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All Journal Jurnal Penelitian Rumpun Ilmu Teknik
Husen Khalwani
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Computer Science & IT Engineering

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Analisis Pengaruh Setting Celah Katup Terhadap Performa Motor 4 Langkah 110cc Husen Khalwani; Katon Wisnu Kartiko; M. Ida Bagus K.B; Yunus Bayu Saputro; Trisma Jaya Saputra
Jurnal Penelitian Rumpun Ilmu Teknik Vol. 2 No. 3 (2023): Agustus : Jurnal Penelitian Rumpun Ilmu Teknik
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/juprit.v2i3.2126

Abstract

The background of this research is the adjustment of the valve gap which can affect the performance of the motorcycle engine. The purpose of this research is to describe and analyze the effect of valve clearance adjustment on engine performance and to overcome valve gap adjustment errors. The research was conducted in a motorcycle workshop, on a 4 stroke 110 cc motorcycle engine using a quantitative and informative method approach. Data were obtained through literature research and factory determination, observation and interviews. Then Several customization steps are carried out at the implementation stage, starting with standard customization, over and under standard settings. The research results decide the standard setting. It is hoped that the implementation of the analysis of the influence of valve settings on motorcycle engines will become material for our knowledge.
Pengaruh Modifikasi Lift Camshaft dengan Bahan Bakar Pertamax terhadap Torsi dan Daya Mesin Motor 125 cc Husen Khalwani; Sigit Mujiarto; Trisma Jaya Saputra
Jurnal Penelitian Rumpun Ilmu Teknik Vol. 4 No. 2 (2025): Jurnal Penelitian Rumpun Ilmu Teknik
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/juprit.v4i1.4857

Abstract

In this modern era, transportation is something that is needed by the general public, especially motorized vehicles, as evidenced by the presence of various new motorized vehicle products. However, the use of motorbikes that have been used daily for more than 5 years will experience a significant decrease in performance, this makes motorcycle owners want to improve the performance of the motorbikes they have. One step that can be taken to improve the performance of a motorcycle engine is to optimize the performance of the camshaft, so motorcycle owners do not need to change the cubic centimeter (cc) of their motorcycle but can optimize engine performance. In this study, the addition of camshaft lift variations of 1.5 mm using experimental methods to find the results of the effect of modifying the camshaft lift which will be adjusted to the engine capacity. The results of this study show an increase in torque and power which is quite significant with the highest torque results achieved on the modified camshaft addition of 1.5 mm lift of 8.6 Nm at 8000 rpm and power of 8.5 hp at 8000 rpm, this is due to the higher suction valve opening the greater the volume of air and fuel mixture entering the combustion chamber, resulting in an increase in torque and power.
Co-Authors Katon Wisnu Kartiko M. Ida Bagus K.B Sigit Mujiarto Trisma Jaya Saputra Yunus Bayu Saputro