ANALISIS PERBANDINGAN PENGGUNAAN FILTER UDARA KERTAS BASAH, BUSA, DAN STAINLESS STEEL TERHADAP KINERJA MESIN SEPEDA MOTOR Y 115

Rafi, Muhammad (2026) ANALISIS PERBANDINGAN PENGGUNAAN FILTER UDARA KERTAS BASAH, BUSA, DAN STAINLESS STEEL TERHADAP KINERJA MESIN SEPEDA MOTOR Y 115. Sarjana (S1) thesis, Universitas Muhammadiyah Indonesia.

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Abstract

The air filter is one of the key components of the air intake system that plays an
essential role in maintaining combustion quality and influencing engine performance.
Differences in the characteristics of wet paper, foam, and stainless steel air filters are
expected to produce variations in airflow entering the combustion chamber, thereby
affecting engine power, torque, and Air Fuel Ratio (AFR). This study aimed to analyze
the effect of these three types of air filters on the performance of a motorcycle y 115
motorcycle engine and to determine which filter provides the best performance under
standard engine conditions. The research employed a quantitative experimental
method using a one-factor repeated measures design. Data were collected using a
chassis dynamometer to measure engine power and torque, while an AFR meter was
used to measure the Air Fuel Ratio at engine speeds ranging from 5,200 to 9,000 RPM.
The results showed that the Paper Oiled Air Filter produced the best overall
performance, with an average power of 8.28 HP, an average torque of 8.95 Nm, and
an average AFR of 14.90. The foam air filter produced an average power of 8.00 HP,
an average torque of 8.81 Nm, and an average AFR of 14.91, while the stainless steel
air filter produced an average power of 7.90 HP, an average torque of 8.63 Nm, and an
average AFR of 14.92. These findings indicate that the Paper Oiled Air Filter provides
the most optimal engine performance for the motorcycle y 115 in its original factory
configuration. This study contributes scientific evidence to support the selection of
appropriate air filters based on engine characteristics and may serve as a reference for
future studies involving different air filter types, intake system modifications, and fuel
management strategies.
Keywords: Air filter, Sepeda motor y 115, engine power, torque, Air Fuel Ratio (AFR).

Item Type:	Thesis (TA, Skripsi, Tesis, Disertasi) (Sarjana (S1))
Contributors/Dosen Pembimbing,NIDN Dosen bisa diakses di LINK https://bit.ly/NIDNdosenunismabekasi:	Contribution Contributors / Dosen Pembimbing NIDN UNSPECIFIED Rokhman, Taufiqur 0427118302 UNSPECIFIED Rahmanto, R. Hengki 0426018204
Keywords / Kata Kunci:	Filter udara, Sepeda motor y 115, daya mesin, torsi, Air Fuel Ratio (AFR).
Subjects:	Konversi Energi
Faculty:	Fakultas Teknik > Teknik Mesin S1
Depositing User:	Mr. Muhammad Rafi
Date Deposited:	21 Aug 2026 07:25
Last Modified:	21 Aug 2026 07:25
URI:	http://repository.umindonesia.ac.id/id/eprint/10728

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