Engine overhaul halfcut CBR 150 Fi / bongkar mesin turun cyl block & head HD

overhaul CBR 150 half cut area , cylinder head assy , chamshaft , shim & valve , cleaning combustion chamber , check liner cylinder , replace piston kit spec CBR 150 FI , custom high compression , higlift camshaft & duration cam , free flow exhaust oke mas bro langsung cuss aja video langkah langkah pembongkaran area hingga cylinder block terlepas