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These instructions for the homemade Carburetor tool are by Marty Ignazito at
http://www.powerchutes.com/manometer.asp
Here's the Materials List for the Shop Made Carb Synchronizer Tool:
- 20 feet of 1/8" clear vinyl tubing.
- A yard stick.
- 1X4X4' Board.
- #6 - ½" screws or small brad nails
- Double Point Staples
- A tiny amount of automatic transmission fluid - ATF won't hurt the
engine if it accidentally gets sucked in the vacuum port.
Building the Synchronizer:
Fold your 20' of vinyl tubing in half and mark the center point. Screw or
nail the yardstick down flat on the 1X4, centering it. Place the center
point of the tubing at the bottom end of your yardstick and tack in place
with the double point staples. Carefully run the tubing up each side of the
yardstick, making sure that the tubing makes a smooth, non-kinked bend at
the bottom and tack it in place with the double point staples. Drill a small
hole in the top of the 1X4 so it can be hung from the wall.
You now have tubing running around the perimeter of the yardstick and about
seven feet of tubing hangs down from the left and right sides of the 'stick.
I fold a piece of tape around each end of the tubing like a little flag and
mark the left side with an "L" and the right side with an "R" using a magic
marker.
Now, put one side of the tubing in the container of automatic transmission
fluid and, using the other side of the tubing like a drinking straw, suck
ATF fluid about three feet up into the tubing. Maintaining suction for a
second, pull the tubing out of the ATF container and then raise BOTH ends of
the tubing above the top of the yardstick. Temporarily fasten both ends of
the tubing high enough that the ATF drains down to the loop at the bottom of
the yardstick. I recommend leaving it overnight so that all the bubbles,
etc. work their way out.
Once the ATF has settled into the bottom of the tubing, the balancer is
almost ready to use. If everything has gone according to plan, you should
now have a nicely graduated rule hanging from the ceiling with a
thermometer-like tube running up both sides, with the red "thermometer"
fluid about half-way up each side at identical heights. Cut a piece of black
electrical tape just long enough to cover the width of your ruler and use it
to mark the height of the fluid. Your super-accurate Carburetor
Synchronizing Tool is now ready to use.
Note: For a 4 cylinder tool, just start out with a wider board like a 1x6 or
1x8 and use two yard sticks and two 20' pieces of 1/8" tubing, put them side
by side on the board and number each tube end 1 thru 4. Make sure the engine
is turned off when connecting or disconnecting.
A single unit should look something like this:
PS: Care must be taken while the vinyl tubing is attached to the GoldWing.
Although I had no problem when I adjusted my 88 the tubing can get very soft
when hot.
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