MotoGP God
Posts: 18,275
Join Date: Apr 2002
Location: Oxford
Mood: Its ONLY a Bike Club
Well none of that worked although he bike was far more rideable at Cadwell partly due to a smoother (Lack of) power curve and the reworked front forks
Even reverting back to last years engine hasn't helped, If anything its lost him another bhp with it now down to 53bhp
Time to Blame the exhaust as its the only thing that we haven't tried and apparently it has been modified since the original Dyno runs, two possibilities here I suppose, the larger diameter tail section could be slowing the gasses down and causing issues or the dimensional change has altered the negative pressure that is reflected back up the exhaust to help scavange the cylinder and is now to much and robbing the inlet charge during valve overlap.
No quick fix as ideally another pipe needs to be fabricated , but in the short term Dallas may try a longer silencer with a smaller diameter core to see what effect that has.
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skidlids
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