Grill flame and replacement

[JHZR2]

I’ve had a Weber Q large size for a very long time. We don’t grill that much, maybe a few times a month on average, a little more in the summer, less in the winter.

The center burner in it seems to make a lot of yellow-orange flame, while the outer ring of burners is still blue, maybe even undersized compared to when new. The grill will get up to around 600 when left burning full high heat, just like when new.

Is this a sign that the burners need replacement or service?

 

[Chris142]

Probably need to be cleaned. May have something in the orifices.

 

[JavierH19]

I use the torch tip cleaners to clean it. The simple one usually works and if not then the drill type one always does. Also the tank is full right? Once it goes down it behaves more like that.