You may remember a couple of weeks ago I posted I was stumped by my BJ7 going
to wide-open-throttle at start-up. All those who thought "throttle linkage",
give yourself a pat on the back. It was actually Norman Nock who provided
the best clue, when he said I couldn't get to WOT without the butterflies
being opened. Sure enough, I checked again and the butterflies were opened a
bit with the throttle closed. I disconnected all the linkage, but they still
weren't closing all the way. Took the carbs off, separated the connecting
linkage and the throttles closed completely. The aha! moment hit. Because I
couldn't locate an original BJ7 throttle coupling shaft, I had to fab one up
from two individual shafts, one which had a throttle stop, the other with the
bellcrank. I connected the two with a flexible coupling spring. I was wary
of cutting one of the coupling shafts too short so I made a number of cuts
until I had a snug fit of
the shaft between the two carbs. Problem was, it was too snug and was
putting enough pressure on each throttle shaft to bind them up without
allowing the butterflies to completely close. A little grinding off the end
of one of the shafts and problem solved.
A special thanks to Ed, also, who offered a bunch of helpful suggestions and
encouraged me to keep at it until I found the problem.
Happy Healeying,
Rick
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