Getting ready to tear down motor because of a blown seal so i have to crack the cases anyhow, i have a weak top end i would like to replace if i can find what i am looking for other wise i will just send it in to be bored/ported. I would like to get cylinders with a dune port, dune play or dune hillshooter would be great. I can also go either way stock or 4mil but if i go 4mil i would be looking for domes also (18cc). Let me clarify i need something ready to run with pistons not something that needs to be sent in, unless i was saving good money. My goal here would be to get it fixed and still be able to get a couple rides before it is to cold to ride/camp so i thought i would try and see if someone might have what i am looking for, it seemed worth a try. So let me know if you might have something that would help me out, thanks.