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    1984 Merc 4cyl 2cyc. 75 Hp WOT great! Idle Great! Put into gear..... quits

    1984 Mercury 75hp 4Cyl. 2 Cycle Serial # 6559253. Ended last season like this... WOT runs just fine. Idles forever smooth as silk. Try and drop it into gear and it just quits. You have to keep restarting over and over and try to quickly slam it into gear to get underway. Any help would be...
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    1986 25hp Yam. ESJ no spark

    Please give some troubleshooting tips on this. (year, hp, model .. 86 25-ESJ) Both plugs no spark. Safety switch is fine. It's not been run for almost 1 year and ran very good then. I've got a nice DVM but am unsure of various readings I should have at various components.
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    1986 25 yam. what pitch prop and size?

    What would have been the standard prop for 1986 25 Yam. size and pitch?
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    1986 25 Yam. low RPM

    1986 25 Yam. low rpm. Engine has great hole shot. (Beats my 25 John. every time.) Engine will not come up to speed. It seems to rev to a certain rpm and just throttle itself down to a steady rpm. (I can maintain his speed at 3/4 throttle.) All linkages seem to be fine. Carb is full stroked...
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    86 25-ESJ Yamaha low rpm/ low power.

    I'm new to this group and have enjoyed your forums. I've now come across something I'm having trouble fixing/troubleshooting. Please help. Here goes. 86 25-ESJ Yamaha. Main trouble. Engine has great hole shot but will not come up to speed. Compression is very close to 120 in both cylinders...
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