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anybody explain 'Secondary Air ' to me. I know you have to change the air intake filter once and a while to let the engine breath, but is there anything you the to do on the left side under The S.A. cap.
 

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michael erochko said:
anybody explain 'Secondary Air ' to me. I know you have to change the air intake filter once and a while to let the engine breath, but is there anything you the to do on the left side under The S.A. cap.
Secondary air is also known as the Pair Valve. It injects fresh air into the exhaust to essentially dilute emissions. Also known to cause massive backfiring when malfunctioning, most people disable this or remove it.
 
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