The free end of the metering lever should be 0 to 0.3 mm - 0 to 0.012" below the straight edge. I also rinsed the tank with gas before ⦠CARBURETOR OVERVIEW. 1. The carburetor is the part of the engine that the air filter is attached to. A Zama Z gauge is designed to adjust all models. Rather than spending hours on randomly trying different solutions, letâs go over some carburetor basics before diving into making adjustments: Overview of Fuel Delivery Setup; Overview of Fuel Mixture Adjustment ⦠Do not depend on the factory delivered settings. Locate the carburetor by finding the engineâs air filter. ⢠Adjusting the metering lever. a, place a straight edge or Zama Z gauge across the carburetor body. If metering lever is as in Fig. I replaced the carb, fuel line, spark plug, air filter, fuel filter, and old fuel. It usually sits on top of the carburetor. Adjusting the carburetor is fairly simple and the adjustment screws are easy to access. I've never repaired or even touched a carburetor before, but I've always wanted to learn. The air filter on a car might be large and round. Adjusting the Motorcraft 2 barrel carburetor to the proper settings will provide you with more performance and better fuel mileage. Other 4 barrel carburetors such as the Carter AVS, Carter TQ, Rochester 4GC, and Rochester Q-Jet have a tensioned secondary spring. Gently turn the 'L' and 'H' adjustment screws clockwise until they seat with the flathead screwdriver. When it comes to tuning or adjusting a carburetor, the aim is to balance the air-fuel ratio, the mass of fuel delivered per mass of air, balancing power output, fuel economy, emissions, and engine longevity. Through my own stupidity and ethanol my Mantis's carb needed to be replaced. 6 years ago. The Motorcraft 2 barrel carburetor has two idle mixture adjustment screws on the front near the base, and an idle speed adjustment screw next to the choke cable. Locate the carburetor on the right side of the engine directly under the air filter. ZAMA supplies diaphragm carburetors, solenoid valves, electronic fuel injection(EFI), oilpumps, various ⦠Adjusting Zama carburetor. higgledy. Look at the engine and spot the round or cone-shaped air filter. AN ADVANTAGE OF THE WEBER CARBURETOR IS ITS EASE OF ADJUSTMENT AND TUNING. SET UP ADJUSTMENTS Start set up by confirming carb base line settings. All settings are done with choke disengaged or warmed up so that the ⦠How to Adjust a Zama Carburetor Set the engine on a hard, flat surface. b ⦠The Carter AFB uses weights, and therefore never goes out of adjustment. ZAMA is a well-known air-fuel-system supplier in the outdoor power equipment industry worldwide. (B) If the metering lever is as Fig. All manual are in pdf format - Chainsaw Carburetors & Trimmer and Blower Carburetors. 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