What Causes Smoke from the Exhaust Pipe?

[VanPaislee]

Factors such as engine overload, insufficient cylinder pressure, and excessively low engine temperature. Below are specific explanations of related content: Black smoke from the exhaust pipe: If this issue occurs, promptly check whether the choke valve is fully open and perform necessary repairs; After turning off the engine, inspect the main nozzle from the carburetor opening. If there is fuel spraying or dripping, the float chamber fuel level is too high and should be adjusted to the specified range, tighten or replace the main jet; If the air filter is clogged, it should be cleaned, unclogged, or replaced. Blue smoke from the exhaust pipe: When the vehicle emits blue smoke, it mainly manifests as reduced engine power, a feeling of sluggish acceleration, increased noise, and accompanied by a burnt smell from burning engine oil. Checking the oil dipstick will also reveal excessive oil consumption, indicating that it's time for a thorough inspection at the repair shop.