off. Nothing is leaking yet but...
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    1973 Evinrude 135 HP stalls under load

    I?ve had a long time stalling problem with a 1973 135 HP Evinrude, it is slowly getting worse. It will start right up, sit and idle great in neutral and rev right up as soon as I raise the cold start lever but as soon as I put it in gear it stalls, no matter weather it?s cold or warmed up. I...
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    21' Chiefton in the ocean?

    I’m very slowly restoring my 21 foot ’74, 165 HP Chiefton cuddy cabin. I was wondering how these boats do out in the rough stuff? Does anybody else have one of these and run it out in the ocean? The V is not as sharp and aluminum is a lighter then my fiberglass boats even though they are a...
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    How fast should I be going with a 135 HP?

    I have a 1977 Bonito, 17’, bow rider, deep V, ’73 135 HP Evinrude. I realize that’s crankshaft horsepower. I rebuilt the motor when I bought it because all the pistons were broken, I had it sleeved .090 over, new pistons, rebuilt carbs etc… I would guess the dry weight of boat and motor to be in...
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    How fast and what motor is on yours?

    I have a 1977 Bonito, 17’, bow rider, deep V, ’73 135 HP Evinrude. I realize that’s crankshaft horsepower. I always hear of these boats going 45 and 50 MPH. I run 36 MPH at 5300 RPM with two people and 12 gallons of gas. The motor seems to run good, no misses or anything and I tried different...
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    Posting Question

    Maybe someone can help me here, I tried to write directly to Iboats and never received a reply. What are the policies concerning posting a link to helpful web sites or to anywhere else for that matter. I read through the FAQ’s and Forums Help and didn’t notice any guidelines, maybe I’m not...
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    OMC Outdrive ID?

    I’m trying to sell off some of the many, many boat parts I have laying around to help pay for my some of my projects and need some help identifying an OMC out drive. I always had Mercruiser I/O's. It’s on an 86’ Bass Bomber, small V6 Chevy engine, the drive is silver and has a huge rubber...
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    Compression ratio on 250 CI Chevy IL6

    I’m in the middle of rebuilding my old 1973 motor and see that I have high compression pistons since they have a dome on them. I have no idea what the compression ratio is, I asked that question before on here and no one seemed to know. I guess I could do some CCing on the head and see what dome...
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    Mercruiser I Reverse lock? And also trim sender.

    OK, I’ll try to explain this as best I can. It’s on a ‘73 Starcraft Chiefton. Mounted on the stern is a hydraulic mechanism (let’s call it a do hickey if you like) over top of the hydraulic motor for the tilt. It has two wires going to it one is grounded to the tilt motor and the other goes to a...
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    Performance on '73, 21’ Chiefton.

    I’m restoring an aluminum Starcraft Chiefton and the motor is next on my to do list, I’m starting to get a little worried about performance, I hope you folks tell me my worries are for nothing. I bought the boat to restore and never had it on the water. I’ll probably post this same question in...
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    Performance on '73, 21’ Chiefton.

    I’m restoring a Chiefton, the motor is next on my to do list and I’m starting to get a little worried about performance, I hope you folks tell me my worries are for nothing. I bought the boat to restore and never had it on the water. I’ll probably post this same question in the Mercruiser forum...
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    Patching aluminum transom holes

    I am restoring a 73’ aluminum Starcraft Chiefton with a lot of holes drilled in the transom. The guy who owned it before me filled them with silicone. I would like to patch the holes without having to remove the wood beneath the aluminum because I’d have to pull the motor and outdrive which...
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    Mercruiser, kinked raw water pump hose

    While I had my 1973, 165 HP, Mercruiser I drive off too replace the shift cable I figured it would be a good time to replace all the hoses, bellows, and raw water pump. I noticed my old raw water hose behind the drive was kinked when in the fully down position. I measured the old hose against...
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    2 vhf antanas?

    I recently purchased a small cuddy cabin and it has two vhf antanas, one on each side. One has a can of some sort on the bottom the other is just a strait vhf antana, they are both about the same lenth. There is no radio in the boat but I plan to get one and was wondering if there is any kind of...
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    165 Chevy WOT RPM?

    I am curently restoring a 21' Starcraft Chiefton with a in line 250 CI 165 HP Chevy engine. Can anyone tell me the WOT RPM recomendations for this motor? It has yet to see the water but I'm getting there and would like to have the proper propeller on it. Thanks.
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