1+ Breather pipe  
2+ Fuel hose  
3+ Worm drive hose clip  
4+ Hose  
5+ Worm drive hose clip  
6+ Vent valve  
7+ Bush  
8+ Hose  
9+ Crankcase breather pipe  
10+ Hose clip  

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.