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Old 04-20-2002, 11:30 AM
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Default OS 91 FS w/ pump

Four strokes run fine inverted mounted, specially with a pump. you should not have any problems. you should have three ful lines going to your tank. An out , an in(fuel return) and a vent or overflow that gets routed out the bottom of your cowl. in the tank it should point to the top.