Ramadhani, Akbar (2026) Pengaruh Variasi Berat Roller Dan Permukaan Housing Clutch Pada Sistem Transmisi CVT Terhadap Performa Sepeda Motor Matic 4 Langkah 125 cc. Undergraduate thesis, Politeknik Negeri Jember.
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Abstract
This study aims to analyze the effect of variations in Roller weight and modification of the clutch housing surface on torque and power in the Continuously Variable Transmission (CVT) system of automatic motorcycles. The Roller weight variations used are standard and cross-knurling. Tests were conducted using a dynamometer at an engine speed range of 4000–8000 rpm to obtain torque and power data. The results showed that the combination of a 15-gram Roller with a standard clutch housing produced the highest maximum torque of 9.49 Nm at 6000 rpm and a maximum power of 8.99 HP at 6000 rpm. When using a cross-knurling clutch housing, the highest maximum torque was obtained on an 18-gram Roller of 9.40 Nm at 6000 rpm, while the highest maximum power was obtained on a 13gram Roller of 9.21 HP at 7000 rpm. The use of cross knurling has been proven to improve performance on 13 gram Rollers, with an increase in torque from 9.13 Nm to 9.37 Nm and power from 8.97 HP to 9.21 HP. However, on 15 gram Rollers, this modification actually reduces torque from 9.49 Nm to 8.71 Nm and power from 8.99 HP to 8.56 HP. Based on the results of the study, it can be concluded that Roller weight and clutch housing surface characteristics have a significant effect on CVT performance. The combination of 15 gram Rollers with standard clutch housing
| Item Type: | Thesis (Undergraduate) | ||||||
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| Uncontrolled Keywords: | CVT, Roller, clutch housing, cross knurling, torque, power. | ||||||
| Subjects: | 410 - Rumpun Ilmu Teknik > 430 - Ilmu Keteknikan Industri > 431 - Teknik Mesin (dan Ilmu Permesinan Lain) | ||||||
| Divisions: | Jurusan Teknik > Prodi D4 Mesin Otomotif > Tugas Akhir | ||||||
| Depositing User: | Akbar Ramadhani | ||||||
| Date Deposited: | 29 Jun 2026 02:07 | ||||||
| Last Modified: | 29 Jun 2026 02:07 | ||||||
| URI: | https://sipora.polije.ac.id/id/eprint/56985 |
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