A REVIEW AND INVESTIGATION FRAMEWORK ON PORT-FUEL INJECTION FOR SMALL 4-STROKE SINGLE CYLINDER ENGINE

In Malaysia, motorcycles using carburetor system are still the main option as a medium of transport for many people. The motorcycle is a very popular vehicle for transportation due to its mobility, convenience, economy, and door-to-door functions. One advantage of motorcycles is that their high power to weight ratio which gives them good fuel economy. Future exhaust emission legislation for small engines, used on motorcycles and leisure products, will make it necessary for small engine manufacturers especially for motorcycle manufacturers to adopt some technologies in engine development as car manufacturers have done. This paper presents a review on port fuel injection small four-stroke single cylinder engine. Selection of engines (two-stroke and four-stroke) and fuel injection system also explained. Investigation framework study on how to complete the research is also included in this paper.