162fmj Engine Service Manual !!link!! Info

Remove the timing inspection cap and the crankshaft access cap on the left-side engine cover.

Excessive valve clearance. Re-adjust to 0.05 mm.

Single-cylinder, 4-stroke, air-cooled, OHV (Pushrod). Displacement: 149.4cc

Worn piston rings, stuck or burnt valves, blown head gasket. Engine Overheating

Run the engine for 5 minutes to ensure oil drains easily. 162fmj Engine Service Manual

Manuals generally divide the engine into specific functional groups for troubleshooting: Service manual part engine For CG-125/150

The pushrod design requires periodic valve clearance checks and adjustments.

Locate the large 24mm hex plug on the lower bottom-left side of the engine crankcase.

If the engine requires a top-end rebuild or lower-end repair, you will need to disassemble the motor. Top End Rebuild (Cylinder Head/Piston) Remove the timing inspection cap and the crankshaft

Remove the valve covers and the ignition timing plug on the left cover.

Verify you didn't accidentally use automotive oil containing friction modifiers.

Keep in mind that this is not an exhaustive list, and the actual content of the service manual may vary depending on the publisher and the specific edition.

110 Ω – 150 Ω (Blue/White wire to Ground) Ignition Coil Primary Resistance: 0.4 Ω – 0.6 Ω Single-cylinder, 4-stroke, air-cooled, OHV (Pushrod)

The user-driven knowledge on forums is often more helpful than any factory manual, as it provides practical, real-world solutions.

Low engine oil level or worn oil pump.

Re-adjust intake and exhaust valve clearances to spec. Inspect pushrod tips for pitting or flat spots. Issue 2: Engine Crankcase Smokes and Loses Power

Key data points for the 162FMJ engine to assist in parts identification and tuning: Displacement : 149.4 cm³. Bore × Stroke Compression Ratio Maximum Power : 8.2 kW to 8.5 kW at 8,500 rpm. : CDI (Capacitor Discharge Ignition) with a spark plug. Transmission : 5-speed manual with a wet multi-plate clutch. Valve Clearance (Cold) : 0.05 mm. : 0.08 mm. Alibaba.com 2. Routine Maintenance Schedule

Clean the oil strainer screen and spring to remove metal debris.