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running lean

  1. Help - Running lean & backfiring

    Engine/EFI/Drivetrain
    Hi Guys, Recently bought an 09 LTR. It has a CRBM, Twin Air filter with exhaust baffle removed. The bike runs too lean (white spark plug) and can reach +90c if I stop and idle for a minute or two. It seems to run well with the exception of backfiring on deceleration at high revs and can take a...

  2. LTR running problems.

    Engine/EFI/Drivetrain
    I have an 06 ltr, 13.5:1 compression, running race gas mix,HC intake cam, stock EX cam, PC5 w/ auto tune, dasa full exhaust, uni filter with no lid and air box cut. And it runs good,:beerglass: but starts a little hard but it will rev hard and run good till about 1/2 throttle then seems to...

  3. Running Lean- How to tell

    Engine/EFI/Drivetrain
    Hey everyone, What are some signs that I'm running too lean? I installed my PIM 2 and took it up the street a few times and everything seemed to run fine. The exaust smelled a bit different but that's it. I'm just wanting to ride a bit before I take it to the dyno, but don't want to damage...
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