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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 oem 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 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 2018 yfz450r and I’m running a dasa exhaust, FCI with box no lid, and MSD. I’m new to tuning and not very good at it at the moment so I would really appreciate if someone could help me! A map or anything in general would ever so sightly help me!
    dasa fci msd tune yfz450r
  2. YFZ450 & YFZ450R General Talk
    Hello i am new to the forum and could use a little help tuning my tps in. My tps was running at 5.5 initially but when i set it at .680-.7 my tps is pretty close to maxxed out one way on the slotted holes as before it was slightly off center. Something doesnt seem right and my check engine light...
    dasa fci tps adjustment vortex yfz450r
  3. YFZ450 & YFZ450R General Talk
    Probably a dumb question but what is the hose for on the FCI intake tube that comes with it?
    big 3 fci intake
  4. YFZ450 & YFZ450R General Talk
    So I have researched a bunch on which map and settings to use on my vortex but I see a lot of mixed answers. Fci intake no box, and rossier full exhaust. Only ride the dunes so always around sea level. What is a good map and starting point?
    big 3 fci vortex
  5. YFZ450 & YFZ450R General Talk
    Any recommendations on who has the best package deal on a Big 3 kit for 2018 yfz450r. Looks like I see a lot of guys going with KBmotorsports. They the best deal around, anyone compete with them? Thanks!
    450r big 3 exhaust fci vortex
  6. YFZ450 & YFZ450R General Talk
    So I just purchased a Vortex x10 and a monster shorty exhaust, gonna order my FCI intake tomorrow and the 38 Motorsports AIS block off plates and the oil box breather from them also. I’m wondering if I need anything else for it to unleash the power. And was wondering what settings I should set...
    38motorsports fci monster vortex
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