The orifice for the fuel pump (Small hole below butterfly valve in picture) on the Stihl, is a little off center so I sideways drilled the orifice on the carburettor over about 5mm to mate over the hole. The carburettor may match other models without needing to do this. Much improvement on the original carburettor. Easy to tune. Reliable idle good power and fuel efficiency. Primer being part of carb is good. No choke though. I remove filter and stick finger in hole to start when cold. I don't remember if the original filter housing had a choke. I mention it here so you are aware there is no choke in this unit. Overall my machine has never run as well and this is a very very inexpensive buy.
Verified purchase: Yes | Condition: New
this was cheaper than taking the unit to the service dept and probably more sense
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
don't waste money
Verified purchase: Yes | Condition: New
2 fitted both running well
Verified purchase: Yes | Condition: New
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