Questions & Answers for: kawasaki VN 1500 Vulcan Classic air fuel mixture

...Air/Fuel Ratio Is there any way to moderately/drastically adjust the air/fuel ratio without buying a jet kit or taking it to a shop? I just don't have the money. Yes,but it will only make it run bad ...

air to fuel mixture there is 2 much air going in and not enough fuel on the carb there will be a screw there are 2 one which is the mixture screw and one for the idle the idle will be the one sticking

...air fuel mixture to be too lean at the high rpm or the float level being incorrect Mechanically, weak valve springs , failure to use assistant anti rebound springs in the assembly, incorrect valve ...

...is a very weak mixture and its still burning when the inlet valve opens ,and exhaust is that there is a air leak at an exhaust joint and the heat of the exhaust with the air leak ignites unburnt ...

...taking the carbs out and cleaning them thoroughly. Clean all the jets, check and adjust the float level. Check your air/fuel mixture. Back firing is typically a sign that you are running too

...air-fuel mixture in the carburetor in order for the engine to run smoothly and at peak performance. If you are running multi carburetors you need to sync them first and make sure your air cleaner ...

...air and fuel for idle. have them to make sure the jetting is correct. Also IF the engine had been bored you will need to use larger jets for the added volume in the cylinder chamber from the boring. ...

fuel ) it may be that you have water in the carb, this would have almost the same effect as dirty jets. an air leak can create a situation where the choke is needed to compensate for the excess of air

...That means the mixture is too lean. When you choke it, you restrict the air flow into the engine and now the air/fuel mixture is correct and it runs. Check the carbs and injectors if it has

...air-fuel mixture in the carburetor in order for the engine to run smoothly and at peak performance. If you are running multi carburetors you need to sync them first and make sure your air cleaner ...