Apr 19, 2017 · Decarb dates back to the days of using regular 30 weight oil as a 2 stroke lubricate. Modern 2 stroke oils have pretty much eliminated the need to decarb a motor in …

Nov 14, 2003 · It explains the need for doing a decarb as part of your regular maintenance.<br /><br />""As for the carbon or coking, it all has to do with combustion temps and load in a 2 …

Mar 11, 2011 · Re: Which decarb procedure? Make a decision, either way is vastly better than broken rings. My compression went from 70 to 80+psi. I prefer spraying into cyl's, leave to …

Jun 25, 2023 · take the head off, wire brush on a drill . there are lots of DE carboning additives out there that will work , but personal preference with 2 smoke is to take the head off and get all …

Jan 11, 2016 · Decarb. Mercury sells Power Tune OMC sells Engine Tuner. Yam sells their equivalent. These are all the same product. I've never liked Seafoam. I tried it in a test with the …

Feb 11, 2009 · Decarb, take a can of seafoam put 3/4 of it in the gas tank, with only 1 gallon of premixed gas. put the rest in a spray bottle. start the engine, and let it come up to temperature. …

May 24, 2007 · Re: Scientific evidence for decarb Never did it to an outboard, but I used to decarb chainsaw engines before preparing them for kart racing. Before and after depends on how …

Aug 15, 2003 · Re: How to de-carb an Optimax Removeing the plugs and soaking the cylinders is the prescribed method.You will however find getting those bottom plugs out tedious and back …

Apr 15, 2003 · Re: Is this a proper way to decarb an outboard? SeaFoam is a fuel additive and should be added to the gas tank at the recommended ratio. It works as a fuel system cleaner …

Jul 21, 2011 · I want to decarb my newly acquired 1979 70hp outboard. I've read some of the suggestions on here and most people say to spray the seafoam directly into the carbs at some …