Answer to Question #114382 in Mechanical Engineering for pravin uikey

Question #114382
i have honda activa. is it possible to change the air fuel ratio ? if yes how?discuss the effect of verrying the air fuel ratio of on thefuel economy and emmision.
Expert's answer

Yes , we can change the air fuel ratio. Carburetor is device used in vehicles to prepare air fuel mixture and depend on the requirement governor tells the carburetor to prepare air fuel mixture according.

So, we can change the air/fuel ratio by changing in carburetor.

The effect of changing air/fuel are following

  1. If we prepare very lean mixture means use very less fuel then it will effect on the engine erosion but it will increase the efficiency of the engine.
  2. If it will prepare rich mixture then there efficiency decreases but power increases and in that condition also engine erosion may increase.

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