K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils: Fits Select Yamaha Vehicles, KN-141 - Walmart.com
Oil Filter K&N Filters KN-141 | eBay
NOS Yamaha WR250X WR450F XT250 YZ250F YZ450F K&N Oil Filter Open Box KN-141 | eBay