YFZ Central banner

Discussions Showcase Albums Media Media Comments Tags Marketplace

1-2 of 4 Results
  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. Maintenance
    Bought a brand new MSD Blaster Fi #4247 for 2013 Yfz450r. Installed and started up quad immediately got an engine code 39. Code 39.-Injector (open circuit) Symptom-Injector: open or short circuit Probable Cause Open/short circuit in wire harness defective injector malfunction in injector...
1-2 of 4 Results