Manual - 163fml Engine

The side cover screws are M6. Do not exceed 10 Nm or you will strip the case.

A light tapping is normal pushrod noise. A deep knock is a connecting rod bearing. Fix: This requires a full bottom-end rebuild. Do not ignore it; the rod will punch a hole in the case. 163fml engine manual

is a popular 200cc vertical, single-cylinder, four-stroke engine, famously used as a reliable "Honda clone" in many Chinese motorcycles and ATVs, such as those from Lifan and Zongshen. Key Technical Specifications Engine Type : Single-cylinder, 4-stroke, OHV (pushrod). Displacement : 200cc (actual displacement approximately 197cc–208cc). Bore x Stroke : Approximately Compression Ratio Transmission : Typically a 5-speed manual. Oil Capacity The side cover screws are M6

A proper emphasizes lubrication. This engine design dates back to the 1970s; it is reliable but intolerant of neglect. A deep knock is a connecting rod bearing

If you just rebuilt your 163FML or bought a new Chinese bike, follow the manual’s break-in: