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    New Flapper rattle at idle?

    So, I just replaced my flapper, or depending on how you look at it, installed a new one after the prior one disintegrated. :) Anyway, I've noticed a consistent rattle that seems to be coming from the exhaust pipe. I put my hand on the pipe where the flapper is and I can feel a vibration...
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    TDC0 on Merc 140, while engine in boat

    I am attempting to adjust the valves after a head gasket replacement and valve job. The motor is still in the boat. I have the service manual and I understand the steps to perform the valve adjustment with the motor off. I am however having difficulty getting my mark to align with TDC0 on the...
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    Pop during final torque of head

    So, I am (was?) close to finishing a head gasket replacement and valve job on my 181cu Mercruiser 140, Alpha 1, Gen 1. On one of the head bolts, I heard a pop on the final torque. Engine block was drained days ago, block threads were chased multiple times, blown out with compressed air too...
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    Mercruiser 140 Carb/Fuel?

    Having a very minor issue with my 1986 Rinker with a Mercruiser 140 Alpha One Gen One, I want to address it before it becomes a major issue. It starts and performs generally well. I've noticed two things: (1) upon initial acceleration, there is a momentary hesitation before it picks up, (2) at...
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    Mercruiser Alpha 1 Gen 1 Project

    Whelp, I got myself an unintended project. Recently bought a used 1985 Rinker with a Mercruiser 140 and Alpha 1 Gen 1. Pretty sure the universal joints are toast (heavy clicking when I turn the steering). To make it spicey, when I was testing out, I managed to tag a rock. The prop was...
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    New Boat Purchase - Stuck Manifold drain plug

    Hey there, I tried searching for this and couldn't find any particular answer. I plan on buying a 1985 Rinker with a Mercruiser 3.0 140 in really good condition. After looking at the boat, the owner remarked the coolant drain plug on the manifold was stuck and he just left it there. He said...
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