Perdana, Rizky Ridho (2025) Studi Eskperimental Pengaruh diameter Venturi Karburator Terhadap Performa dan Emisi Gas Buang Motor Honda CB200. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
Engine performance and exhaust emissions are two crucial aspects in the development of modern motorcycle technology. this study aims to determine the effect of carburetor venturi diameter variation on engine performance and exhaust emissions in Honda CB 200 motorcycles. Carburetor venturi diameter plays an important role in the air and fuel mixing process, which determines combustion efficiency, power output, and exhaust emission levels. The venturi diameter variations used in this study were 26 mm, 30 mm, and 34 mm. The research method was conducted experimentally using a dynamometer to measure power and torque, as well as an exhaust gas analyzer to measure exhaust gas emissions in the form of CO, CO₂, O₂, and HC. Engine performance testing was conducted at 3500–8000 rpm, while exhaust gas emission testing was conducted at 1500–7500 rpm. The results showed that variations in venturi diameter had a significant effect on engine performance and exhaust gas emissions. A venturi diameter of 30 mm provided the most optimal results because it was able to produce the best balance between high power and torque and relatively low exhaust gas emission levels. A 26 mm venturi tended to produce incomplete combustion, thereby increasing CO and HC levels, while a 34 mm venturi showed an increase in O₂ levels due to a fuel mixture that was too lean. Overall, a 30 mm diameter venturi is recommended as the most suitable size for the Honda CB 200 engine, as it improves engine performance while keeping exhaust emissions within environmentally friendly limits. Keywords: carburetor, engine performance, exhaust emissions, Honda CB 200, venturi diameter
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > TJ Mechanical engineering and machinery | ||||||||
| Divisions: | Faculty of Engineering > Departement of Mechanical Engineering | ||||||||
| Depositing User: | Rizky Ridho Perdana | ||||||||
| Date Deposited: | 04 Nov 2025 07:44 | ||||||||
| Last Modified: | 05 Nov 2025 02:07 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/46105 |
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