The Kawasaki Genuine OEM Tune Up Kit 99969-6537 provides everything you need for annual maintenance for your Kawasaki engine. The kit includes an OEM Kawasaki engine oil filter, KTECH 10w-40 engine oil, air filter, fuel filter, and spark plugs. This kit is designed specifically for use in the FX751V, FX801V, FX850V, and FX850V EFI engines. This kit provides everything you need for a hassle-free tune-up and ensures optimal performance of your Kawasaki engine.