162fmj Engine Service Manual ((exclusive)) 〈ULTIMATE · Breakdown〉

Drain the engine oil and remove the exhaust pipe, carburetor, spark plug, and top engine mounts.

Remove the pushrods by lifting them straight out of the cylinder block after taking off the cylinder head cover and rocker assembly. Label the pushrods so they go back into their original positions (Intake vs. Exhaust).

This approach is not a compromise; it is a proven strategy used by thousands of owners worldwide to keep their 150cc bikes running strong for years. With a little research and a willingness to learn, you will find that maintaining and repairing the legendary 162FMJ is not only manageable, but also a deeply rewarding experience.

Adhering to a strict maintenance schedule prevents premature wear on the pushrods, valvetrain, and piston rings. Action Required

Because these engines are manufactured by a dozen different companies (Lifan, Zongshen, Loncin, Ducar, etc.), the is crucial—generic advice often leads to stripped threads, incorrect valve timing, or catastrophic failure. 162fmj Engine Service Manual

Slide the cylinder block upward off the piston. Immediately cover the crankcase opening with a clean rag to prevent components from falling inside.

: "Does this engine have 2 oil areas?"

The 162FMJ features a highly resilient Capacitor Discharge Ignition (CDI) system. It requires no physical points adjustments, as ignition timing is electronic and triggered by a pickup coil reading the flywheel. Ignition System Quick Specifications NGK D8EA or DR8EA (or equivalent) Spark Plug Gap: 0.6 mm to 0.7 mm (0.024 to 0.028 inches)

This is your best bet. The 162FMJ is derived from the legendary Honda CG150, which uses the same technology as the famous CG125. For nearly all mechanical tasks (engine rebuild, clutch replacement, transmission work), you can safely use the service manual for the or Honda XL200 . Drain the engine oil and remove the exhaust

Many sellers provide a generic PDF — search exactly:

Inside, beneath a layer of desiccated packing straw, lay a book unlike any she had seen. It was bound in what looked like brass-reinforced leather, its cover embossed with a glyph: a piston crossed with a wrench, beneath a crescent moon. The pages were not paper but thin sheets of hammered tin, etched with diagrams and text in a language that was half engineering schematic, half forgotten script.

Excessive clearance between the piston skirt and cylinder wall due to heavy wear. Requires a cylinder rebore.

"Chinese 125cc engine service manual PDF" Exhaust)

Standard clearance is 0.010–0.040 mm. A clearance greater than 0.10 mm requires a top-end rebuild.

: Change every 1,000 km or 50 hours of operation. Capacity is typically Air Filter

Hold the adjuster screw stationary and tighten the locknut. Re-check the clearance after tightening. 3. Carburetor Tuning & Fuel System