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So in your opinion, do the vacume lines need to be connected to the intake in order to work properly or can a little filter be attached to the air line and leave it at that?
 

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it would be the same thing as removing your pcv valve on your car/truck and putting an air breather on. the only major difference would be that instead of re-burning the air from the crankcase, you would be spitting those nasty gasses into the atmosphere. (and no, i'm not a tree-hugging hippy:D)
 

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That settles it...I'm changing nothing. I need to go lie down, now...I have a headache.
J/K :p
Thanks for the info, Señor Gar. This topic has been discussed many times on the VTXOA, but I think it is important info. because we, as owners, need to understand the bike and what changes will do to the performance of the bike. :D
 

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Great description

There are no vacuum lines on your Fury unless your name is Tony and/or you live in California :rolleyes:.It's OK Tony, you can come out now ;).

There are two hoses which attach the air cleaner. The larger one provides filtered air via the PAIR valve to the exhaust port assisting unburned fuel to finish burning inside the exhaust system before reaching the atmosphere. The smaller hose allows crankcase blow-by gas (containing burned and unburned fuel) to mix with atmospheric air inside the air cleaner and be recirculated through the combustion process. Both of these functions are designed to reduce pollution of the air we breathe.

The PAIR system will work normally with an external filter. The unburned hydrocarbons and carbon monoxide are reduced to carbon dioxide and water vapor by the PAIR system and catalytic converter inside the stock muffler if they are still in place.

The closed crankcase ventilation system will no longer be "closed" if detached from the air cleaner and will discharge pollutants into the atmosphere. If disconnected I expect the change to the intake air/fuel ratio would be minimal but you will have to go to a higher authority for specifics :D.


Your description & illustration should clear up a lot of confusion & answer several questions.

Thank you for your posting.
 
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