MOPED ARMY

ya im getign a furl line filter from the tractor place up the street because my tank has a little bit of rust in it

Danny,

A gas tank with gasoline in it doesn't rust - there is no air or water. Just liquid gasoline and gasoline vapor.

So if you have rust - I would drain and pull the tank and first look for accumulated water in the bottom. They can run for a long time with just a little water in the bottom of the tank.

Drain, flush, and refill the tank - look for water drops in the container that you drain the tank into.

If you have rust you can clean the tank by filling it with white vinegar.

PHM

Danny,

I have been working on and riding old motorcycles for a long long time. The res stuff is almost certainly rust particles. And tank rust comes from water.

Clean and flush the tank really well with first gasoline and then alcohol. Let it dry - an air hose or hair drier work for this. Pour in a gallon or two of white vinegar. Let it sit over night. Rinse it well with gasoline.

Re-install it with a motorcycle-grade fuel filter.

And, even if I am completely wrong - at the very least you will have proven that it wasn't water/rust. <g>

BTW: Always keep the tank as full as you can - especially during times of limited riding.

PHM

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It's also possible you got a rusty batch of gas, maybe from a metal gas can or from a mom and pop gas station.

Grey

Live to ride, Ride to work

It may not be rust. You or the factory might have over oiled your K&N filter, which uses red oil. It's nasty sticky stuff, but not as bad as foam filter oil.

Get a filter cleaner kit, and wash it. If you use the spray oil, make sure you are pretty far away from the filter and dust it on. It will wick and spread around. You want the filter to have an even color, but not drip.

The filter oil will still let you run, but it may eventually gum things up.

That little bulb of oil would do your filter a couple of times. If you used it all at once ,what you have probably found is the excess in your carb throat.

you never did say what kind of moped it is. if you have a drain screw on the carb, drain the gas out every day. also get a hose that will reach to the bottom of the tank and siphon the gas out while you shake the moped. you have to babysit that gas and if you don't the moped will die on the road. get all of the gas out and make sure only good gas goes in. i put it in a big can and put a shirt over the spout to strain the gas and only pour from the top. it's a headache, but beats pushing the moped. that crud that you're getting is 1% you, and 99% the gas station.

Filter your old gas through a coffee filter

cool.