Upgrade the performance of your HONDA XR50 CRF50 XR70 TRX90 with this genuine NGK Spark Plug Kit. These Standard Spark Plugs, with a bundle of 10, are made in Japan and fit perfectly into your machine as a direct replacement. They are designed to work with gasoline fuel, and have OE/OEM Part Number CR6HSA. In addition, these spark plugs have a variety of Interchange Part Numbers, including Yamaha 94700-00879 and DENSO Auto Parts 4004. The pack size of 10 ensures that you have enough for multiple replacements. Don't miss out on this opportunity to improve the performance of your machine.