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    1983 merc 115 how to link and sync

    A Mercury Service manual is a real good idea, as the procedure has some details. 1 Synch carbs to open at the same time, using adjustment on plastic levers connecting carb throttle plates. 2 Remove spark plugs 2-6 and put timing light on #1. Remove prop. Set throttle such that carbs are still...
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    Hoist engine to remove steering cable? 2001 Starcraft 176

    I think you are very close to getting the steering cable off, w/o moving the engine. Disconnect the cable at the steering wheel end and pull some slack into the splashwell. Now see if you can get the steering rod out of the tilt tube. If not, you can slide the engine to the port side and get...
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    1979 80 hp Mercury swap out

    First the control must push the throttle closed in neutral. Second the idle stop screw must be set correctly. Third, it sounds like you need a Mercury Service Manual for your motor. It will have all the specs you need.
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    Cold start issues

    Most Merc controls have either a separate push button for choke or push the key in for choke. Your motor has the electric solenoid, but the drawings are unclear if you have a traditional choke plate or enrichener. It doesn't really matter much as both work fine. Remember when cold starting...
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    1979 80HP Mercury

    Disconnect the shift cable at the engine. Now when installing the gearcase, move the shift slider a bit to mate the upper and lower shift rods.
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    1990 mercruiser 4.3 no spark

    Sure that is compression stroke half the time. The cylinders fire every 720* of rotation in a 4 cycle motor. You might pull the distributor, rotate the engine 360* and reinstall it pointing to #1 spark plug wire.
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    1979 80HP Mercury

    The best way is to have both gearcase and control in neutral. From my other post: There is a molded plastic fitting that holds the upper shift rod in place, in the midsection. They often fall into the gearcase where they do not function, or they get lost. If you have this fitting, make sure it...
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    1979 80HP Mercury

    Spinning one way with a rachet sound means the gearcase is in forward. Use a crescent wrench to gently turn the lower shift rod CCW until it clicks into neutral.
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    1979 80HP Mercury

    It is best to install the gearcase in neutral, as lower shift rod is in a single position, not a range as in forward. Obviously the control needs to be in neutral as well.
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    Don't tape holes.

    Wet sanding paper can minimize the clogging of sandpaper. I bought an air powered orbital disc sander. It uses velcro fasteners The paint on my speedboat melts when sanded, so the cool wet sanding works. When I removed the decals of my outboard hoods and midsections, I used a heat gun...
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    The midsection on my '93 Merc 135HPV6 has cracked

    OK a slight correction the Permatex was the no. 3 type. I was putting it on the bolts to my poppit valve, when the wind blew and caused a bead on the midsection. Boy I am glad it is not a crack.....
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    Bought Boat and Steering is locked up

    Dub, you do realize that the steering rods bind in the tilt tube far more often than they fail? I think it worth a look, as it would only take .05 worth of grease to fix it, once it is loose. Of course it will take a can of penetrating oil, a pipe wrench, an hour and some rags, plus maybe...
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    The midsection on my '93 Merc 135HPV6 has cracked

    Actually, in the morning sun, vs dusk, it was a long thin drip of Permatex no 1 sealant. It was so consistent and long it sure looked like a crack and passed the fingernail test. F-troop back to normal.
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    The midsection on my '93 Merc 135HPV6 has cracked

    It has cracked from powerhead to just above gearcase. What can cause it?
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    Play on propeller shaft

    Yes, likely normal movement
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    Bought Boat and Steering is locked up

    Outboard steering cables often stick at the engine. Undo the large nut holding the cable to the tilt tube and then turn the wheel. If the wheel and cable insides move freely, you need to attend to the steering rod inside the tilt tube.
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    1979 80HP Mercury kill Switch

    I do not know. The carb throttle shaft and spring are replaceable, if you can find a used carb to cannibalize. On the other hand, it is just a spring. Maybe it can be bent back well enough.
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    Play on propeller shaft

    Gee, some in-out movement of the propshaft in the gearcase is normal. However, the prop is solid. The thrust hub washers and nut when installed and tightened properly, should not allow movement on the splines. Most Mercs have a ratcheting forward gear. This allows the prop to freewheel...
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    1979 80HP Mercury kill Switch

    The upper shift rod can rise up if not mated to the lower shift carb and impact the carb. There is a molded plastic fitting that holds the upper shift rod in place, in the midsection. They often fall into the gearcase where they do not function, or they get lost. If you have this fitting...
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    Raising outboard higher

    Gee, can you put a 2X2 between the motor and transom to raise it up a bit?
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