Did a bunch of searches first, but no luck. Anyone know what needs to be done to increase a (late 90s 4 cylinder 40) to 50HP? Thinking carbs & maybe some other stuff. Thanks!
Asked a lot of questions on here about carb, 4 str<br />& Optimax last summer. Bought a 04 115 4 Stroke last Sep to replace my 00 115 Carb. Here's is what I noticed:<br /><br />Engine on a Key West 1720 DC, used same prop on new motor--19" Stainless 3 blade w/ no vent holes<br /><br />115...
