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  1. YFZ450 & YFZ450R General Talk
    My 2022 yfz450r is an amazing quad but it has this bad bog when I try to launch it. I’ve read some things on here about it but they were all for carbureted ones as to where mine is fuel injected. If there’s a simple fix please let me know I’m tired of trying to launch it and it bogging!
  2. Maintenance
    Any ideas what could be the problem. I have a 2005 yfz450 with lid and stock exhaust Main jet 158 Pilot jet 42 Needle on fourth clip When i start the quad it will start up no problem but it will not idle with choke pushed in, im guessing its too lean, but then i changed jets and it was to rich...
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