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View compareFrequently Asked Questions
- Q: What materials are used in the OS Engines Locknut Set? A: The OS Engines Locknut Set is made of durable steel. This construction ensures longevity and reliability during operation.
- Q: What are the dimensions of the propeller washer? A: The propeller washer has an inner diameter of eleven millimeters and an outer diameter of twenty-eight millimeters. It is three millimeters thick.
- Q: What is the size of the hex lock nut included? A: The hex lock nut measures seven millimeters. It is designed to securely hold the propeller in place.
- Q: How do I install the OS Engines Locknut Set? A: To install, place the metal propeller washer on the prop shaft, followed by the hex lock nut. Tighten securely to prevent loosening.
- Q: Is the Locknut Set suitable for all O.S. Max engines? A: Yes, this Locknut Set is compatible with multiple O.S. Max engines, including FS-70 Surpass and FS-120 Surpass models. It is versatile for various applications.
- Q: Can I use this Locknut Set for other brands of engines? A: No, this Locknut Set is specifically designed for O.S. Max engines. Using it with other brands may not provide a secure fit.
- Q: How do I clean and maintain the Locknut Set? A: To maintain the Locknut Set, wipe it clean with a dry cloth after use. Avoid using harsh chemicals that may damage the steel.
- Q: Is the Locknut Set safe for high-speed operations? A: Yes, the Locknut Set is designed to withstand high-speed operations. Its durable steel construction prevents the propeller from flying off.
- Q: Should I check the Locknut Set regularly? A: Yes, it’s advisable to check the Locknut Set for tightness before each use. Regular checks ensure safety during operation.
- Q: How does this Locknut Set compare to others on the market? A: This Locknut Set offers superior durability and reliability due to its steel construction. Many alternatives may not provide the same level of security.
- Q: Is this Locknut Set a good choice for beginners? A: Yes, this Locknut Set is user-friendly and suitable for both beginners and experienced users. It simplifies the installation process.
- Q: What should I do if the Locknut Set arrives damaged? A: If the Locknut Set arrives damaged, contact the seller immediately for a replacement or refund. Ensure you keep the original packaging.
- Q: Does this product come with a warranty? A: Yes, the OS Engines Locknut Set typically comes with a manufacturer warranty. Check the packaging for specific warranty details.
- Q: Can I return the Locknut Set if I am not satisfied? A: Yes, you can return the Locknut Set within the seller's return policy timeframe if you are not satisfied. Be sure to retain your receipt.
- Q: What is included in the Locknut Set package? A: The package includes one metal propeller washer and one metal hex lock nut. This ensures you have the necessary components for installation.

