F10-1

F10-2

F10-3

English

10. Maintenance

Maintenance, replacement, or repair of the emission control device and systems may be performed by any non-road engine repair establishment or individual.

WARNING

Before cleaning, inspecting or repairing your unit, make sure that engine has stopped and is cool. Disconnect the spark plug to prevent accidental starting.

■MAINTENANCE AFTER EACH USE

1. Air filter

Loosen the knob and remove the air cleaner cover. Take off the filter element and brush off attached sawdust. When the filter is clogged with dust, separate it in halves and shake-wash with gasoline. Dry them completely before reinstalling. (F10-1)

(1) Air filter

NOTE

When servicing the air filter, be sure to block the air intake hole with cloth. (F10-1)

2. Oiling port

Dismount the guide bar and check the oiling port for clogging. (F10-2)

(1) Oiling port

3. Guide bar

When the guide bar is dismounted, remove sawdust in the bar groove and the oiling port.

Grease the nose sprocket from the feeding port on the tip of the bar. (F10-3)

(1)Groove

(2)Oiling port

(3)Grease port

(4)Sprocket

4. Others

Check for fuel leakage and loose fastenings and damage to major parts, especially handle joints and guide bar mounting. If any defects are found, make

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Zenoah G621AVS Maintenance After Each USE, Oiling port Guide bar, Groove Oiling port Grease port Sprocket Others
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G621AVS specifications

The Zenoah G621AVS is a powerful and reliable two-stroke engine designed for a wide range of applications, particularly in the realm of remote-controlled (RC) models and outdoor power equipment. Recognized for its blend of performance, efficiency, and durability, the G621AVS is a popular choice among hobbyists and professionals alike.

One of the standout features of the G621AVS is its displacement of 62cc, which provides a significant power output, making it suitable for various applications including RC helicopters, airplanes, and large-scale gardening equipment. This engine is engineered with a parallel twin-cylinder configuration, allowing for improved torque and smoother operation, which enhances overall performance and responsiveness.

The G621AVS utilizes advanced anti-vibration systems to reduce operational vibrations. This technology ensures user comfort and improves the longevity of the engine components by minimizing wear and tear caused by excessive vibrations. Consequently, operators can enjoy extended periods of use without fatigue, whether they are flying an RC aircraft or operating gardening tools.

Zenoah has also implemented a sophisticated carburetor system in the G621AVS, optimizing fuel efficiency while ensuring high performance. The engine is designed to deliver a stable fuel-air mixture, allowing for consistent power output and reliable starts. This results in lower fuel consumption, which is not only cost-effective but also environmentally friendly, reducing emissions without sacrificing performance.

Another characteristic of the G621AVS is its robust construction. Built with high-quality materials, the engine is designed to withstand harsh operating conditions. The durable design prolongs the lifespan of the engine, giving users confidence in their investment while ensuring dependable operation in various environments.

Easy maintenance is another key feature of the G621AVS. The engine is designed for straightforward access to components, making regular maintenance tasks less time-consuming and more accessible for users. Zenoah provides comprehensive support and resources, ensuring users can efficiently maintain high performance over the life of the engine.

In conclusion, the Zenoah G621AVS stands out in the competitive landscape of two-stroke engines, thanks to its powerful output, advanced technologies, and user-friendly features. Whether used in RC hobbies or professional applications, this engine promises reliability and efficiency, making it a top choice for those seeking performance and durability.
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