The 152FMH is the workhorse of budget transportation. It produces between 8–12 horsepower, relies on a carburetor (typically a PZ19, PZ22, or Keihin clone), and uses a contactless CDI ignition. It is simple, but simplicity does not mean immunity to misdiagnosis.
The rotor has a common M12x1.25 left-hand internal thread. A right-hand puller will strip it. The manual explicitly states the thread direction. 152fmh engine service manual
In the world of small-displacement motorcycles and scooters, few powerplants are as ubiquitous and enduring as the 152FMH engine. Found under the bodywork of countless 125cc and 150cc motorcycles, pit bikes, and scooters manufactured in China and across Asia, this single-cylinder, four-stroke engine is the workhorse of the daily commuter. Known for its simple overhead camshaft (OHC) design and robust reliability, the 152FMH is an engine that rewards proper maintenance with tens of thousands of miles of faithful service. The 152FMH is the workhorse of budget transportation
No single official "152FMH" universal manual exists because many manufacturers (Lifan, Zongshen, Loncin, Ducar) produce this engine. However, you can use the following resources effectively: The rotor has a common M12x1