?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+PENGGUNAAN+TABUNG+INDUKSI%0D%0ATERHADAP+PRESTASI%0D%0ASEPEDA+MOTOR+BENSIN+4+LANGKAH&rft.creator=Junaidi+Supratman%2C+0515021050&rft.subject=+&rft.description=The+development+of+automotive+technologies+aims+to+improve+engines+performance.+YEIS+tube+(Yamaha+Energy+Induction+System)+has+been+able+to+enhance+the+performance+of+the+motorcycle%2C+namely+increased+acceleration+and+top+speed+and+saved+fuel+consumption+of+Yamaha+RX+King.+Therefore%2C+the+use+of+induction+tube+on+a+4-stroke+motorcycle+is+expected+to+be+able+to+increase+the+volumetric+efficiency+of+the+suction+stroke%2C+so+that+the+power+(acceleration)+of+the+engine+can+increase+at+low+speed+at+low+speed.+Tests+of+using+induction+tube+in+a+4-stroke+motorcycle+is+required+to+observe+the+effect+of+the+induction+tube+position+on+its+performance+and+emission.%0D%0AThe+tests+were+carried+out+in+two+stages%2C+namely+engine+performance+and+exhaust+emission+tests.+The+engine+performance+tests+were+carried+out+in+road+tests+(fuel+consumption+test+at+an+average+speed+of+40+kph%2C+acceleration+of+0-80+kph+and+80-100+kph)+and+stationary+tests+with+the+engine+speed+variations+2000+rpm%2C+4000+rpm+and+6000+rpm.+The+induction+tube+mountings+on+intake+manifold+were+varied+at+positions+of+JS150+(15+mm+from+intake+manifold)%2C+JS+375+(37%2C5+mm)%2C+and+JS600+(600+mm).+Whereas+at+the+exhaust+emission+tests%2C+the+tests+were+only+carried+out+at+JS+150+with+the+same+conditions+of+stationary+tests.+Each+type+of+test+were+performed+for+3+times.%0D%0AFrom+the+results%2C+it+was+found+that+the+fuel+consumption+of+the+motorcycle+could+maximally+reduce+by+27.8%25+in+mounting+JS+150.+The+highest+increase+of+acceleration+were+5.7%25+(at+0-80+kph)+and+23.03%25+(at+80-100+kph)+occurred+also+in+mounting+JS+150.+Mounting+of+JS+150+could+also+reduce+CO+gas+as+big+as+24.86%25+in+stationary+test+(at+2000+rpm).+The+best+result+occurred+in+mounting+of+JS150+for+all+tests.+JS150+is+the+optimal+position.+This+due+to+JS+150+is+the+closest+position+from+intake+manifold+and+the+farthest+position+from+carburetor.+Therefore%2C+at+mounting+of+JS+150%2C+residual+air+and+fuel+mixture+can+be+fully+drawn+into+both+the+line+and+tube+of+the+induction+tube.+In+contrast%2C+JS+600+is+the+farthest+position+from+intake+manifold%2C+so+that+the+residual+air+and+fuel+mixture+cannot+fully+be+drawn+into+the+line+and+tube+of+the+induction+tube%2C+the+mixture+is+partially+drawn+into+carburetor+and+induction+tube%2C+as+in+branched+pipe+system.%0D%0AKeywords%3A+induction+tube%2C+petrol+engine+performance%2C+YEIS.&rft.publisher=Fakultas+Teknik&rft.date=2013-02-11&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6970%2F1%2F2.%2520ABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6970%2F2%2F1.%2520cover.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6970%2F3%2F3.%2520COVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6970%2F4%2F4.%2520PERSETUJUAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6970%2F5%2F5.%2520PENGESAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6970%2F6%2F6.%2520PERNYATAAN%2520.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6970%2F7%2F7.%2520RIWAYAT%2520HIDUP.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6970%2F8%2F8.%2520MOTTO.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6970%2F9%2F09.%2520Persembahan.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6970%2F10%2F10.%2520SANWACANA.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6970%2F11%2F11.%2520DAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6970%2F12%2F13%2520DAFTAR%2520TABEL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6970%2F13%2F12%2520DAFTAR%2520GAMBAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6970%2F14%2F14%2520DAFTAR%2520SIMBOL%2520JUNAIDI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6970%2F15%2F15%2520BAB%2520I.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6970%2F16%2F16%2520BAB%2520II.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6970%2F17%2F17%2520BAB%2520III.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6970%2F18%2F18%2520BAB%2520IV.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6970%2F19%2F19%2520BAB%2520V.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F6970%2F20%2F20%2520DAFTAR%2520PUSTAKA.pdf&rft.identifier=++Junaidi+Supratman%2C+0515021050++(2013)+PENGARUH+PENGGUNAAN+TABUNG+INDUKSI+TERHADAP+PRESTASI+SEPEDA+MOTOR+BENSIN+4+LANGKAH.++Fakultas+Teknik%2C+Universitas+Lampung.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.i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