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    Merc Flywheel Compatibility

    So im having problems finding a USED flywheel for my 90hp merc. A local shop near me has one that looks identical to a T but he tells me that since the numbers dont match up it wont work. He also said it was because it came off a 4cyl as opposed to the 3cyl I have. Can anyone maybe...
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    What to use for Gasket on Crankcase cover

    Finishing up a rebuild on a Merc 90 3cyl and my book says to use a loctite gasket kit in place of an actual paper gasket on the crankcase cover. Problem is that item is hard to find around here and im pressed for time. Is there an equal substiture such as any high heat form-a-gasket sealant...
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    Aftermarket Pistons for Merc????

    Help. :confused: I aquired a 90 HP Mercury that had no compression on the lower most cyl. I stripped the block and pulled the crank and found that the piston is shot. :eek: I need a new one and while im at it I should get the other 2 since they are shady. Somebody Please tell me that there...
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    Mercury Problems/Flywheel

    Hello, I recently purchased a boat with the Mercury 90 HP 3cyl. I couldnt get it to run on all 3 cyls so I figured plugs and wires needed replcement since they were corroded. I ended up replacing plugs, wires, coils and the switchbox all to no avail she still runs on 2 cyls. Im blaming this on a...
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