This page shows how an H-68 diaphragm, that was designed to fit a Hitachi
carburetor, was used on a Keihin carburetor found on a Honda.
The small vent tube in the key-tab is sealed using the old tab cut from the
old diaphragm. Notice how the diaphragm is installed to "roll" up and down.
This photo shows how it looks without the tab as the JBM H-68 diaphragm is first installed.
This is a user "HACK" to allow a part to be used in a carburetor that it was not designed for.
( NOTE:  This bike was a Honda Magna model )
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installation page.
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