F10-4

F10-5

F10-6

English

10. Maintenance

sure to have them repaired before operating again.

■PERIODICAL SERVICE POINTS

1. Cylinder fins

Dust clogging between the cylinder fins will cause overheating of the engine. Periodically check and clean the cylinder fins after removing the air cleaner and the cylinder cover. When installing the cylinder cover, make sure that switch wires and grommets are positioned correctly in place. (F10-4)

NOTE

Be sure to block the air intake hole.

2. Fuel filter

(1)Using a wire hook, take out the filter from the filler port. (F10-5)

(2)Disassemble the filter and wash with gasoline, or replace with a new one if needed. (F10-6)

NOTE

•After removing the filter, use a pinch to hold the end of the suction pipe.

•When assembling the filter, take care not to allow filter fibers or dust inside the suction pipe.

3. Oil tank

With a wire hook, take out the oil filter through the filler port and clean in gasoline. When putting the filter back into the tank, make sure that it comes to the front right corner. Also clean off dirt in the tank.

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Zenoah G621AVS manual Periodical Service Points, Cylinder fins, Fuel filter
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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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