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A must-have tool for checking and setting the meter leaver height on Walbro WB and WG8 carburettors.
If the lever sits too high, it will deliver too much fuel, resulting in a rich fuel mixture and making proper tuning by jet mixture alone impossible. The needle height and spring pressure (pop-off) are critical for tuning thereafter.
Take a look at our Pop-Off Pressure Gauge
Please refer to your engine's User Manual for all the carburettor settings.
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