• Oct 28, 2025 2012 kymco mxu 450i and maxxer 450i atv service m gnostics Excessive Vibration or Noise Possible causes: Engine mounting issues Worn or loose drive belt Suspension or wheel imbalance Solutions: Tighten or replace engine mounts Inspect and replace drive belt if worn Balance wheels and inspect suspension components Technical Specifications and Adj By Zora Hilpert
