インジェクション式の燃料供給の位置は大きく分けて、ポート内噴射と筒内直接噴射とポート内&筒内直接があります。
それぞれの特徴やメリットを見ていきます。


参照
https://www.youtube.com/watch?v=GtDd7G44HkM
https://www.youtube.com/watch?v=B-5IqE7dzHk
https://www.youtube.com/watch?v=zY_FgdgYxYI
https://www.youtube.com/watch?v=Oc2EZG9G-v4
https://www.youtube.com/watch?v=DKF5dKo_r_Y&t=158s
https://www.youtube.com/watch?v=orkHFQCqL1M
https://www.youtube.com/watch?v=MfTpU6HS4cA&t=844s
https://www.youtube.com/watch?v=coDvwMWVgX0
https://www.youtube.com/watch?v=Vf9o0aKulfs
https://www.youtube.com/watch?v=rrXsATzAFto
https://www.youtube.com/watch?v=xV5W92hnGdY&t=80s
https://www.youtube.com/watch?v=Zacs_A6TyrA
https://www.youtube.com/watch?v=VgeucJ8vjAs
https://www.youtube.com/watch?v=LpVRn4Djj5s&list=WL&index=9
https://www.youtube.com/watch?v=4gBTbUerDpk
https://www.youtube.com/watch?v=w9PYtX0Tz3Q
https://www.youtube.com/watch?v=LjJSbHxIvnM&t=388s
https://www.youtube.com/watch?v=ykAd7MLtj1M&t=105s
https://www.youtube.com/watch?v=s_HzAxhyXLo&t=93s
https://www.youtube.com/watch?v=0u1gvo70X18
https://www.youtube.com/watch?v=jAqC0qxIiL8&t=122s
https://www.youtube.com/watch?v=9nCr3h0-eV8
https://www.youtube.com/watch?v=uC7vOYhd7wg&t=79s
https://www.youtube.com/watch?v=lX348T7ou6U
https://www.youtube.com/watch?v=18bTj0P56kM
https://www.youtube.com/watch?v=SFrgX8ppDfs&t=34s
https://www.youtube.com/watch?v=bPJaBI75Iu8
https://www.youtube.com/watch?v=iJ6d9E5pXBE
https://www.youtube.com/watch?v=vLfWnX0ahtc
https://www.youtube.com/watch?v=CoXs1W_iNak&list=WL&index=8&t=110s
https://www.youtube.com/watch?v=HOqdpmTV3Q8&list=WL&index=6
https://www.youtube.com/watch?v=8Q83erQRAcU
https://www.youtube.com/watch?v=EuHy_Vpx514
https://www.youtube.com/watch?v=mpln434igr4&t=40s
https://www.youtube.com/watch?v=yeP0kr4CXUI
https://www.youtube.com/watch?v=jt2UTL4AhpU&t=95s
https://www.youtube.com/watch?v=tLxaPk1J5PM
https://www.youtube.com/watch?v=IMafgF_01hQ
https://www.youtube.com/watch?v=1dQVitxY-rs
https://www.youtube.com/watch?v=20qqavckWdw&t=140s
https://www.youtube.com/watch?v=qLJbcQNiSCg&t=74s
https://www.youtube.com/watch?v=-f1Up_Ku4Pc
https://www.youtube.com/watch?v=MDaN4I1DPKI&list=WL&index=1
https://www.youtube.com/watch?v=VNdYv5ER-fo
https://www.youtube.com/watch?v=HNFeUlnBypk
https://www.youtube.com/watch?v=Ja93u_Omo-g&list=WL&index=6
https://www.youtube.com/watch?v=LjJSbHxIvnM&list=WL&index=18&t=132s
https://www.youtube.com/watch?v=8_j3kE3MmFM&list=WL&index=7&t=108s
https://www.youtube.com/watch?v=F-NuIbedHCE&t=122s
https://www.youtube.com/watch?v=4ZysyokEU60&list=WL&index=7
https://www.youtube.com/watch?v=OzZOyGeDI54&list=WL&index=3
https://www.youtube.com/watch?v=Pxvp9F-PS34&list=WL&index=6
https://www.youtube.com/watch?v=0rkZ_4spT14&t=621s
https://www.youtube.com/watch?v=jGlqs9hXQEY
https://www.youtube.com/watch?v=T9pcF2tF8iw
https://www.youtube.com/watch?v=sHZjo0e5aGg&t=3s
https://www.youtube.com/watch?v=9uFT_ilKMcA&t=52s
https://www.youtube.com/watch?v=62Rzbxmvpj4
https://www.youtube.com/watch?v=iJIVsXPrENc
https://www.youtube.com/watch?v=CB5ThYfX7ag
https://www.youtube.com/watch?v=_KMyfpop9Fs
https://www.youtube.com/watch?v=Ad_WHkBIvlo&t=49s
https://www.youtube.com/watch?v=wmHxiY2J8Ok
https://www.youtube.com/watch?v=8PYjBRcyzNo
https://www.youtube.com/watch?v=ZxnRp4p9SGk
https://www.youtube.com/watch?v=lRTfJlT26gE
https://www.youtube.com/watch?v=vyxcAlY8ym0
https://www.youtube.com/watch?v=7S_MIU9_yBw
https://www.youtube.com/watch?v=GcMINHsn2i8
https://www.youtube.com/watch?v=xp9_O4G7iCg
https://www.youtube.com/watch?v=j0An3RbXcPg&t=16s
https://www.youtube.com/watch?v=IuSVU_SSgMg
https://www.youtube.com/watch?v=LxSNs__Z3Xs&t=104s