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View Full Version : pre filter



hungus07trx400
03-28-2008, 07:58 PM
I know this may seem dumb, but i really don't know. I have the powerlid, hmf slip on, and a uni filter, and it's jetted spot on. But I Haven't been running the pre filter on the powerlid. If I put that on, will I have to re-jet again or will it be ok?

brian76708
03-28-2008, 08:28 PM
if your talking about outerwears then i doubt u will have to re jet it

ti2ibal1
03-29-2008, 12:38 AM
No, I would think not. The addition of a pre-filter is just going to increase filtration of small particles of dust and dirt.

The amount of of air passing through the pre-filter is not going to richen your mixture. The flow of air will remain virtually the same.