These throttle Valve Set are items that do wear in time, almost imperceptibly at first, but the deterioration will get worse, with lower performance and difficult starting. If in doubt, replace them!
We can also supply the other items you may need to complete your carburettor rebuild - check the online schematic for your model, where you can find all the items with their respective part numbers. This will aid you in locating the parts you need.
Check the schematic for your model and take a better informed decision when placing your order. No company is more proactive in seeking out those rare NOS spares - that said don't miss out on this item?