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  1. YFZR-X Powertrain
    hello i have a 2022 yfz450r that has ais delete, full dasa 99db exhuast, fci intake, msd blaster efi and just ordered 38 motosports breather box im trying to get my yfz to stop back firing on decel and when i press the gas really fast on idle it bog anyone have similiar mods with a good map for...
  2. YFZ Powertrain
    Hi first post here. 2019 YFZ450R Stage 2 hot cams HMF full exhaust Power Commander V I'm going to do a 478 Cylinder works big bore, due for a new piston so I figured what the hell. I've been looking for maps for the PC-V to accommodate the changes, I haven't had any luck finding any...
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