The intake control system includes an intake valve that allows {HEAD ~ a variable amount} of {TAIL ~ air} into an air cleaner depending on vehicle speed 
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The intake control system includes an intake valve that allows { HEAD ~ a variable amount } of { TAIL ~ air } into an air cleaner depending on vehicle speed
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH