What parts need to be replaced for a scooter burning engine oil?

[DelSamantha]

Scooter burning engine oil requires cylinder block replacement. There are several main causes for motorcycle engine oil burning: Fuel quality issues: Since domestic fuel quality in China doesn't synchronize with international standards, it easily forms excessive carbon deposits in the combustion chamber during engine operation. Carbon deposits are the root cause of various engine problems. Carbon deposit accumulation: Carbon deposits accumulate in piston grooves, causing piston rings to stick together. This makes the rings unable to move freely and achieve complete sealing. "Stuck" piston rings significantly reduce oil-scraping and sealing capabilities. Additionally, sludge can clog oil return holes, preventing proper oil return and increasing oil consumption. Cylinder wall wear: Carbon deposits also accelerate wear between pistons and cylinder walls, creating excessive clearance that allows oil to enter the combustion chamber.