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dasa

  1. 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...
  2. YFZ450 & YFZ450R General Talk
    Any input on why the dasa exhaust is not as good on the EFI yfz? And why the yoshi and barkers is the most recommended? Thanks!
  3. YFZ450 & YFZ450R General Talk
    So I just picked up my quad yesterday. And I let it warm up and my pipe was glowing red. I know it’s running super lean. But I found a vortex x10 for a 09 to 19 but I’m wondering if it will work on my 2020. And getting a dasa exhaust would help let the yfz450r run richer.
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