1+ Piston and liner  
2+ .Piston ring kit  
3+ .Gudgeon pin  
4+ .Circlip  
5+ Connecting rod  
6+ .Small end bush  
7+ .Bolt  
8+ .Nut  
9+ Bearing shell  

The part numbers in the assembly image below relate to the product number in the table. Clicking on the part number will open up the relevant part details.