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Join Date: Jun 2006
Location: Corpus Christi, Texas
I took a look in my Clymers and found the fuel level procedure on page 267. It too says you need a special tool but after looking at diagram 68, you could make one with a metal straight edge marked in millemeters and some patience. Find some appropriate tubing and lay it out next to the straight edge and mark it off as per the diagram. Then, follow the procedure of ppg 267-8. Just remember that if the readings are out of spec, you will have to remove the carbs. This is a pain in the rear with the engine in the frame but it is doable. Just follow the directions on page 253 and you will be able to do it.
However, if the engine runs fine after initially adding Sea Foam, I would suspect a partially clogged jet or needle valve. The SF is cleaning it initially but not completely. You may want to remove the bowl bottoms and hit the jet with some compressed air. The bottoms are removable without taking the carbs off the bike. They are held by 2 7mm bolts and you will have to use an open end wrench as there is no room for a socket.
Good Luck and hope this helps.
93 VN 750 "Ursula"
Moved R/R 08Sep06
R/R rewire 17Feb07
New R/R, Installed 14Jun08
New Stator installed 10 Jun08
Maintenance Free Battery 12Jan08