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    Yamaha 40 wont run on all 3 cylinders

    I have rebuilt the carbs, spark is blue hot and jumps a mile, compression is even at 110 per cylinder. The motor runs and idles fine on the top two cylinders. The bottom cylinder even though it has good spark and compression, the plugs are wet, will not ignite. I have beat my head on this...
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    Honda BF75 and BF100 What is the difference, besides 2.5 HP?

    Is it just a carb swap? I have a BF 75 with a bad lower unit and a BF 100 with no compression. I plan to switch the powerhead from the BF75 to the body of the BF100. The BF75 is a long shaft,nasty looking motor while the BF100 is in beautiful condition(except for no compression). Will the BF100...
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    1988 40 hp yamaha 2 stroke bottom cylinder plug fouling

    New to me engine. 3 cylinder 3 carbs.Oil injection.110 compression in each cylinder spark in each cylinder, Only running on two top cylinders. Bottom plug is wet and has spark. Looks to be oil fouled ,Need help here. Any suggestions., Could the primer be the issue? It is on the bottom carb.
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    1995 Evinrude 150 hp EXEOM Carb bowl question

    The plastic carb bowl on this motor has a small brass plug on the left side. Mine have started leaking.First one then the others. I tapped them in with a small punch thinking that if conical they will spread thus fix the leak. So my questions are: Will this suffice? Should I try some JB weld on...
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    1988 Johnson 8 HP Lower unit removal

    I removed the three long bolts from the l/u I think the shift shaft is one long shaft that slides up into its slot. I can not get the lower unit off. Thinking the drive shaft is frozen. I have it dropped about an inch or so but does not want to go any further. Do not want to bang it any more...
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    Evinrude 9.9 4 stroke E10EL4EEB Help me out please No Spark

    Just ordered a manual but it wont be here for a week or so. Checked the CDI website and there was no info on this ignition system. Have not worked on 4 strokes ignition in the past. This motor will crank over and spin fast but no spark. Anyone familiar with this ? Can you get me started on what...
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    Powerhead removal 1997 8 HP 2 stroke Johnson

    Removed the 6 nuts and bolts from the exhaust housing. Powerhead does not want to come loose. Before I do something like prying and banging or trying to seperate the power head from the housing forcefully I need to take a breath. I realize that at least the gaskets are holding it in place . Is...
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    1975 Merc 9.8 Exhaust, nowater from telltale

    Started this one up and no water from the telltale. Fine old motor has not been run for a while ,will replace the impeller. The telltale is pumping out exhaust, it is not steam it is exhaust. Would this be the exhaust manifold and gasket setup is bad? How is exhaust entering the cooling system?
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    Mercury 9.9 HP 2 Stroke 1990 Fuel Primer ?

    Motor ran great yesterday but not today. Idled fine started easily until this morning. I noticed that when the fuel primer button is pushed a spit of fuel shoots out the little hole on the side. Motor will not run unless in the choke position. Push in the choke and she dies. Any ideas. I ran a...
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    Are these motors worth buying power packs 4 Stroke Evinrude & Johnson

    I picked up a 15 HP Johnson 1993 4 stroke and a 1999 9.9 Evinrude 4 stroke. Both need power packs which cost about 300.00 a piece.They are mighty big and heavy made by Suzuki for OMC. It seems there are quite a few around for sale not running . What is your thought on these motors?
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    Seized powerhead 1997 8 HP 2 stroke

    There was a leak in the head gasket . I do not know how long the motor has been sitting . I poured sea foam into the cylinders before removing the head hoping it would free up but that did not work. Today I removed the exhaust port and head to have a look. Should I remove the powerhead and break...
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    Replacing powerhead on 1997 8 HP Johnson J8SRLEUC 2 Stroke

    I will probably need to replace the power head on this 8 HP 2 stroke engine. It is seized. Will the 6 HP of the same year work? Are there others which will match ?. What years are compatible?
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    1977 9.9 HP 10R77A Tiller control gear repair

    Just picked up the above motor . I realize that the throttle plate valve in the carb does not open all the way . Upon looking at the mechanisms involved I have come to see that both the Vertical control shaft gear (#109 in the parts diagram) and the Inner control shaft gear (#52 parts diagram)...
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    Trailer Tongue Jack

    Seems simple enough to replace and it is this is my second time doing it. So my question is "if tongue weight is lets just say 250 lbs what weight capacity should my tongue jack be"? Boat and trailer loaded are about 3500 pounds. When hooking trailer to hitch I am only lifting a few hundred...
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    Mercury 2002 15 HP 2 Stroke Water in L/U

    This motor pumps water well.When I went to replace the lower unit lubricant water was visible. I took the lower unit off and noticed that all around the water pump was what appeared to be lower unit grease kind of jellified with water into a creamy white mud. I was going to put in a new...
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    2004 Johnson 15 HP Ignition problems -wiring colors

    This motor has no spark at all. Is this motor a Suzuki? If so do I use the Suzuki wiring chart or the OMC chart on the CDI troubleshooting chart.(Engine wiring cross reference Chart for most outboards) Neither are a match Just received a DVA and would like to get started on this ignition issue I...
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    Tire aand Rim fit question

    13" rims . Blew out a tire on my trailer so I thought I would purchase two new tires One of the old tires will upgrade my spare. Looking online I noticed some tires call for a 5" rim. Not sure if mine are 4.5" or 5". Never knew it made a difference but if it does my purchase will be decided on...
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    Garmin 178c Fishfinder GPS combo.

    Is there an internal battery in this unit. Loses the date when not used for a while. This seems to make locating satellites take longer than it used to.
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    Backing down launch ramp with surge disc brakes

    I have a full size Bronco which I use to tow my 21' Striper with a 150 HP. I always back down the ramp in 4wd. If I do not the boat and trailer weight pull the tow vehicle backwards down the ramp. The nature of the disc system with a surge coupler means I have no trailer brakes ever when in...
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    4 HP 4 stroke Mercury Tohatsu Nissan 2001

    My newest Merc is built in Japan so I thought I would post here rather than the Mercury forum. I have acquired a 4 HP 4 stroke Merc 0R02206 . I recently finished off a Nissan 6 HP 4 stroke thanks to the help I received on this forum. With the 4 HP I am having the exact same issue as the 6 HP...
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