What air filter is best?

Caleb Walker /
springpan
Dec 31, 2018 09:57AM

Hey guys, just happen to need air filters for two of my mopeds right now and just wondered what the difference between the foam filter thingies (like this: https://www.treatland.tv/UNI-air-filter-44mm-seafoam-foam-p/uni-seafoam-filter-u-402.htm) , the conical, metal screen ones (like these: https://www.treatland.tv/PHVA-air-filter-p/phva-air-filter-angle.htm), and the other stuff like screens and stockings and other mystical air cleansing devices? I have a dellorto SHA 14.9 on my motto guzzi robin moped. I have access to a 3d printer so I can make adapters and cones and whatever I need.

Thanks Guys!

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Re: What air filter is best?

Overpriced Parts /
roffman
Dec 31, 2018 11:24AM

I don’t like foam filters on most piston port kits because blow by makes the filter wet and water condensation makes it wet and everything sticks to it and restricts flow,

A wet sponge is not good to use as a filter on a piston port engine that really needs no filter to operate correctly/have correct jetting through the range

9mm carb? Why bother changing anything until you change to a bigger carb, exhaust ect.

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Re: What air filter is best?

Caleb Walker /
springpan
Jan 01, 2019 08:24AM

Well here's the situation. I recently bought this Moto Guzzi Robin off a guy for fifty bucks. As of right now its in pretty rough shape and needs allot of stuff to make it rid-able (i.e. seat, cranks, pedals, etc.). Basically I want to clean it up and get it to run stock so I can get an idea of where it is acceleration, top speed, and general performance wise. Eventually I will probably end up doing a new carb and exhaust but for now...

So one other question, you kept mentioning piston port kits. what are they? And is that how a bennelli g2, or any other moped engine would come stock?

Please forgive my ignorance :)

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Re: What air filter is best?

Seth B /
sibryan
Jan 01, 2019 01:42PM

Caleb, check your other post.

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Re: What air filter is best?

Caleb Walker /
springpan
Jan 01, 2019 08:48PM

OK!

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