well we find out soon enough , a small carb prob' and allgood then , cut the whole place with it today and did a sweet cut too , wow it blows stuff everywhere ! if i could find my book someone borrowed i could work it out , i know slight different settings with the poppet but cant remember now and maybe carb springs too i think , when i find it i'll know wootbut i great machine all the same . almost better than old faithfull VC i normally use