Tappet noise, also known as valve noise, is a common issue in Royal Enfield motorcycles. Here are some steps you can take to help reduce tappet noise:
Adjust the tappets: Tappet noise can often be minimized by adjusting the tappets to the correct clearance. This adjustment should be done according to the manufacturer's specifications and may require the expertise of a qualified mechanic or service center.
Use the recommended oil: Using the recommended grade and type of engine oil can help reduce tappet noise. Ensure that you are using the appropriate viscosity and quality of oil as specified in the owner's manual.
Maintain proper oil levels: It is crucial to maintain the engine oil at the recommended level. Low oil levels can result in increased tappet noise, so check the oil level regularly and top it up if necessary.
Regular oil changes: Regular oil changes at the recommended intervals help maintain the engine's health and can minimize tappet noise. Over time, engine oil can degrade and lose its effectiveness, leading to increased noise.
Warm-up the engine: Allow the engine to warm up properly before riding. This helps in proper lubrication of the tappets and can reduce noise.
Avoid excessive revving: Excessive revving can increase tappet noise. Try to avoid unnecessary high RPMs and maintain a smooth and steady throttle control.
Seek professional assistance: If the tappet noise persists despite taking the above steps, it is advisable to seek assistance from a Royal Enfield authorized service center or a qualified mechanic. They can diagnose the issue more accurately and provide appropriate solutions.
Remember, tappet noise can vary from motorcycle to motorcycle, and some level of noise is normal for Royal Enfield bikes. However, if the noise becomes excessively loud or irregular, it is best to have it checked by a professional to ensure there are no underlying problems.