For the $$ you are going to save on rebuilding yourself. Send the head out to get done. Around 65$ i think to Kor. Best bang fir the buck. You should have it back before boreais done. Better yet. Send cylinder and head there and still be well under what you expected to pay and know its done right. While u r waiting watch his vids on doing a clutch mod and look up how to perform a 2 stroke leakdown test. Shoot