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Old 08-18-2016 | 10:04 PM
  #210  
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av8tor1977
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My twin cylinder (boxer style) engines are so silky smooth it is amazing.

Vibration as severe as you describe is totally unacceptable and may be contributing to your running/tuning problems. Your prop hub may not be true, or your crank may be bent or twisted.

AV8TOR
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