I may be talking out my a*se, but I know that the Blast can suffer from a blocked fuel filter/valve. Just wondered if it could be something like this??? Only a suggestion.... It might be worth a try if there is one on your Buell.

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Valencia Orange XB12Scg - serviced by Maz 2018
Black P3 Blast - serviced by Maz and fixed by Maz in 2019

All injection fuel systems have a fuel filter. So yes it does.

......major job to change on an XB though

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Mithered ta death.
92 MB
96 S2T
98 S1W
00 M2
01 X1
03 P3
10 CR

Yes you spent your money and now your fucked.

had error code 15 on my x1 after i had re-positioned the Iat sensor due to aftermarket air filter change, it would not start , checked plugs for spark, fuel etc, still nothing, took the sensor out and held tip between finger and thumb, turned ignition on, waited for managment light to go out and it started.
God knows what the problem was.

Right this thing is weird. Brought it back to bury, put it in garage and it started, only on one cylinder mind. So going to strip the plugs out again tommorow and give that another go.

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XB12scg lighting

These engines don't like to be started and stopped in cold weather without letting them warm up...

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08 Specialized Langster

I'd guess you flooded it trying to start it and now one cylinder has dryed out enough to run the other one now has a fouled spark plug

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2001 X1 2009 1125CR 2006 Uly X3 2010 Uly a fully Maz'd S1 and a 1991 RS1200 Westwind.

Before you bury it, sell me your rocker boxes

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If your dreams don't scare you, they are not big enough.