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    87 90HP Overhaul time

    Starting an overhaul of this 90 hp. Removed the heads from the PH and noticed a lot of wobble in the pistons. I do know there is supposed to be some clearance between the piston and the cylinder wall. Just not sure how wuch. How much is to much. <br /><br />Distress
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    1987 90HP carb jets

    Attempting to rebuild carbs on 1987 90HP Johnson. Spoke with local marine reapair shop and was told that the jet size is 56. When disassembled carbs, have two sets of jets in each. One is a 26 and other is a 34. Is this correct? Motor has a decelaration ping. Wanting to up the high speed...
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    Confused

    Ok, I am confused. Can someone tell me what the difference in a 1987 90hp Crossflow vs a 115hp Crossflow of the same year. I have been doing some research and found that mechanically they are the same engine. IE entire engine with electronics. The only difference I have found is the Power...
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    Timing, right or wrong

    Have a 1987 90 HP VRO Crossflow, just recently had to readjust timing. Timing calls for 4 deg BTDC before Pick UP. Is this before Throtle pick up or before timer base movement. Also, the 3 ajustment points on this engine, could someone please Identify each and their use. Especilly the...
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