The manual plunger valve can be repaired easier

 The manual plunger valve can be repaired easier, by cleaning the plunger or replacing the spring or wire.1.B Replace a smaller main orifice.1.The resolution:A: Change a smaller idling jet.Rapid leak.The solution:A Clean air filter or replace paprt cartridge. Idling smokeThere is large amount of smoke when idling, the exhaust noise is dull and you need to step on the gas to start. Smoke fault The motorcycle carburetor is like the stomach of motorcycle, whether the absorption is good mainly depends on the stomach.4 There is a big clearance between oil needle and main nozzle. Please note that when opening the cover to observe the oil level, the carburetor must remain stand, in case the fuel spill out which will cause the inaccurate judgment of the oil level.Thanks for your time and attention to motorcycle accessories.2.1 The idle orifice is too large.Slow leakThere is a drop of leaking per several minutes after parking the motorcycle for hours.1 There is some big dirt PVC Ball Valve stuck in float bowl.2 The area of main orifice is too large.The solution is:Clean float needle and feeding pipe, if the float is damaged, then replace it.1 There is congestion at air filter or inlet channel.Overflow tube leak quickly, sometimes up balance tube also leak quickly which cause the fuel flow into the engine combustion chamber and the vehicle can’t start. The main reason is that mixture is too thick, the fuel consumption will be larger due to the black smoke, and it will also easily damage therectifier regulator and influent speedup. Or weld it after clean out the oil inside the float.Oil leakage There are two kinds of oil leakage:1.3 Float can’t move smoothly at the float pin.The causes are:1.D: If there is a large clearance between oil needle and main nozzle, new parts likechain and sprocket should be replaced. If the problem still cannot be solved, then you can repair it with float needle restorer.The solution is:Replace qualified float needle and its component.1. The cause of the problem is that float or float needle is damaged so the seal is poor.B: Adjust the height of the float, put oil level on 2/5 of the float chamber, which is thenormal oil level.3 The clearance between main nozzle and oil needle is a too large.

.2 The oil level of float chamber is too high.2.2.1.1. For the electric plunger valve, it is generally the fault of electric heating unit or supply line, then you need to replace the electric heating unit.–Hope these will help you know more about your motorcycle carburetor.The cause:2.4 The oil level is too high.2.2 Float oil leak.The cause are as follows:1.C: There are three kind of starting enriching valve: the manual plunger valve, vacuum plunger valve and electric plunger valve.3 The start enriching valve is not closed.2. For the vacuum plunger valve, you need to check if there is any damage or leak of the valve or vacuum diaphragm. So smoke is a kind of indigestion, like people have diarrhea.There are two kinds of smoke fault.1. High-speed smokeThere is plenty of black smoke when the revolving speed of motorcycle reach four or five thousand, which shows the obvious deficiencies of the motorcycle at a high speed