How to Rebuild the Centrifugal Auto Clutch | Honda CT90 / Trail 90

See our In-depth repair article right here: @s/articles/14381428333967-How-to-Rebuild-the-Centrifugal-Auto-Clutch-Honda-CT90-Trail-90

This video covers how to rebuild the semi-automatic centrifugal clutch on a Honda CT90 / Trail 90 when worn friction discs cause slipping under load. You’ll learn how the auto clutch works, what symptoms tell you it’s time for a rebuild, and which tools and parts you’ll need to do the job correctly. Brendan walks through draining the oil, removing the right side cover, pulling the clutch basket, disassembling and cleaning the centrifugal unit, and reassembling the four unique steels, three friction discs, and all the springs in the correct order. The video wraps up with reinstalling the clutch, adjusting the auto clutch mechanism, refilling with proper mineral oil and zinc additive, and basic troubleshooting if the clutch still slips or engages harshly.

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Need help with your vintage Honda? Attend the CMC Repair Academy and watch the full playlist of repair videos for your motorcycle:

   • CT90 / Trail 90  
   • CB175/CL175/SL175/CB200/CL200  
   • CB350/CL350/SL350  
   • CB360/CL360  
   • CB450/CL450/CB500t  
   • CB500K / CB550K / CB550F  
   • CB750K / CB750F  
   • CB350F / CB400F  
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Contents of this video:
00:00 - Introduction