On most Zama carburetors to help find the correct adjustment there is a small L beside the Idle mixture screw and H beside the High speed mixture adjustment Normal adjustment for 2 needle carbureto ID: 854012
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1 How to adjust typical diaphragm carburet
How to adjust typical diaphragm carburetors On most Zama carburetors to help find the correct adjustment there is a small L beside the Idle mixture screw and H beside the High speed mixture adjustment. Normal adjustment for 2 ne
2 edle carburetors begins with the L needl
edle carburetors begins with the L needle. This adjustment controls the fuel flow to the low speed or idle circuit. If the carburetor is too far out of adjustment to run, or has been disassembled, start with turning the L and
3 H all the way in and then open 2 turns
H all the way in and then open 2 turns on each needle. Then turn the TAS screw or idle speed adjustment in all the way. When turning any of these screws be careful not to over tighten, this can cause damage to the carbureto