Seller notes

Replacement Yamaha TTR90 / TTR90E air filter, made in USA. It is shipped un-oiled; add ~2 caps of oil to the filter and squeeze/work it for a minute in the supplied plastic bag, then install. FAQ: How do I oil the air filter? Put ~2 caps full of oil on filter. Motor oil, 2 stroke oil, bar oil are both fine for this. Put filter in bag and squeeze filter to work the oil into the filter. The bag saves your hands getting messy Install What kind of foam is used for the filters? OEM spec small pore po...

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