disassembled engine close up

assembly automobile background bike block camshaft car carparts carservice clutch copy crankcase cylinder decomposition disassembled disassembledengine disassembly disassemblyoftheengine engine enginediagnostics enginerebuilding enginerepair enginestand gear hand head japan machine machinery made maintenance mechanic metals motor motorcycle parts personnel piston repair repairman service shop space specialtoolsforengines thecamshaftcover thecamshafts thecylinderhead theengineblock watercooled white