Introduction
This manual provides essential information for the safe operation, maintenance, and troubleshooting of your LONCIN 1P75F 224CC Vertical Shaft Gasoline Engine. Please read this manual thoroughly before operating the engine to ensure proper use and to prevent damage or injury. This engine is a single-cylinder, 4-stroke, forced air-cooled, vertical shaft, OHV (Overhead Valve) engine, featuring both electric and recoil start systems.

Specifications
The following table details the key specifications for the LONCIN 1P75F engine:
| Feature | Specification |
|---|---|
| Model | LC1P75F |
| Engine Type | Single cylinder, 4-stroke, forced air cooling, vertical shaft, OHV |
| Bore x Stroke | 75 x 50.8 mm |
| Displacement | 224 CC |
| Max Power | 4.5 kW / 3600 rpm |
| Max Torque | 14 N.m / 2500 rpm |
| Fuel Tank Capacity | 1.4 L |
| Oil Capacity | 0.6 L |
| Net Weight | 16 kg |
| Dimensions (L x W x H) | 390 x 350 x 270 mm |
| Starting System | Electric start / Recoil start |
| Ignition System | Transistorized magneto ignition |
| Spark Plug | F6TC |
| Fuel | Unleaded gasoline |
| Lubricating Oil | SAE 10W-30, 15W-40 (API SJ or higher) |
| Air Filter | Dual element |
| Governor System | Centrifugal mechanical |
| PTO Shaft Rotation | Counterclockwise (from PTO side) |
| Warranty Period | 1 year |

Safety Information
Always observe safety precautions to prevent serious injury or death. This engine produces carbon monoxide, a colorless, odorless, poisonous gas. Operating the engine in an enclosed area can kill you in minutes. Never operate the engine indoors or in poorly ventilated areas.
General Safety Guidelines:
- Read and understand the entire manual before operating the engine.
- Ensure the engine is placed on a level surface before adding fuel or oil.
- Keep children and pets away from the engine during operation.
- Do not touch hot engine parts. The engine and exhaust system become very hot during operation and remain hot for a while after stopping.
- Always wear appropriate personal protective equipment (PPE), such as safety glasses and gloves.
- Never refuel a hot or running engine. Allow the engine to cool down before adding fuel.
- Store fuel in an approved container in a well-ventilated area, away from ignition sources.

Setup and Preparation
Before starting the engine for the first time, perform the following steps:
- Unpacking and Inspection: Carefully remove the engine from its packaging. Inspect for any shipping damage. Ensure all components are present.
- Add Engine Oil:
- Place the engine on a level surface.
- Remove the oil filler cap/dipstick.
- Fill with approximately 0.6 liters of recommended engine oil (SAE 10W-30, 15W-40, API SJ or higher). Do not overfill.
- Check the oil level with the dipstick; it should be at the upper limit mark.
- Securely replace the oil filler cap/dipstick.
- Add Fuel:
- Ensure the engine is off and cool.
- Remove the fuel tank cap.
- Fill the fuel tank with unleaded gasoline. Do not overfill; leave space for fuel expansion.
- Securely replace the fuel tank cap.
- Battery Connection (for Electric Start):
- Connect the positive (+) battery cable to the positive terminal on the engine's starter motor.
- Connect the negative (-) battery cable to a suitable ground point on the engine frame.
- Ensure connections are tight and secure.
Operating Instructions
Starting the Engine (Electric Start):
- Check Oil and Fuel Levels: Ensure both are at appropriate levels.
- Open Fuel Valve: Turn the fuel valve to the "ON" position.
- Set Choke: If the engine is cold, move the choke lever to the "CHOKE" position. If the engine is warm, the choke may not be necessary.
- Set Throttle: Move the throttle lever to the "FAST" or "START" position.
- Engage Electric Start: Insert the key into the ignition switch and turn it to the "START" position. Release the key once the engine starts. Do not crank for more than 5 seconds at a time. If the engine does not start, wait 10 seconds before trying again.
- Adjust Choke: Once the engine starts and runs smoothly, gradually move the choke lever to the "RUN" position.
- Adjust Throttle: Adjust the throttle to the desired operating speed.
Starting the Engine (Recoil Start):
- Check Oil and Fuel Levels: Ensure both are at appropriate levels.
- Open Fuel Valve: Turn the fuel valve to the "ON" position.
- Set Choke: If the engine is cold, move the choke lever to the "CHOKE" position.
- Set Throttle: Move the throttle lever to the "FAST" or "START" position.
- Pull Recoil Starter: Grasp the recoil starter handle firmly. Pull slowly until resistance is felt, then pull quickly and smoothly. Allow the rope to rewind slowly. Repeat until the engine starts.
- Adjust Choke: Once the engine starts and runs smoothly, gradually move the choke lever to the "RUN" position.
- Adjust Throttle: Adjust the throttle to the desired operating speed.
Stopping the Engine:
- Reduce Engine Speed: Move the throttle lever to the "SLOW" or "IDLE" position.
- Turn Off Ignition: For electric start models, turn the ignition key to the "OFF" position. For recoil start models, move the engine switch to the "OFF" position.
- Close Fuel Valve: Turn the fuel valve to the "OFF" position to prevent fuel leakage and carburetor issues during storage.
Maintenance
Regular maintenance is crucial for the longevity and optimal performance of your engine. Always perform maintenance with the engine off and cool.
Maintenance Schedule:
| Item | Every Use | Every 25 Hrs / Monthly | Every 50 Hrs / 3 Months | Every 100 Hrs / 6 Months | Every 300 Hrs / Annually |
|---|---|---|---|---|---|
| Check Engine Oil Level | ✓ | ||||
| Clean Air Filter | ✓ | ||||
| Change Engine Oil | ✓ | ||||
| Check Spark Plug | ✓ | ||||
| Clean Fuel Filter | ✓ |
Detailed Maintenance Procedures:
- Engine Oil Change:
- Run the engine for a few minutes to warm the oil.
- Place a suitable container under the oil drain plug.
- Remove the oil filler cap/dipstick.
- Allow all oil to drain completely.
- Replace the drain plug and refill with fresh, recommended oil (0.6 L).
- Check the oil level and replace the filler cap.
- Air Filter Cleaning:
- Remove the air filter cover and elements.
- Clean foam elements with warm, soapy water, rinse, and allow to air dry completely. Lightly oil with engine oil and squeeze out excess.
- Clean paper elements by tapping them gently. Replace if heavily soiled or damaged.
- Reinstall the air filter elements and cover.
- Spark Plug Inspection:
- Remove the spark plug cap and then the spark plug using a spark plug wrench.
- Inspect for carbon deposits, wear, or damage. Clean with a wire brush if necessary.
- Check the spark plug gap (refer to engine specifications for correct gap, typically 0.7-0.8mm). Adjust if needed.
- Reinstall the spark plug and tighten to the specified torque. Reattach the spark plug cap.
Troubleshooting
This section provides solutions to common engine problems. If you encounter an issue not listed here, or if the suggested solutions do not resolve the problem, please contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Engine will not start | No fuel Low oil level Choke not set correctly Spark plug fouled/damaged Battery low (electric start) | Add fresh fuel Add engine oil Adjust choke lever Clean or replace spark plug Charge or replace battery |
| Engine runs poorly/lacks power | Dirty air filter Stale fuel Incorrect spark plug gap Carburetor issues | Clean or replace air filter Drain old fuel, add fresh fuel Adjust spark plug gap Consult service professional |
| Engine smokes excessively | Overfilled oil Wrong type of oil Worn engine components | Drain excess oil Use recommended oil Consult service professional |
| Engine overheats | Low oil level Blocked cooling fins Overloaded engine | Check and add oil Clean cooling fins Reduce load on engine |
User Tips
- For optimal performance, always use fresh, high-quality unleaded gasoline. Stale fuel can cause starting difficulties and carburetor problems.
- When storing the engine for extended periods, drain the fuel tank and carburetor, or use a fuel stabilizer to prevent fuel degradation.
- Keep the engine clean, especially the cooling fins, to ensure efficient heat dissipation and prevent overheating.
- Periodically check all fasteners for tightness, as vibrations during operation can cause them to loosen.
Warranty and Support
This LONCIN 1P75F engine comes with a 1-year warranty period from the date of purchase, covering manufacturing defects in materials and workmanship. Please retain your proof of purchase for warranty claims.
For technical support, spare parts, or warranty service, please contact your authorized dealer or the manufacturer's customer service department.
Contact Information:
- Email: hyswdzcs1141@126.com
- WhatsApp: +86 17701145374
- Facebook / WeChat: +86 17580314686





