Seeing a few drops of water coming from the odd little hole under the water pump cover on your bike? if so you need to rebuild the water pump. ProX water pump kits contain all top quality gaskets and seals parts you need to do the job. Some times you may need to replace or linish the water pump the shaft if it is pitted, rusty or flaky. It the shaft is worn to much replacing just the seals may not stop the leak. For YZ 250X use YZ 250 1999->2020.
If you hate been bombarded with unless crappy emails you should join our email list. Our marketing department is so overpaid and under worked you properly wont get any anything, but just in case you should join.