Complete head for a 2023 350 SX-F available due to engine failure. The engine was disassembled to identify the issue, which was traced to a failed starter bearing that sent metal shavings into the oil pump, causing it to seize. Fortunately, no metal debris or overheating was found in the top end of the engine. All OEM components of the bike are available for parting out. I have logged 90 hours of ride time on this bike, which was purchased new. was bought new.