1. Introduction
This manual provides essential information for the proper installation, operation, and maintenance of your Artudatech Fuel Gas Tank Cap with Keys. Please read these instructions carefully before use to ensure safe and effective performance. This product is designed as an aftermarket replacement part for specific Yamaha motorcycle models.
2. Product Overview
The Artudatech Fuel Gas Tank Cap is a durable, chrome-finished metal component designed to secure your motorcycle's fuel tank. It comes with a set of keys for locking and unlocking the cap, providing security for your fuel.
2.1 Features
- Constructed from high-quality metal for durability.
- Chrome exterior finish for corrosion resistance and aesthetic appeal.
- Designed as a direct replacement for the original fuel cap.
- Includes two keys for secure locking.
2.2 Package Contents
- 1x Fuel Gas Tank Cap
- 2x Keys
3. Compatibility
This fuel gas tank cap is an aftermarket part compatible with various Yamaha motorcycle models. It is crucial to verify fitment with your specific motorcycle model and year before installation. Please compare the dimensions and design of this cap with your original part.
Important: This is an aftermarket product. Always confirm compatibility with your vehicle before purchase and installation.
Compatible Yamaha Models:
- Yamaha RD400 (1976-1979)
- Yamaha TX650 (1974)
- Yamaha XS400 (1977-1982)
- Yamaha XS500 (1975-1978)
- Yamaha XS650 (1975-1983)
- Yamaha XS750 (1977-1979)
- Yamaha XS850 (1980-1981)
- Yamaha XS1100 (1978-1981)
- Yamaha RX100
- Yamaha RX125
- Yamaha SR500 (1979-1983)
- Yamaha XS250 (1979-1980)
- Yamaha XS360 (1976-1977)
4. Installation Instructions
Before beginning installation, ensure your motorcycle is parked on a stable, level surface and the engine is cool. Exercise caution when working with fuel systems.
- Preparation: Ensure the fuel tank is not completely full to prevent spillage during cap removal.
- Remove Old Cap: Unlock and remove the existing fuel tank cap. Depending on your motorcycle model, this may involve turning the key and rotating the cap, or releasing retaining clips.
- Inspect Tank Opening: Clean the fuel tank opening and inspect the gasket seating area for any debris or damage.
- Install New Cap: Align the new Artudatech fuel cap with the tank opening. Gently press down and rotate or engage the locking tabs until it seats securely.
- Test Locking Mechanism: Insert one of the provided keys into the new cap and turn it to the locked position. Attempt to lift the cap to ensure it is securely fastened. Then, unlock and remove the key.
- Final Check: Confirm the cap is flush with the tank surface and there are no gaps.
If you are unsure about any step, it is recommended to consult a qualified motorcycle mechanic.

Figure 1: Front view of the Artudatech Fuel Gas Tank Cap with included keys.

Figure 2: The fuel cap with a key inserted into the lock mechanism.
5. Operation
Operating the Artudatech Fuel Gas Tank Cap is straightforward:
- To Unlock: Insert one of the provided keys into the keyhole on the cap. Turn the key clockwise (or counter-clockwise, depending on the lock mechanism) to the unlock position. The cap should then be free to open or be removed.
- To Lock: Place the cap back onto the fuel tank opening, ensuring it is properly seated. Insert the key and turn it to the lock position. Remove the key. Gently attempt to lift the cap to confirm it is securely locked.
Always remove the key after locking the cap to prevent loss or damage.

Figure 3: Underside view of the fuel cap, showing the locking tabs and rubber gasket, with keys.
6. Maintenance
Regular maintenance will help prolong the life and functionality of your fuel gas tank cap:
- Cleaning: Wipe the exterior of the cap with a soft, damp cloth to remove dirt and grime. Avoid abrasive cleaners that could damage the chrome finish.
- Lubrication: Periodically apply a small amount of graphite lubricant or a specialized lock lubricant to the keyhole to ensure smooth operation of the locking mechanism. Do not use oil-based lubricants as they can attract dirt.
- Inspection: Regularly check the rubber gasket on the underside of the cap for cracks, tears, or signs of wear. A damaged gasket can lead to fuel leaks or evaporation. Replace the cap if the gasket is compromised.
- Key Care: Keep your keys clean and free from debris. Avoid forcing the key if it feels stiff; apply lubricant as needed.

Figure 4: Close-up view of the fuel cap's underside locking mechanism and gasket.
7. Troubleshooting
If you encounter issues with your fuel gas tank cap, consider the following:
- Cap Difficult to Turn/Remove:
- Ensure the key is fully inserted and turned to the correct unlock position.
- Check for dirt or debris in the keyhole or around the cap's seating area. Clean as necessary.
- Apply lock lubricant to the keyhole.
- Cap Not Locking Securely:
- Verify the cap is properly seated and aligned with the tank opening.
- Inspect the locking tabs on the underside of the cap for damage or bending.
- Ensure the key is turned fully to the lock position before removal.
- Fuel Leakage:
- Check the rubber gasket for damage or improper seating. A worn gasket must be replaced.
- Ensure the cap is fully closed and locked.
If problems persist, contact customer support or a professional mechanic.
8. Specifications
| Attribute | Detail |
|---|---|
| Brand | Artudatech |
| Model Number | LockGas-Y07-AR |
| Material | Metal |
| Exterior Finish | Chrome |
| Vehicle Service Type | Motorcycle |
| Item Weight | 4.2 ounces |
| Package Dimensions | 2.36 x 1.57 x 0.79 inches |
9. Warranty and Support
For warranty information or technical support regarding your Artudatech Fuel Gas Tank Cap, please refer to the documentation provided with your purchase or contact Artudatech customer service directly. Contact details can typically be found on the manufacturer's official website or through your point of purchase.
When contacting support, please have your product model number (LockGas-Y07-AR) and purchase details readily available.