Application: All bikes (tested here on 2016 Honda CRF450R) Price: $216.90 (revalve, parts, oil, labor), $253.75 (revalve, parts, oil, labor), $119.95 shock spring
In theory, air forks are an amazing innovation in motocross suspension as they allow the end user to fine-tune the spring component in their fork with a quick adjustment of air pressure. In reality, though, the cost-cutting design places too much responsibility in the hands of the average user, and for many, performance of the new-age forks leaves plenty to be desired.
The 2016 Honda CRF450R is one of our favorite bikes in the garage, but the Kayaba suspension— and PSF2 fork in particular—lacks control in highspeed, rough conditions. Both ends are on the soft side for all but the lightest riders, and the bike suffers from…