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    1984 mercruiser 260. Water leaking shooting from head

    I have a newly rebuilt 1984 mercruiser 260. Yesterday water started shooting from a hole in the head. The hole is on port side just above the no. 1 cylinder. It's an existing tiny hole inside a larger threaded hole. Looks like I could screw a cap or connection over it. There is no water in oil...
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    Mercruiser Alpha 1 Gen 1 upper seal bearing pre load

    I had the upper seal go on my Alpha drive and am compiling all the tools and parts for a weekend project. Its a SEI drive and has the "new" bearings without the spacer. Ive read everything and watched the videos and believe I fully understand the bearing preload procedure. My one question is...
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    Mercruiser alpha 1 gimbal ring steering pin rebuild

    Just spent 2 days removing 1984 mercruiser alpha1 gimbal ring. In process of stripping and painting. Can someone recommend an aftermarket steering pin and complete kit?
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    Mercruiser Alpha One Gimbal Transom

    I am replacing my gimbal housing. Why can't I simply remove the outer gimbal housing without removing enigne? It looks like I just need to remove the four bolts on the transom? What am I missing?
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    Quadrajet problem

    Rebuilding my qjet carb and the very rusted primary rod hanger pulled off the frozen power piston. How is the hanger attached? Can I buy a new hanger? Can't find anything on this?
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    1984 Mercruiser 260 quadrajet carb fitting HELP

    Need help identifying a part I lost. I need the brass nipple-connector that screws into the quadrajet 4MV carb that runs via clear plastic tubing and drains-vents into the fuel pump. Its not shown on any of the parts diagrams.
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    prop advice

    I have a 1984 welcraft elite 200 that I repowered with a mercuiser 260 I am struggling to get some prop efficiency. I had a 19p solas 4 blade and was doing 42 mph at 4100 wot. I could cruise at 3000 rpm at 30mph. I went to a 4 blade hustler 17p and wot is 40 @ 4500 with 22. @ 3000. Really...
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    Mystery water in oil

    I have a 1984 Mercruiser 5.7/350 re-powered last year. Ran perfect after full season with re-power last year. Just pulled out of winter storage and drained oil and had couple quarts of water/antifreeze in oil. Interestingly water was totally separate from oil (no brown foam or mush which I had...
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    need prop recomendation

    Looking for prop recomendation for 1984 wellcraft elite 200 bowrider w rebuilt mercruiser 260 (280 hp) alpha 1.5 drive. Right now running mirage plus stainless 15 x 17 and getting 28 mph @3000 and 4800 wot at 42. Boat is listed at 2900 lbs. I I am going 21 pitch but my main question is brand...
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    Prop advice

    Just installed rebuilt engine and need prop recommendation I have a 1984 well craft elite 200 with mercruiser 260/350 with 1.5 alpha. I was running a 228/305. While I am still working through qjet carb tuning issues, I have WOT of 4500 rpms with an aluminum 19 pitch prop. At 4400 rpms I am...
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    Mercruiser 5.7 quadrajet sputters at 3900 rpms

    Just installed rebuilt 1984 Mercruiser 260 5.7 350 (supposed to be 280 hp) in my Wellcraft Elite 200 with a rebuilt carb. The engine starts, idles and runs perfectly until try to go over 3900 rpms when it sputters pops and won't go any more. Its got new plugs, wires coil cap ect.. New fuel...
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    Propeller Question

    I just repowered my fully restored 1984 Welcraft Elite 200 with a rebuilt 350 which is supposed to have 280 HP. Before the repowered I was running a Mercruiser 228 with a oversized (15.25") stainless 17 prop. I have a alpha 1.48 drive. I thought I remember getting 28-29mph(gps) at @ 3k rpm which...
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    Trailer switch won't work

    Have a 1984 mercruiser 260 alpha 1. The Tim up and trim down work but trailer switch won't. Handle and switch are new last year. Assume bad connection at pump. Wiring diagrams don't tell me which wires are for trailer or where trailer wires run into pump or solenoid. I assume its simple...
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    1984 Mercruiser 228/260 intake manifold options

    I bought a 1984 rebuilt 5.7 long block to replace my 1984 blown mercruiser 228 and am in the process of swapping everything over. My current issue is the intake manifold. Its raw water cooled and been running in saltwater for 30 plus years. I have to assume the intake is close to done. I have...
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    Oil screen Pickup

    Just bought a rebuilt 1984 5.7 longblock for my boat to replace my blown 1984 mercruiser 228 I am having trouble tracking down misc parts to complete the engine. 1) Oil Pickup/screen - Merc lists part no. 710-35354 but it is no longer available. Anyone know proper replacement? I found a...
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    engine replacement questions

    Looks like I might have to replace my 1984 Mercruiser 228 (305) and looking for opinions. Would buy rebuilt long block and swap everything over. 1) Rapido looks like the cheapest (1,350 w/ no core). Can I trust them? Any experience? 2) Should I go to 350? I already have 1.5 outdrive. Am I...
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    water in cylinders and oil

    Have a 1984 mercruiser 228 (GM 305). Ran great all summer and died on labor day after sitting for 2 weeks. Started hard but ran well for 10 mins in am. Went to start later in day and starter broke in half. Now realize after the fact it was hydrolocked. Just drained oil and it was full of...
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    Steering Issue

    I've got a 1984 wellcraft with mercruiser stern drive and have a lot of slop in steering. Probably moves 3" without engaging steering(before it moves pivot point in stern). Says "safe T" behind steering wheel. Its power assisted. 1) Is there an adjustment to take slack out of cable? If so how...
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    Quadrajet Vacuum Leak

    I have a 1984 mercruiser 228 with (chevy 305) with a quadrajet. Thing runs great, easy start good acceleration but has a vacuum leak which causes an erratic idle. I wouldn't care so much but I worry about damaging the drive when I have to shift when its at 800-900 rpms. I rebuilt carb last...
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    Mercruiser 228 still overheating

    My raw water cooled mercruiser 228 (alpah 1) is still overheating at high speeds. Cools down quickly when idling. Engine starts and runs properly. No water in engine oil or drive oil. I have replaced: 1) Water pump (incl base) 2) transom hose 3) Engine water pump 4) manifolds 5) risers/elbows...
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