I made a tool to change to O-rings in the fuel selector that I thought other owners might be interested in. It made sliding the rotating part of the valve that holds the O-rings and springs and balls a simple job without parts flinging around the inside of the CC. 😀

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I still loaded the balls and springs inside of the plastic bag just in case. The back side of the tool is opened to 1” diameter to slide over the OD of the housing on the valve and keep things aligned. The ID of the part holding the cartridge is .812”. The long #8 screw is used as a handle. A little EZ Turn on the O-rings and it is leak-free again.

i think I’ll change these out every two years regardless of condition.