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    U-Joint removal in Alpha One

    I have my upper drive off of my 1986 alpha one. I am having trouble getting the u joints removed for replacement. I have taken off c clips but how can I get the u joint out of the spider? My book doesn't do a good job showing/explaining. Any suggestions?
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    U-Joint removal in Alpha One

    I have my upper drive off of my 1986 alpha one. I am having trouble getting the u joints removed for replacement. I have taken off c clips but how can I get the u joint out of the spider? My book doesn't do a good job showing/explaining. Any suggestions?
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    Special Tools for drive repair?

    Several websites and my manual call for special tools to remove and replace gimbal, bellows, and u joints. Which tools are required and which ones are optional? How much do they cost?<br />If I don't own these and they are expensive, am I better off just to take it in to the mechanic?<br /><br...
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    How to evaluate U Joints / Gimbal Bearing

    I have an 86 merc 140 alpha one and I have taken off the upper drive shaft to diagnose (knocking sound was coming from the drive when running on muff). How can I determine if the u joints need replacing? What are the signs of bad u joints?<br /><br />Can I determine if the gimbal bearing is bad...
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    Signs of a bad Gimbal bearing?

    What are the signs of a bad gimbal bearing without lower unit removal?<br />What are the signs of bad u joints without removal?
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    lower unit clanging sound

    I have a 1986 Mecr 140 Alpha 1 and I hear a clanging sound from the lower unit- not sure if it is coming lower or upper. What could this be? Mechanic (not sure if trustworthy) I took it to said this sound isn't normal and thatit might be gimbal bearing or u joint or even something worse. He...
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    overheating on Merc 140?

    I have an 1986 Mercruiser 140 4 cyclinder with raw water cooled system Not in salt water environment. When I hook up garden hose to the lower unit and let it warm up, the temp reading on the dash is about 155-160 F at idle. Is this normal operating temp at idle? I unhooked the hose from the...
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    Accelerator pump travel in 2 BBL. Mercarb

    Rapid Idle to full throttle stalls engine, but not if done slow.<br /> I disconnected the linkage from the throttle to the acc. pump and then turned the pump by hand. I did not feel any spring resistance for say 30 degrees of rotation, and then I did and at the same time saw fuel being injected...
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    Anti Siphon valve cause of Full Throttle Cut off ?

    I have a previously posted my problems with my 1986 Merc 140 hp bogging/ cutting off only on going from idle to full throttle. Already rebuilt carb. I went to a boat service business today and the mechanic said that it could be a dirty or clogged Anti-siphon valve connected at the tank and...
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    Car Vs. Boat Fuel Pump Difference

    What is the difference mechanically from a car fuel pump 1962 Chevy II vs a boat pump for a merc 140 HP. The engines are basically the same ( chevy II is inline 4 cyc 154 CID and boat is inline 4 cyc 181 CID)<br /> The car version cost only $24 but I hear boat version are a lot more $150? What...
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    Fuel In Vent Line from Pump to Carb

    I have a merc 140 and the clear plastic line from the fuel pump to carb was clogged with bright green gum (fuel I think) on both ends of the line. Does that mean the pump needs to be replaced? Could that be the cause of engine cut off when going from idle to Fully open throttle? I have already...
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    Alternator Squeals Like a B$%!#

    I have mercruiser 140 HP. The alt. squeals intermittently particularly when throttle is applied, but when it does it is loud! The belt is alread tighened to the max in the alt. slot. Sometimes when I can pull alt back toward fuel tank while someone is on the throttle it will go away, but then...
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    Full Throttle Engine cut off / bog on 1986 Mecr 140

    I need some help! 87 18ft Sunbird had rough idle and bogged on full throttle acceleration, but on slow acceleration it would get up to speed. So I figured it was time for a mercarb rebuild. I soaked,replaced gaskets and installed new Acc. pump included with Sierra kit for the 2 bbl. Now Idle is...
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