Important Safety Information
This engine is intended for assembly and mounting into a machine. The machine in which the aforementioned engine is to be installed must not be put into service until it has been established that the machine complies with the provisions of the Machinery Directive.
Any damage resulting from non-compliance with these instructions will not be the responsibility of Wiltec Wildanger Technik GmbH. Wiltec Wildanger Technik GmbH disclaims all responsibility for damages as we have no influence on the installation, use, and safety of the machine.
Attention:
- The engine is delivered without operating fluids (engine oil and gasoline).
- Before the first start-up, it is mandatory to add engine oil to the correct level.
Product Overview
The WilTec LIFAN 177F-BR is a robust 4-stroke OHV single-cylinder gasoline engine, designed for versatility across various small gasoline-powered machines. Its applications include go-karts, water pumps, lawnmowers, and power generators. This model is equipped with a cable starter, an integrated oil bath clutch, a carburetor, an exhaust system, a fuel tank, and an air filter, all included for comprehensive functionality. The horizontal crankshaft design facilitates straightforward integration and replacement in compatible equipment.
Key Features
- Powerful 4-stroke Lifan gasoline engine delivering 6.6 kW (9 HP) with a horizontal crankshaft.
- Features a large 6-liter fuel tank for extended operational periods.
- Approved by the manufacturer for use with E10 fuels.
- Equipped with a cylindrical 22 mm transmission output shaft, including a keyway for sprockets (e.g., for kart applications).
- Air-cooled engine design with a displacement of 270 cm³.
Image 1: WilTec LIFAN 177F-BR Gasoline Engine. This image displays the complete engine unit from a front-side perspective, highlighting the air filter, fuel tank, and pull-start mechanism.
Image 2: WilTec LIFAN 177F-BR Engine, Clutch Side. This view shows the engine from the side, emphasizing the oil bath clutch housing and the output shaft.
Setup and Initial Preparation
Unpacking
Carefully remove the engine from its packaging. Inspect the unit for any visible damage that may have occurred during shipping. Report any damage to the supplier immediately.
Adding Engine Oil
Before the first start-up, it is critical to fill the engine with the appropriate type and quantity of engine oil. Consult the engine's oil fill cap or dipstick for recommended oil specifications (e.g., SAE 10W-30) and capacity. Operating the engine without oil will result in severe internal damage and will void the product warranty.
Adding Fuel
Fill the fuel tank with E10 compatible gasoline. Ensure the fuel cap is securely fastened after filling to prevent spills and contamination.
Installation
This engine is designed to be integrated into a larger machine or system. Ensure proper alignment and secure fastening according to the host machine's specifications. Pay close attention to the crankshaft dimensions and mounting points for correct compatibility and safe operation.
Image 3: Technical Drawing - Engine Dimensions and Internal View. This diagram provides detailed measurements and an internal cross-section of the engine components, essential for installation and understanding its structure.
Image 4: Technical Drawing - Mounting Dimensions. This drawing illustrates the precise mounting points and overall dimensions of the engine, crucial for proper integration into various equipment.
Operating Instructions
Starting the Engine
- Ensure the engine has adequate oil and fuel levels.
- Open the fuel valve (if equipped) to allow fuel flow to the carburetor.
- For a cold engine, set the choke lever to the "CHOKE" position. For a warm engine, the choke may not be necessary.
- Set the throttle lever to the "START" or mid-range position.
- Grasp the starter handle firmly and pull it slowly until resistance is felt, then pull sharply and smoothly to start the engine. Do not release the handle until it has fully retracted.
- Once the engine starts, gradually move the choke lever to the "RUN" position as the engine warms up.
- Allow the engine to warm up for a few minutes before applying any load or operating at full throttle.
Stopping the Engine
- Reduce the engine speed to idle.
- Move the engine switch to the "OFF" position.
- For storage or extended periods of non-use, close the fuel valve (if equipped) to prevent fuel degradation and carburetor issues.
Maintenance
Regular maintenance is crucial for ensuring the optimal performance, reliability, and longevity of your engine. Adhere to the recommended service intervals.
Oil Change
Perform the first engine oil change after the initial 20 hours of operation. Subsequently, change the oil every 50-100 hours or at least once annually, whichever comes first. Always use the recommended type and viscosity of engine oil.
Air Filter Cleaning/Replacement
Inspect and clean the air filter regularly, especially when operating in dusty environments. Replace the air filter if it is damaged, torn, or excessively dirty and cannot be cleaned effectively.
Spark Plug Inspection
Periodically check the spark plug for signs of wear, carbon buildup, and proper electrode gap. Clean or replace the spark plug as necessary to ensure efficient ignition.
Fuel System
Keep the fuel tank clean and free of contaminants. If the engine will be stored for an extended period (e.g., over 30 days), it is advisable to drain the fuel system or use a high-quality fuel stabilizer to prevent fuel degradation and carburetor issues.
Troubleshooting
This section provides solutions to common operational issues. For problems not listed here or if solutions do not resolve the issue, contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Engine does not start | No fuel; Fuel valve closed; No engine oil; Choke set incorrectly; Faulty spark plug | Add fresh fuel; Open fuel valve; Add engine oil to correct level; Adjust choke for starting; Inspect/replace spark plug. |
| Engine runs poorly or stalls | Dirty air filter; Stale or contaminated fuel; Incorrect spark plug gap; Carburetor issues | Clean/replace air filter; Drain old fuel and refill with fresh fuel; Check/adjust/replace spark plug; Consult a qualified technician for carburetor service. |
| Loss of power | Engine overloaded; Insufficient maintenance (e.g., dirty air filter, old oil); Worn components | Reduce load on the engine; Perform routine maintenance (oil change, air filter cleaning); Inspect for worn parts and replace as needed. |
Specifications
The following table outlines the key technical specifications for the WilTec LIFAN 177F-BR Gasoline Engine:
| Feature | Value |
|---|---|
| Brand | WilTec |
| Manufacturer | Lifan |
| Model | LIFAN 177F-BR |
| Engine Type | 4-stroke OHV, Single-Cylinder |
| Power Output | 6.6 kW (9 HP) |
| Displacement | 270 cm³ |
| Fuel Type | Gasoline (E10 compatible) |
| Fuel Tank Capacity | 6 liters |
| Output Shaft | Cylindrical 22 mm with keyway |
| Clutch Type | Oil Bath Clutch |
| Starting System | Cable Starter |
| Cooling System | Air-cooled |
| Item Weight | 30.1 Kilograms |
| Product Dimensions (L x W x H) | 51 x 51.99 x 48.49 cm |
| Manufacturer Part Number | 92447 |
Image 5: Engine Performance Curve (Model 177F). This graph illustrates the engine's output (kW, PS) and torque (kg.m, N.m) across various engine speeds (r/min), providing insight into its operational characteristics.
Warranty and Support
This product is covered by the standard manufacturer's warranty provided by Wiltec Wildanger Technik GmbH. For specific warranty terms, claims, technical support, or inquiries regarding spare parts, please contact Wiltec directly. It is essential to retain your proof of purchase for any warranty-related services.
For additional information and support, please visit the official WilTec Brand Store.
