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15HP Johnson runs great on muffs / bogs at the lake
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<blockquote data-quote="yareelohim" data-source="post: 312945" data-attributes="member: 11169"><p>First thing you should do is make sure your fuel line from tank to motor is NOT backwards. </p><p></p><p>If it is backwards, the vacuum in the carb will suck gas up after a number of pulls and begin running. The moment you go to WOT or close to it, the primer bulb will squeeze shut and bog the engine. You can idle and run slow with a backwards fuel hose but can't run WOT. </p><p></p><p>If that's not the case, I would flush the hoses and fuel filter again. </p><p></p><p>If that doesn't fix it and your confident the carb is clean. Check for a spark on both cylinders. Chance are you could be running on one cylinder. </p><p></p><p>Use the acronym FAST. </p><p>Fuel, Air, Spark, Technology - in that order.</p></blockquote><p></p>
[QUOTE="yareelohim, post: 312945, member: 11169"] First thing you should do is make sure your fuel line from tank to motor is NOT backwards. If it is backwards, the vacuum in the carb will suck gas up after a number of pulls and begin running. The moment you go to WOT or close to it, the primer bulb will squeeze shut and bog the engine. You can idle and run slow with a backwards fuel hose but can't run WOT. If that's not the case, I would flush the hoses and fuel filter again. If that doesn't fix it and your confident the carb is clean. Check for a spark on both cylinders. Chance are you could be running on one cylinder. Use the acronym FAST. Fuel, Air, Spark, Technology - in that order. [/QUOTE]
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15HP Johnson runs great on muffs / bogs at the lake
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