One of the final tasks on Project 34, a 1987 VFR700 F2, is to inspect the fuel tank fittings. When I removed the original selector valve, this is what I found. This is the result of many years of disuse and evaporating fuel, leaving these line-clogging crusty deposits behind.
The petcock will be changed to a fresh assembly, and to clear those three lines into and out of the tank I use a flexible vinyl-coated electrical wire, gently breaking up the deposits. I then blow compressed air into the tank from the filler neck which blows the crud outward, so as not to clog the pickup screens inside the tank.
This is a perfect example of why every system on these old, inactive bikes needs to be addressed.
The petcock will be changed to a fresh assembly, and to clear those three lines into and out of the tank I use a flexible vinyl-coated electrical wire, gently breaking up the deposits. I then blow compressed air into the tank from the filler neck which blows the crud outward, so as not to clog the pickup screens inside the tank.
This is a perfect example of why every system on these old, inactive bikes needs to be addressed.
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