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Lower Unit Shims for Chrysler Force Outboards

Shop lower unit shims for Chrysler Force outboards. Shims are used during gearcase assembly to set precise gear lash, bearing preload, and shaft alignment inside the lower unit.

Why Shims Are Critical

  • Set proper gear mesh between forward, reverse, and pinion gears
  • Establish correct bearing preload inside the gearcase
  • Maintain driveshaft and propshaft alignment
  • Prevent premature gear and bearing wear

Common Signs of Incorrect Shimming

  • Whining or howling noise while in gear
  • Grinding during shifting
  • Excessive gear wear after rebuild
  • Failure of pressure or vacuum test following service

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