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Old 07-05-2021, 04:43 PM   #28
Darren69
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Join Date: Sep 2013
Location: Sutton In Ashfield
Bike: Multiple Monsters
Posts: 6,091
Yea, no air supply issues then. It still sounds like a fuel supply issue and the regulator is there in case of over pressure so I don't think it will be that, and if you have blocked injectors or duff coils it will be dropping onto one cylinder so you would just lose power but should still rev out.

The only other thing that I can think of is the valve adjustment being out but I doubt that would have to be a long way out to have such a drastic effect. You would lose power sure, but the engine would probably explode before getting that bad. It's like it's only breathing through 1 valve instead of 2.

You sir have a 4V Ducati that thinks its a 2V. Even the 2V will rev up past 8/9K but will just not make any more power past 7K.
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