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  1. YFZR-X Powertrain
    Anyone with a newer model tried the 09-13 ECU swap with fuel controller to fix bog or decel pop? And did it throw any weird codes?
  2. YFZ Powertrain
    Have a 2017 YFZ450R, just got the Vortex ECU, and hoping for some direction on map/fuel settings... I live outside of Denver, and am at 5,300ft Elevation. Mods: 1. AIS Delete 2. 38 Motorsports Breather Box 2. Yoshi RS-2 Full Exhaust -Standard intake (airbox lid-on) -No Engine modifications...
  3. YFZ450 & YFZ450R General Talk
    Hey guys so I have a 2009 YFZ 450R, And recently I believe I determined that my ECU is bad. I was riding on a trail one day turned it off to let it cool down and did not restart. I can turn the key on and off and try to start and it start up and rev high and then shortly go back to a very low...
  4. 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.
  5. Parts
    Almost brand new! Purchased this item around 4 months ago for $700 and no longer have the ATV. This product will transform your quad! Seriously it makes it run crazy hard! No more bog, no more flame outs, instantaneous throttle response, and mod ready. Fully adjustable with a screw driver. 10...
1-5 of 5 Results