Rebuilding the petcock/fuel tap: Difference between revisions
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For the diaphragm to work properly, there is a small vent hole to atmosphere on the bottom side of the petcock. This has to be clear. After you disassemble the petcock, check for crud on both sides of the diaphragm. If you're very fortunate, this may be all that is wrong. If there is debris on the fuel side, then a check of the complete fuel system would be prudent. | For the diaphragm to work properly, there is a small vent hole to atmosphere on the bottom side of the petcock. This has to be clear. After you disassemble the petcock, check for crud on both sides of the diaphragm. If you're very fortunate, this may be all that is wrong. If there is debris on the fuel side, then a check of the complete fuel system would be prudent. | ||
[[image:5_Diaphram vent.jpg|150px]] | [[image:5_Diaphram vent.jpg|150px]] | ||