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r100 GS PD Air filter, foam? r100 GS PD Air filter, foam?
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Old 10 Jul 2006
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r100 GS PD Air filter, foam?
I have heard that it is possible to punch out the paper in the air filter and convert to foam. Just to save money. Anyone done this? Is it a good idea?
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Old 13 Jul 2006
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Did that to mine in 86, works fine.


Use a double layer foam, coarse over fine, ala dirtbike standard. I used a very coarse heavy wire mesh top and bottom, cut just a little too big, and bent the ends of the wires slightly so that they dug into the rubber housing a little. Still works fine, still using original housing and foam.
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