There is a different kit available for those models

Year Make Model 2010-2013 YAMAHA YZ250F

and ruts in the nastiest environments

2009 HONDA XL1000 Varadero ABS

Inside the front fork you have our NIX-technology with separated circuits for rebound and compression

NGK - Standard Spark Plug (BlackR7EKU) K-Type-Suspensions Rebuild There is a different kitNGK standard plugs are constructed for longer life and optimum performance. Trivalent metal plating provides superior anti corrosion and anti seizing properties. Corrugated ribs prevent flashover. Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer. Copper core aids in heat removal. Triple seals prevent leakage