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    1971 7.5hp model 217-58820 with wrong lower unit and shaft length

    I have a 1971 Eska/Sears model 217-58820 that I am trying to restore. It was a trade in I got while working on a friends motor. It seems that the wrong sized lower unit driveshaft was installed. I removed the lower unit after there was no movement when the shift lever was engaged and the...
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    1999 Evinrude Ficht 150hp flywheel housing cracked and starter jams

    My friend has a 1999 E150FPLEE that the flywheel housing is cracked where the starter engages into the flywheel and when you turn the ignition key the starter clunks and jams after it hits and pushes up the cracked spot in the cover. We were going to do some research before tearing it apart. is...
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    2006 Yamaha T50TLR 4 stroke with EFI that will run for up to 40 minutes and then stall

    Have a 2006 Yamaha T50TLR 4 stroke with EFI that will run for up to 40 minutes and then stall out and not start. If you let the engine sit for a while it will start back up after it cools down. We have replaced the low pressure fuel pump and replaced the fuel lines but still have the same...
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    BF50D 2006 fuel restriction issue with grommet the same as the Yamaha T50TLR??

    A friend is having a similar issue with his 2006 Yamaha T50TLR motor. It will run for up to 40 minutes and then just die in the water. He replaced the low pressure fuel pump and fuel lines but no change. The diagram for the Fuel pump shows the high pressure fuel pump has the same configuration...
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    Shift Intercept switch location on 1974 Mark Twain with 165 Mercruiser

    Working on a 1974 Mark Twain with a 165 Mercruiser for a friend that has no spark. I have traced it back to the shift intercept switch as the potential problem but I can't find where it is on the boat. Can someone tell me where it is or send a picture of it's location?? He doesn't have a manual...
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    BF50D Fuel pump issue

    I have the same problem with my Honda BF50D2LRT. The motor runs great for about 15 minutes and then just dies out. Wont start. There is gas in the VST. Can you tell me where that grommet is located and what part it is on the diagram ?? Sorry to not start a new post but this is whats wrong with...
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    2002 60 HP 4 stroke Big Foot fuel no start enrichener issue???

    I have a 2002 60hp model 60ELPT BF that i can not get started. Carbs have been rebuilt and cleaned, new fuel filter, new gas lines, new primer bulb, new plugs, new enrichener. It has good spark and compression is 165 on all cylinders at WOT. I have tried shooting gas into the carbs with no...
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    2002 50hp bigfoot 4 stroke compression issue

    I,m working on a 2002 50hp bigfoot that was running fine and then just stuttered and stalled. Was towed to dock and will start but runs rough. Checked compression and all 4 cylinders are at 100#.This is way below the 180 to 210 spec. It seems like the head gasket blew. There are no apparent...
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    1998 40hp Force replacement trim & tilt

    I'm working on a 1998 40ELPT serial # 0E310781. The trim motor is shot and the pump looks bad too. Can I use a 1992-94 Force trim and tilt assembly to replace this one. They look very similar.
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    2008 50hp Mercury 3 cyl 2 stroke with bad compression on one cylinder

    Purchased a 2008 50ELPTO serial no 852067t98 with low compression on one cylinder. Cant afford a new power head but would like to purchase a used motor or power head to fix it. What model years can I use as a donor for this motor? I see a lot of 1990 up motors available
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    1989 mariner 20hp will not start has spark and gas

    Serial number oc194489. Has great spark and compression at 105 per cylinder. i replaced the old carb with brand new one and checked adjustments to spec. Replaced all gas lines and vacuum lines, new spark plugs, new gas mix and good tank and hose that work on other motors. I removed flywheel...
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    1975 mercury 7.5hp no spark

    I have a 75 7.5 hp Serial #4555695 with a no spark condition. I have completed the troubleshooting test off of the mercury manual and everything seems to point to the switch box. When I disconnected the orange stop wire still no spark. The coils test out at 1700 resistance which is to spec...
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    1971 4hp Mercury No spark need help with findings

    No spark condition. I have don No spark condition. I have done the stator and coil test specified in the Merc 40-75-110 thunderbolt ignition diagram for my 1971 4hp mercury serial # 3030486. I only have a radio shack tester and these are my findings.I disconnected the green stator lead and...
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    1980 99 hp Chryslerno spark need help

    I've got a 1980 model 92H0 I've got a 1980 model 92H0G chrysler 9.9 with no spark. I finally got the flywheel off after a lot of tapping with a brass hammer and prying with a pry bar. The coils and condensers all check out within the required tolerences. Everything looks clean except for some...
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