We see a fair number of off road bikes with premature engine wear from dirt ingestion. One often overlooked problem is the air filter cage. Many times these cheap plastic cages warp which causes the air filter to not seal tight against the air box. A good solution is to replace it with an aluminum aftermarket unit. Twin Air is one brand that offers this solution.
I have been involved in mechanics and motorcycling from a young age. I formed Cycle Improvements in 1981 and still have the same passion to learn today as when I started. Hope you find this blog interesting and educational.