The most common engine failure we see is fuel systems failures. The fuel system was orginated in the late 1930's, the engine was never designed to run on unleaded gas, or ethnol fuels. The system is one of the simplest designed, the fuel tank is mounted above the carburetor, no additional fuel pump necessary.
These carburetors are direct replacement units for the Marvel Schreber® (Lincoln P/N: S-12875) and the Lincoln® carburetor (P/N: M-12484-2). These carburetors are only for Continental® F-162 and F-163 engines. These engines were found on the Lincoln® SA-200, Lincoln® SAE-300, Miller® Big 40-G, and Miller® Trailblazer 44-G welders.
These units are new and are direct replacements for OEM units. Stop wasting time and money: replace that worn out carburetor today!
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$345.53Price
Weldmart "Ezzee Idler Upgrade" System

The Weldmart Centurion PC board is the most advanced and easiest board to troubleshoot. Three different colored LED indicate status of the board.
The board can be used with a Reed Switch or with the "Hall-Effect Sensor" mounted in the right had corner of the board a simple wire takes the place of the reed switch.
With power to the board, you test the board by passing a small magnet over the Hall Effect Sensor, if the board is good, it will switch from low idle to high welding speed. No meters, no test lights, no guessing!
To check your idler solenoid, with power on, remove the wire on terminal 4 adn touch it to on if the mounting bolts. You get a small spark and hear the solenoid "pull-in".

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