Skripsi ini menganalisis praduga Penetapan Harga dan Praktek Kartel yang dilakukan oleh PT. Astra Honda Motor AHM dan PT. Yamaha Indonesia Motor Manufacturing. Pelanggaran diperkuat oleh pertemuan golf, email, dan kesaksian. Berdasarkan pemeriksaan yang dilakukan oleh KPPU, praktik dan harga kartel terbukti melanggar Pasal 5 ayat 1 UU Nomor 5 tahun 1999, tetapi ada ketidakberesan dalam membuktikan unsur perjanjian, sehingga putusan KPPU seolah memaksakan.

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This thesis analyzes the presumption of Price Fixing and Cartel Practice conducted by PT. Astra Honda Motor AHM and PT. Yamaha Indonesia Motor Manufacturing. The violations are reinforced by Golf encounters, emails, and testimonies. Based on inspection conducted by KPPU, cartel practices and pricing proved to violate Article 5 paragraph 1 of Law number 5 year 1999, but there are irregularities in proving the element of agreement, so that KPPU 39 s decision seems impose.