G01 - Crankcase
G02 - Crankshaft
G03 - Cylinder
G04 - Cylinder head
G05 - Timing
G06 - Oil pump and filter
G07 - Water pump
G08 - Cooling system
G09 - Clutch
G10 - Transmission
G11 - Change gear selector
G12 - Fuel pump
G13 - Throttle body
G14 - Starter
G16 - Exhaust System
