Join Date: Feb 2015
Location: southern oregon
here is a link to a head. Yamaha Bear Tracker 250 YFM250 Cylinder Head and Valve Assembly 1999-2004 (Fits: 2001 Yamaha Bear Tracker 250)
One Year Warranty! NGK Spark Plug!
a quick ebay search and i found over 10000 parts, new and used. it looks like rocky mountain atv has any of the oem stuff you may need.
for ebay just type in bear tracker 250 and the part you are looking for. if it does not come up just drop the specific part and start scrolling. if you have not used ebay much be careful on the used parts. if it is coming from a dismantler you are good to go but be very careful with the private party stuff. make sure it is what you need. they also have a good selection of aftermarket stuff
for rock mtn go to there site and click the oem box and enter your machine and they will have all the factory parts blow ups so you can get the right part and it help with assembly if you dont have a manual.
have fun sounds like a great project. let me know if you need help with ebay. i will have spotty coverage for the next 4 days but i will get back to you if you need something.