Removed from running 2022 Kawasaki KX 250. Head is ported and polished by PRO CIRCUIT AND FULLY REBUILT by them. Can be ran with pump fuel safely. Engine recently had top end done for maintenance with pc piston and oem timing chain 12 hours ago. 27 hours on crank .Full hinson clutch, can remove and put stock clutch in for less. Well maintained can send videos of it and running videos if needed. will need to purchase the ecu separately or send your ecu out for reflash also have modded throttle body Please look at the invoices above to verify the full pc build -Titanium valves -copper berrylium valve seats -pc ported and polished head -pc hi comp piston