ATV Mudding Questions.

by Bonnie

One way check valves help keep mud and water out of vent lines.

One way check valves help keep mud and water out of vent lines.

What type of check valve do you use for the vent lines to keep water out? Also, what if anything can I put on the muffler to help with the mud sticking?


World of ATVs Comment: Good questions! We like the one way air check valves normally used for aquariums. You can also check with your local dealer for something similar. Some of the smaller inline fuel filters can also be used as one way valves.

Exhaust systems are hard to keep clean, especially after the mud gets baked on. You can't really spray anything on the exhaust because it will just burn off as soon as things get hot.

The best you can do is to keep the exhaust system as slick and clean as possible. If you have a stainless or aluminum muffler, clean and polish it after a ride.

Some of the ceramic hi-temp paints that have a slick finish work well on the painted steel type mufflers.

The general idea is to maintain as close to a non-stick surface as you can. The rougher the surface, the more mud will stick to it.

Hope this helps and thanks for the great questions. If anyone else has any ideas, send 'em in!

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Check Valve Direction
by: World of ATVs

Check valves should be installed inline in the vent hoses coming from the belt housing or diff cases. Direction should be to let air out and prevent water from entering. If you can't tell which end is which, blow through one end of the valve to see which end lets air pass through. Install it in the hose to let air pass FROM the case or housing.

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One way valve?
by: Anonymous

So for the one way check valves and the breather hoses. Aka the case and front and rear diffs which direction are they installed

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Thanks for the ATV mudding tip.
by: Sean

Thanks for this tip! Always wondered how the check valves worked.

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