Rough Running Johnson 30 HP

Haffiman

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Dec 17, 2009
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Re: Rough Running Johnson 30 HP

Not sure which prop you are running, but I used to swap out the std 3-blades with the 4-blades they used to have on the 35 HP late 90's. Really drops consumption and great performance. Perhaps a 12" PN 0176424 might be perfect.
http://www.marineengine.com/parts/j...35AREEA&manufacturer=Johnson&section=Gearcase
Try for the test to put a 1" piece of wood on top of the transom, and tilt the engine out at least 1 hole.
 
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