The 152FMH is a widely used 110cc horizontal single-cylinder engine, typically found in Chinese-manufactured pit bikes, ATVs, and small motorcycles like those from Lifan, Taotao, and Zongshen.

Looking to keep your 110cc pit bike or ATV running smooth? The 152FMH is a "bulletproof" workhorse, but only if you stick to the service schedule. Key Specs for your Manual:

Torque Specs (approximate):

| Component | Nm | |------------------------|----------| | Cylinder head nuts | 8–12 | | Spark plug | 10–12 | | Valve cover bolts | 5–8 | | Crankcase cover bolts | 6–10 |

The 152FMH is characterized by its compact horizontal design and simple air-cooling system. Displacement: 110cc. Engine Type: Single-cylinder, 4-stroke, air-cooled. Power Output: Approximately 7 HP (4.7 kW at 8,000 RPM).

• Check oil level (dipstick no threads – just insert to touch).

Place a drip pan under the oil drain plug and remove the plug to drain engine oil completely.

• Generic CG125/150 horizontal engine manual – Very similar design.
• Lifan 50cc–70cc engine manual – 152FMH is a clone of Honda Cub/Z50 designs.
• Honda Z50A / CT70 service manual – The original design basis.

Have a specific question about the 152FMH? Leave a comment below. Need a PDF copy? Check our resources page for a downloadable 152fmh engine service manual link.