Honda Mini Trail Automatic Clutch Adjustment

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This is a quick video on the procedure for Honda Mini Trail clutch adjustments. Many of the older Honda small bikes were automatic clutches, meaning that you gear shifter is what engaged the clutch instead of a hand lever on the handlebars. This will cover Honda QA50, Z50, CRF50, XR50,C70, CT70, CL70, CRF70, XR70, ATC70, CT90, CL90, CT110

THE PROCEDURE:
WITH IT RUNNING - With the bike idling, put it in first gear, you of course need to have the brake on. Turn the screw counterclockwise slowly, once you start feeling the bike try to grab and start pulling. This is a very slight pull. Turn the screw back in 1/16 to an 1/8 turn. Hold the screw in place while you lock down the lock nut.

WITH THE ENGINE OFF - Turn the screw counterclockwise slowly. You should be feeling the screw turn easy with no restriction. As soon as you feel the screw have some resistance, stop turning. Now turn the screw in 1/8 of a turn. Keep screw in place while tightening the locknut.

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The Honda CT70 in this video was revived from sitting, stored away for over 12 years. It needs a complete overhaul and the clutch disc are near their end of life. However, the procedure that is shown in this video is exactly how you adjust these type clutches on the Honda Mini Trails.

I think some of the other manufacturers such as Yamaha and Kawasaki also use a similar type clutch. If you have run across this with other brand bikes, please leave a comment and I will add this to the description to help other folks out with this as well.

You will see that there are two methods I use to adjust the automatic clutch. One is with it running and the other is with it off. Either method works fine for getting you to a base start. I recommend after making this initial adjustment, to ride it and ensure it is shifting the way you want it. You can tweak your adjustment by turning the screw very little in between test rides. If you feel the clutch is not engaging fully and makes shifts hard, you can turn the screw between 1/32 to 1/16 counterclockwise. If you feel the clutch is slipping, turn it the same but clockwise.

Check out my other related video:
How To Replace Brakes On A Honda 70:
   • How To Replace Brakes On A Honda 70  

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