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Discussion Starter · #1 ·
Took BB out couple days ago and came through town and BB got hot(mid gaugh temp) as got home BB seemed not so smooth at low RPM. Out today for blat, same sounds like Ducati/Triumph, but ok past 3K storming accellaration as normal, but seems to be using more fuel and can only describe how it feels as if its a HT , Plug or coil beaking down. Starts ok but not as easy as it normally does. Other than this happening below 3k bike run great, temp normal any ideas
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Carbs or FI?

If it's FI, check the vent lines for raw fuel, the dead giveaway for a compromised fuel pressure regulator (FPR). Anecdotal evidence suggests poor fuel mixes (think alcohol blends and/or dubious additives) can take a toll on the FPR's internal diaphragm. Easy fix; replace the FPR (right side of the fuel rail).
 

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Discussion Starter · #3 ·
Carbs or FI?

If it's FI, check the vent lines for raw fuel, the dead giveaway for a compromised fuel pressure regulator (FPR). Anecdotal evidence suggests poor fuel mixes (think alcohol blends and/or dubious additives) can take a toll on the FPR's internal diaphragm. Easy fix; replace the FPR (right side of the fuel rail).
Thanks for the info mines a 98 cabbie, just gonna take tank off and have a look, hoping just bad fuel as this happened after filling right up :unsure:(y)
 
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