: A known weak point is the valve stem seals (oil seals) . Owners often report that the original Chinese seals harden and fail prematurely. A common fix is to replace them with seals from a Daewoo Matiz (a small car), which fit perfectly and last much longer.
: Loosen the locknut, turn the square adjuster screw until you feel a light drag on your feeler gauge, and torque down the locknut firmly. Section 2: Top-End Overhaul (Cylinder & Piston)
Because the 162FMJ is a "clone" engine, finding a single "official" manual is tricky. Here is your sourcing strategy: 162fmj Engine Service Manual
A slipping clutch or poor oil circulation requires access to the right crankcase side cover.
Typically 9.0:1 to 9.6:1, though some performance variants reach 10.3:1. : A known weak point is the valve stem seals (oil seals)
Annually, or if the machine has been sitting. 3. Detailed Service Procedures A. Oil Change Procedure
Verify they are sending ground or breaking the connection appropriately depending on your wiring harness. : Loosen the locknut, turn the square adjuster
Ensure you order a kit specifically for the "162FMJ" to get the correct piston diameter and cylinder height.
: "My first gear goes in reverse."
Complete Service and Maintenance Guide for the 162FMJ Motorcycle Engine