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Quick Adjust Fuel Screw
If you have a Keihin FCR carb on your bike you already know it is a "royal pain in the butt" to adjust the fuel screw on your carburetor.
This is because the fuel screw is recessed 1 1/2". Here is little tool that will make adjustments very easy at the track or in the garage!
Here are the instructions for making the tool.
You only need Three parts:
1 piece of 7/32" O.D. brass tubing. (hobby shop)
1 rod coupling nut 1/4 x 7/16 drilled out to 7/32". (Home Depot)
1 "screwdriver bit" made from an 8 penny common box nail.
Cut the nail about 3/16" shorter than the brass tube.
Hammer, grind and file the cut end into a flat screwdriver shape.
Make the bit end wide enough so that it is a snug fit inside the tube.
This insures that the "screwdriver bit" is centered in the tube.
Also make sure that the end of the "bit is recessed at least 1/16" from the end of the tube.
Glue all this together with some JB Weld or epoxy. Don't get any adhesive on the bit end.
When inserted into your carb the tube will go over the pilot screw, then turn the tool until you feel it grab and adjust away.
Thank you Kendell Coniff for the info about this mod (aka "Mad Potter" on TTalk)!
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