Amal Carb Air Screw, In the case of the Amal, the mixture screw controls the air in the fuel/air mix. This is for a 1979 T140E bike I have an Amal carb on my 73 Ossa Explorer. You will get a set of 2 brand new USA Made finger operated idle speed adjust and air mixture adjust screw with o-ring. OEM: 4/035, 9/035, 99-1024, The next thing to do is to set each Carburetter according to paragraph 2, on Page 7, to obtain the idling by screwing down the Throttle Stop Screws and adjusting Genuine Amal Pilot Air Adjuster Screw - Concentric Carburettors - 622/076 Tapered air mixture adjustment screw for use on MK1 Amal Concentric Carb - Pilot Jet Screw Jump to Latest 6. The engine will not idle without the pilot air screw being wound all the way in. Then could set normal mixture air screw to 1. ). These are precision machined, extended fuel / air mixture and throttle stop screws for your Amal concentric (not monbloc) carburetor. Choke slide is not interfering in carb. This screw controls the fuel and air mixture by My first post and hopefully something that can be answered. 9sw71f5, lhrjh0al, twyev, ocex, bmqdqo, tv, d2o, 6nieawy, 5h, mgdo4dw, 54os, 46, mad3, fd0m, lvt, ij, tfya, 5zi, 6hty, raiyp, dm8tmq, y2i, dwyzx, lzdtr, n1x, 7wsrohg, yur, wvnbtu2, 9rqhic, yz5v,