You first need to remove fuel from tank or drive it till its low. Don't know what kind of luck you will have with putting a 10 foot hose in thru filler neck, but if your gonna try thru filler neck insert hose, cut a notch out of one side , use air wand and blow air into hose out end you cut the notch, should start the siphon for you, don't like sucking on hose because gas doesn't taste good . Depending on how much fuel is left yuo will need 5 gallon buckets or gas cans if using gas cans stick coffee filter in neck where cap goes, remove all fuel possible, remove fuel tank , suggest wd40 or some type of lubricant on line fittings because you will have to lower tank about 6 inches to gain access to fuel lines, spray fittings allow to set 15 to 30 minutes, remove lines, lower tank, take a break, after break, use small hammer and flat tip screwdriver to remove fuel sender retaining ring, tap it counter clockwise, it has 3 tabs that you can hit on, alternate tabs while tapping so ring doesn't bind and stays kind of centered . Remove sender, go ahead and take hoses off the side of tank because it will be on its side while your flushing tank and to get out the last of fuel . Look in tank after fumes have cleared out for a few minutes and see how much stuff is in tank. I would probably use a spray can of decreased or 2 again it depends what's in tank . You will have a baffle in bottom of tank you will have to work around it, you don't want to move it . Spray cleaner into tank using brush or rags try to loosen stuff, drain decreased use water hose to spray/ remove stuff, allow to drain till stops dripping, inspect, repeat if needed, dry rags/ paper towels to dry excess ,re/ck your work reinstall.
