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  1. Grom doesn’t pull in 4th gear after Koso camshaft install

    Grom Performance
    Hello, Im new here and I apologize if this has been asked and answered already but I recently installed a Koso cam on my grom and 4th gear kinda sputters and doesn’t pull. Also all gears are slower in lower rpms until I hit over 6-7k. I know my timing isn’t off I checked and rechecked over and...
  2. DCR Camshaft Swap

    Grom How-To's and Guides
    Just recently installed the DCR camshaft on my grom and came up with a possible timing issue. Everything on the install went smoothly and was definitely a lot easier than I imagined it would be. However, when turning the engine over by hand and making sure it is all TDC, the camshaft sprocket...
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