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#help #suspension #yfz450 2008 2008yfz450 2017 yamaha yfz 450r 450 450r a arms aftermarket airbox ais delete backfiring battery battery issue best coilovers big 3 big bore bog carb carb conversion chain clutch coolant crank cranks wont fire up dasa ecu efi efi tunning electric issue electrical problem engine exhaust fci fci yfz450r fourwerx fuel controller fuel injected fuel programmer full exhaust graphics gytr help help please high compression high idle hmf intake jetting leak maintainance mapping maps msd msd blaster need help nerf bars new owner no spark no start oil parts parts review pros & cons pros and cons quad racing atv rebuild rev speed rossier sand dunes shocks sprocket stalling starting starting problem stroker stroker kit throttle transmission trinity tune tune yfz450r tuning vortex vortex ecu wiring wont start yfz yfz 2015 yfz 450 2004 yfz 450 2005 yfz 450r yfz450 yfz450 help yfz450 problems yfz450 tuning yfz450r yfz450r se
  1. YFZ450 & YFZ450R General Talk
    I have a 2013 se and i am considering to buy a full hmf exhaust. I know i need a tuner, but i has got told the only good one is a vortex and i are not giving 700 for that. I found out you could get the ecu reflashed. Does a reflash work and will it work like a controller/powercommander?
    2013 ecu flash exhaust yfz 450r
  2. YFZ450 & YFZ450R General Talk
    I’m doing a couple upgrades, intake/full exhaust. What are the pros and cons of the ECU flash? I ride MX but don’t race just want my bike to run correct as to not blow the engine, can a flash tune it without a dyno? Any info will help.
    ecu ecu flash
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