Flat Spot or Hesitation - Yamaha Star V-Max Forum

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Flat Spot or Hesitation

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TOPIC: Flat Spot or Hesitation

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#75097

Flat Spot or Hesitation 1 Month ago
I have had a Akropovic crossover system insalled on 09 Vmax with stock cans sounds great. one problem a slight hesitation when starting off. Dealer adjustered O2 levels has not helped. Any clues.

greggmax

Fresh Max

Posts: 1

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#75109

Re:Flat Spot or Hesitation 1 Month ago
It's lean, better go for PCV or other fueler

wadejesu

Senior Max

Posts: 259

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#75214

Re: Flat Spot or Hesitation 1 Month ago
Greggmax, have you opened up the air box? If so, that is the culprit. Akra designed the mid pipe to run stock ECU and air box. Air box mod=PC V. My o9 runs great with the same exhaust set up. D Max