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    runs all day until shut off no spark

    I have a 1995 mercury sportjet 90hp which is an 85 hp 3 cylinder force with mercury ignition. It runs great and will run as long as you want. But when you try to restart there is no spark. Let it sit for an hour or so and again will run the take out of gas if you want but shut off and again no...
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    JonnyRude big twin "A" SUFFIX gearcase

    I came across a 40hp big twin with a winged gearcase. I Iooked it up and the parts breakdown shows it being called an "A" suffix gear case. Any info on this design would be great. Also does it use standard gears? Thanks for any help.
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    choke solenoid types

    Looking over some electric choke solenoids and wondering what the differences are. I see single wire with ground and dual wire with ground. I looked at the wiring schematics for several years and is seems the dual wire with ground type are wired different ways. Some run the second "hot" wire in...
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    JonnyRude 85hp water tell tale location

    Thinking of putting a water tell tale on my 1976 evinrude 85hp. Is this a good location? Thanks for any help.
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    JonnyRude water tube guides

    I'm working on a 1976 85 hp Evinrude. Both water tube guides are missing part numbers 0314765 — GUIDE,WATER TUBE LONG and 0314081 — GUIDE,WATER TUBE SHORT. Part number 78 and 91 top left of the picture. They are on top of the water pump housing. It has been a couple years since I had one of...
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    2000 Johnson 50 hp J50PLSSM crank rod issue?

    I'm rebuilding a customers 2000 johnson J50PLSSM. The lower piston and cylinder look like they didnt get any oil. Upon inspection when pulling the pistons out I noticed that the pistons were oriented correctly on the rods but I believe that one of the rods were installed at some point with one...
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    1987 force leak after power head reinstalled

    I have a leak that I cant figure out after I reinstalled the power head on a 1987 50 hp. I don't want to pull it again if someone has some advise. It's leaking just behind the bottom left corner of the exhaust box. I pulled the exhaust box back off and used 847 on all gaskets but no joy. I'm...
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    force 125 1989 full throttle timing

    I'm working on a 1989 force 125 hp. I have static timing at 28 degrees wot. The issue (maby) is when I back off the throttle a fraction the trigger actually moves further advanced then wot. It's like it goes to full advance then comes back a degree or 2 at wot. I have not tested the static...
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    force trigger 507y8c 88 50hp

    I'm working on a 1988 50 hp force with prestolite ignition. All checks out well ohms but the trigger on 1 pair starts at .43v and drops to less then .3v while cranking. This is the side without spark. Very strange that it shows 50 ohms like the other side though? The side that fires shows 1.5v...
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    1973 johnson 65 hp power trim or only tilt

    Is the oem tilt assembly just tilt or trim as well?
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    dual line to fuel pump conversion question

    I have used all of the normal methods of converting a dual line engine to a fuel pump with great success. My questions is that I have some leaf plates for various engines that don't have the check valve holes machined into the plate. (5.5 hp and 18 hp) Can I just use the newer leaf plate and...
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    50's jonnyrude gearcase vs 57 up gearcase 22ci

    I was working on some old outboards and noticed that the 10 hp 1956 Johnson gearcase, gears, water pump, etc are the same or very similar to the 22ci 18,20,25 models from about 1957 up starting with the 18 hp fastwin. I generally don't buy anything older than mid 60's but got a great deal on a...
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    Does your force pull the steering wheel out of your hand

    I was at the launch today talking to a guy who has a bayliner cobra with a 125hp force. He said he liked everything but how hard it pulls when running. I told him about the minor grinding that I have done on all of my snouts to move further to the left to completely eliminate any steering pull...
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    johnson 40 hp 50 hp carb size and main jet size

    I installed a set or big bore 50 hp carbs and Boyeson reeds on my j40tlenm 40hp. The stock main jet in the 40 hp carbs is a 47d. The big bore 50 hp carbs use a 49d main jet. (50 hp carbs are from the same 1992 year engine with early build carbs) My question is how is it possible to run such a...
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    Timing 1992 johnson 40 hp

    I need a measurement between the links in mm if possible Please. Could be 40hp or 50hp with this style timing link. Thanks
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    static timing possible 1992 40hp

    I have a 1992 johnson 40 hp short shaft power trim engine. Is there a static timing method for this engine like there is for force and many others? I have never seen a static timing number for these engines. The local outboard shop does not have a test wheel for this engine. They say they go to...
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    hard start 1989 force 125hp good info

    I have a 1989 Force 125hp b model. I have owned this engine for about 3 years. I have it running great, (kind of) idles great in gear, Has good mid range and good top end, everything about running is good. A little history. I have rebuilt both carbs with floats etc 2 times since owing always...
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    johnson 40hp to 50? hp with pictures

    I have a very heavy 16.5" welded hull aluminum full windshield fishing boat. I have a j40tlenm short shaft 40 hp Johnson power trim motor. I can spin a 17p prop about 4100 rpm @ about 26 mph. I can spin a 15p prop at about 4400 rpm @ about 27mph. The 17p is an older design without any cupping...
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    change 1 piston evinrude 1995 115 hp

    I'm wondering if it's possible to change a piston without pulling the power head and splitting the case on a 1995 Evinrude 115hp.
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    Holly Crap 2 piston/ring failures in 2 weeks

    So about 2 weeks ago I lost compression in #1 top cylinder and found the top ring broken off destroying the piston but the cylinder looked good. Installed a new used piston/ring and all was good for about 2 weeks. Today I was doing a full compression test as the last time out top speed and rpm...
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