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  1. R

    Mercury classic 50 HP - part 2

    ????----Of course the piston comes out of this engine !----It just comes out in a different way.----This motor must be taken apart.
  2. R

    Fuel system

    If the primer bulb collapses the fuel pump works very well.----Once a motor starts the primer bulb does NOT need to be hard !
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    Fuel system

    This should be easy to fix.----Test run with a 6 gallon tank and hose.
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    1954 Evinrude 25 - Build Compression, Lose Spark

    There are 2 coils under the flywheel.-----There is no primary coil.-----This magneto is elegantly simple .---Used on motors from 1.5 to 40 HP.----Installed from 1950 to 1990 models.----You replacement ignition parts are factory original , or something else?
  5. R

    Why o' why?

    ???---Carburetors are but a small issue with motors.----What other trouble shooting has been done if any?
  6. R

    Fuel system

    This should be a simple fix !
  7. R

    Fuel system

    When the bulb collapses there is a blockage between the bulb and the fuel supply.---You checked the valves in the bulb ?-----You checked inside the tank ?----Checked anti syphon valve ?-----Why the " industrial " language for what might be a simple fix ?
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    Attempting a motor rebuild

    ???-----Take the motor apart first !!!-----Inspect all parts.----Then decide on a path forward.----Needle bearings on the rods are usually OK to reuse.----Reeds are very durable and rarely need to be replaced.
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    100 HP firing order

    100 HP firing order.----for Cbboats.-----The distributor cap is marked with cylinder numbers.-----Did you have the belt off ?----What is your motor doing / not doing ?
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    Fuel pump Gale 12S13B

    ???----These pumps are very reliable / simple.----So easy to replace the diaphragm.-------These motors did not use roller bearings on the crankshaft like the 18HP Johnson / Evinrude did.
  11. R

    Mercury classic 50 HP - part 2

    Motor needs to come apart for inspection.----Then repair as needed.-----Looks like something broke INSIDE the motor.-----That resulted in the damage seen in the second picture.----Not difficult if you can do the work yourself.-----Hard to find a shop that will take on this kind of work.----And...
  12. R

    Are vacuum hose diagrams available?

    The factory manual has diagrams for the oil recirculation system hoses.----And for the electric fuel primer valve hoses.----I do not believe there are " vacuum " hoses.-----What is your motor doing / not doing??----What trouble shooting has been done if any ?
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    1983 25 HP Johnson hand wind starter scraping flywheel.

    I would say 0.010 / 0.015 " thick.----But have a good look at the recoil sheeve to see if it is loose.-----And see how much the flywheel will lift up.----Perhaps a bad bearing on the bottom of the crankshaft??
  14. R

    1983 25 HP Johnson hand wind starter scraping flywheel.

    Try a thin washer/ shims in 3 places and see if noise goes away.
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    1998 Mercury 75 HP 2-Stroke RPM Issue - Possible Stator Problem?

    Cylinder sleeve out of position ?-----There is no mention of a new water pump impeller.----That motor needs a new one about every 5 years.
  16. R

    Tower of Power 1150 - unknown year - side bowl carbs float-needle valve issue?

    Agreed ---decals are for 76 / 77 model year,------It shows typical wiring issues for those years.----Clean / inspect the 3 carburetors.----Install fuel pump kit.-----Install new water pump impeller.-----Eliminate the " back drag " feature on carburetors.------Clean inside of distributor cap.
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    Power head swap

    The SLEBS is a 1990 model " crossflow " design.-----Shift rod would have to be changed and actual driveshaft length would have to be checked.----
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    1977 Evinrude 25hp

    It has to be in gear to get full throttle.
  19. R

    Attempting a motor rebuild

    Agreed---Spit the block and inspect / repair as needed.-----Some folks want to save time on short cuts.----But they usually find time to do it over.-----It is simple nuts and bolts work.
  20. R

    Pull start only engaged only when I pull fast

    Time for you to look at some simple recoils I think.-----Say a 1979 model 6 HP Johnson.----Or a 1975 model 25 HP Evinrude.----Plus many other examples.----This is why some folks struggle , they do not understand simple stuff.----I struggle with a TV remote control.-----Not with simple mechanical...
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