v-twin problem...code for 33....code for injector....bike wont start

bikes start to sound like it misfire from one cylinder....change the plug ..the coil...the bike was running better but had some hesitation(want to stall) ...took a 15m drive the bikes die on me and didnt want to start again..code was 33 34 and one for the injector(cant remember the number)..bought a new ecu.... was running again ...took it for a test ride(3 minute ride)...at around 7k rpm the bike kind of spurting and the check engine was flashing....but the check engine didnt stay on...try to start the bikes the same day after the sort test ride....big loud pow ...and wont start again......no code on the screen
 
I would do a compression test before trying to start it again. Also, make sure that youre getting a spark on all 4 plugs once you're sure that you have good compression. Lastly, from what I read, these bikes are known to have a kinked fuel line coming from the tank. Take a look at it and make sure it's good/replace it with a better flexible line.
 
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