The metering diaphragm’s casket goes against the carb’s body. There are two indexing pins to locate it on.
STEP
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Once you have the metering valve rocker fastened in place, you'll install the gasket on the carburetor's body and then the new diaphragm in its respective position. The index pins will mate with the gasket and the diaphragm, so this is quick and easy.
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