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Thread: 91FX problems.
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Old 08-23-2002 | 01:21 AM
  #25  
downunder-RCU
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From: Adelaide, South Australia
Default 91FX problems.

Seeing that remounting the needle valve cured the problem made me wonder. Does that needle valve hanging off an arm mounted solidly to the engine amplify the natural vibrations and maybe get into a harmonic at certain revs?