| Item | 
            Part number | 
            Description | 
          
                        
                | 
                  1                 | 
                
                  504007419                 | 
                
                  CYLINDER HEAD ASSY                                   | 
              
                            
                | 
                  1                 | 
                
                  500311375                 | 
                
                  CYLINDER HEAD ASSY [UP TO # 3240893]                                   | 
              
                            
                | 
                  3                 | 
                
                  4749397                 | 
                
                  VALVE GUIDE                                   | 
              
                            
                | 
                  4                 | 
                
                  4749398                 | 
                
                  VALVE GUIDE +0.10                                   | 
              
                            
                | 
                  5                 | 
                
                  4749399                 | 
                
                  VALVE GUIDE +0,2                                   | 
              
                            
                | 
                  8                 | 
                
                  500311085                 | 
                
                  VALVE SEAT STD. EXHAUST                                   | 
              
                            
                | 
                  9                 | 
                
                  98466492                 | 
                
                  DOWEL PIN  [from 1671414]                                   | 
              
                            
                | 
                  12                 | 
                
                  13543924                 | 
                
                  STUD M8X16X45 MM                                   | 
              
                            
                | 
                  17                 | 
                
                  14326001                 | 
                
                  THREADED PLUG M10X1,25                                   | 
              
                            
                | 
                  18                 | 
                
                  7301820                 | 
                
                  INLET VALVE                                   | 
              
                            
                | 
                  19                 | 
                
                  99432837                 | 
                
                  EXHAUST VALVE                                   | 
              
                            
                | 
                  21                 | 
                
                  40101573                 | 
                
                  CAP                                   | 
              
                            
                | 
                  22                 | 
                
                  4734533                 | 
                
                  ENGINE VALV.SPRING OUTER                                   | 
              
                            
                | 
                  23                 | 
                
                  4723186                 | 
                
                  ENGINE VALV.SPRING INNER                                   | 
              
                            
                | 
                  24                 | 
                
                  4734531                 | 
                
                  SPRING CAP TOP                                   | 
              
                            
                | 
                  25                 | 
                
                  4749396                 | 
                
                  SPRING CAP BOTTOM                                   | 
              
                            
                | 
                  26                 | 
                
                  4733465                 | 
                
                  VALVE CONE                                   | 
              
                            
                | 
                  27                 | 
                
                  4733350                 | 
                
                  VALVE TAPPET                                   | 
              
                            
                | 
                  28                 | 
                
                  504007420                 | 
                
                  CYLINDER HEAD ASSY +0,2 MM                                   | 
              
                            
                | 
                  28                 | 
                
                  500311376                 | 
                
                  CYLINDER HEAD ASSY +0,2 MM [UP TO # 3240893]                                   | 
              
                            
                | 
                  29                 | 
                
                  16746934                 | 
                
                  STUD                                   | 
              
                            
                | 
                  30                 | 
                
                  4854648                 | 
                
                  CYL.HEAD STUD M12X1,25X163 MM                                   | 
              
                            
                | 
                  31                 | 
                
                  99442951                 | 
                
                  CYL.HEAD STUD M12X1,25X90 MM                                   | 
              
                            
                | 
                  32                 | 
                
                  17364724                 | 
                
                  STUD M6X15X25 MM                                   | 
              
                            
                | 
                  33                 | 
                
                  99462587                 | 
                
                  CYL. HEAD COVER                                   | 
              
                            
                | 
                  34                 | 
                
                  500388381                 | 
                
                  HEAD COVER GASKET                                   | 
              
                            
                | 
                  35                 | 
                
                  17152725                 | 
                
                  NUT M6                                   | 
              
                            
                | 
                  36                 | 
                
                  16727624                 | 
                
                  STUD M6X16 MM                                   | 
              
                            
                | 
                  37                 | 
                
                  2992504                 | 
                
                  ADHESIVE/STICKER LOCTITE                                   | 
              
                            
                | 
                  38                 | 
                
                  500319459                 | 
                
                  COVER REAR CYLINDER HEAD                                   | 
              
                            
                | 
                  39                 | 
                
                  500334777                 | 
                
                  FASTENING BRACKET                                   | 
              
                            
                | 
                  40                 | 
                
                  16605624                 | 
                
                  HEXAGON BOLT M8X25 MM (8.8)                                   | 
              
                            
                | 
                  41                 | 
                
                  16729724                 | 
                
                  STUD M8X40 MM                                   | 
              
                            
                | 
                  42                 | 
                
                  17089474                 | 
                
                  SPRING WASHER Ø8X16 MM SP=1,4 MM                                   | 
              
                            
                | 
                  43                 | 
                
                  17037931                 | 
                
                  HEXAGON NUT M8X1,25                                   | 
              
                            
                | 
                  44                 | 
                
                  16745124                 | 
                
                  STUD M6X25 MM                                   | 
              
                            
                | 
                  45                 | 
                
                  16746734                 | 
                
                  STUD M8X25 MM                                   | 
              
                            
                | 
                  46                 | 
                
                  13543224                 | 
                
                  STUD M8X16X18 MM                                   | 
              
                            
                | 
                  48                 | 
                
                  4279430                 | 
                
                  THREADED BUSH M14X1,5X20 MM                                   | 
              
                            
                | 
                  52                 | 
                
                  99432354                 | 
                
                  CYL.HEAD GASKET SP=1,2 MM                                   | 
              
                            
                | 
                  53                 | 
                
                  99460983                 | 
                
                  CYL.HEAD GASKET SP=1,4 MM                                   | 
              
                            
                | 
                  54                 | 
                
                  4279663                 | 
                
                  DOWEL PIN                                   | 
              
                            
                | 
                  55                 | 
                
                  500375126                 | 
                
                  FASTENING BRACKET                                   | 
              
                            
                | 
                  56                 | 
                
                  500324328                 | 
                
                  RETAINER                                   | 
              
                            
                | 
                  57                 | 
                
                  17044625                 | 
                
                  HEXAGON NUT M6                                   | 
              
                            
                | 
                  58                 | 
                
                  500343018                 | 
                
                  ELECTRON.TRANSMITT                                   | 
              
                            
                | 
                  59                 | 
                
                  16603677                 | 
                
                  HEXAGON BOLT M6X16 MM                                   | 
              
                            
                | 
                  60                 | 
                
                  500309888                 | 
                
                  STUD                                   | 
              
                            
                | 
                  61                 | 
                
                  4727119                 | 
                
                  WASHER                                   | 
              
                            
                | 
                  63                 | 
                
                  500311083                 | 
                
                  VALVE SEAT STD. INTAKE                                   | 
              
                            
                | 
                  64                 | 
                
                  500376326                 | 
                
                  FLAT ENGINE GASKET                                   |