Im listing this for a friend he is selling his 1200 psi big bor complete engine with pipes motor is out of a CMX and run now on 50/50 but you can turn the domes down and run PUMP fuel engine is still in sled and can hear it run its in a gen 2 cmx based off the 900 cat bottom end this thing rips I know Ive rode it all I can say is OH MY GOD !!!!!!!!! 4400.00 gets you this bad boy