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    99 evinrude 70hp 4 stroke code 25

    I have a check engine light on the tach. When I turn the key switch on, it flashes twice, pause, flash 5 times, pause, flash 5 times, and keep repeating the 5 flashes. so I'm assuming it's a code 25 or 255. Engine will start, idle and run up to about 3300rpm before it starts to surge, (safe...
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    "71 25hp lower unit interchange?

    just wondering what yrs shared the same bottom end? i know the 18,20,25 were basically the same motors, but did they share the same bottom ends? and what yrs? thanks
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    speedometer question

    im looking at used 30+yr old speedometer for sale in my area. the seller does not know if it works, and gives no garuntee that it will work, my question is: how often do speedos fail? should i be concerned? it looks like they stripped a boat down and are selling parts, as they are also...
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    1983 115hp problems?

    im looking at a boat with a 1983 johnson 115hp on the back. what are some common problems with these motors? anything i should be looking for when testing it out? what should the compression be at ? Thanks for the help
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    71 25hp wont start

    I picked up a 71 25hp that had a broken throttle cam. previous owner said it ran great untill it broke. i replaced the cam, and now it wont start. its a rope start, has good spark on both cylinders. looks like one coil might be original, but still provides good spark, and points look good...
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    71 9.5hp wont stay running

    picked up a used 71 9.5hp, dont know how long it sat for. since getting it, i have replaced, points set, both coils, j6c plugs, impeller, lower unit oil, starter rope.... it has good blue spark from the tester, and has 55psi compression in both cylenders. it will start up for a second with...
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    power tilt trim compatibility?

    ive got a 91 50hp merc with power tilt/trim. im looking to upgrade the engine and found an 88 70hp merc with controls, but no power tilt/trim. will the 88 70hp bolt up to the power tilt/trim unit i have on the 50hp? and will the controls off the 91 work on the older 88? thanks
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    1971 9.5hp compression?

    i think i saw somewhere that the compression on these 9.5's should be around 60+psi? i just did a compression test on this 71 that i just picked up, and im getting 53psi on the top and 55psi on the bottom cylinder. are these values low? anything i can do to raise compression without tearing...
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    points screw size?

    im working on a 1971 9.5hp motor. The previous owner gutted the ignition system and im missing the screws that hold the coil and condensor wires to the points. These did not come with the new points set i picked up. anyone know the screw size and thread pitch? thanks
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    carb gasket obsolete QD-14, now what?

    so my carb is leaking at the float bowl gasket on my 53 10hp. called up the dealer, and that gasket is obsolete/not available anymore can i make my own gasket? and with what material? or should i use the old gasket with some type of sealing compound? Thanks
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    fuel lines?

    does it matter what kind of fuel lines i use in the engine? the original black rubber lines on my 53 10hp are starting to dry out and crack. could i use clear fuel lines? or do i have to use the black stuff? im still running the the original pressure tank, can i replace the tank lines with...
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    QD 14, no spark on one cylinder

    Im trying to get this old motor to start, and i dont have any spark on the upper cylender. it has new plugs J6C and what appears to be original wires. i removed the flywheel, and the coils have been replaced along with what i assume the points and condensor by the previous owner about 15+ yrs...
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    1980 9.9 lower unit?

    what range of motor hp and years will fit a 1980 9.9hp evinrude E10RCSE? the gears in the lower unit shattered when it hit a rock. case still looks good though. i checked the top secret files, but it only shows 40hp+ i have a 9R-71R i could use for parts, but the case is different in size...
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    1953 johnson 10hp stuck in gear

    the motor has not been used in 15+yrs. and im trying to get it running again. its stuck in gear. the gear oil is clean (not milky) i dropped the bottom end, and i still cant shift it by hand. i dont want to split the gear case as the seals are still good. its a QD-14. any ideas? thanks
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    1953 seahorse 10 carb rebuild

    ive got a 1953 seahorse 10, QD-14. the carb needs a good cleaning/rebuild. has not ben run for over 10yrs. where can i find a carb kit? the sierra kits start from 1954. will this carb kit work on my 53? any help would be greatly appriciated thanks
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