STUDI EKSPERIMENTAL KARAKTERISTIK KINERJA SEPEDA MOTOR DENGAN VARIASI JENIS BAHAN BAKAR BENSIN
DOI:
https://doi.org/10.32497/eksergi.v11i1.256Abstract
Studi eksperimental ini menguji sepeda motor empat langkah 125 cc dengan variasi bahan bakar yaitu premium, pertamax dan pertamax-plus. Pengujian dilakukan dengan menempatkan sepeda motor uji di atas dinamometer inersia chassis roller tunggal dengan variasi gigi transmisi untuk mendapatkan kinerja sepeda motor, yaitu besar torsi dan daya yang dihasilkan. Dari studi ini dihasilkan torsi maksimal didominasi bahan bakar premium di tiap gigi transmisi. Bahan bakar premium memberikan torsi maksimum rata-rata di empat gigi transmisi sebesar 5,21 % lebih besar dari torsi maksimum pertamax dan sebesar 5,25 % dari torsi maksimal pertamax-plus. Daya maksimum tertinggi gigi satu didapat dari premium 9,4 % diatas pertamax dan 4,5 % diatas pertamax-plus. Daya maksimum tertinggi di gigi dua, tiga dan empat dari pertamax-plus berturut-turut rata-rata lebih besar 1,18 % atas premium dan lebih besar 4,16.% dari pertamax.
Kata kunci : sepeda motor, premium, pertamax, pertamax plus, kinerja
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