<a href="http://www.myfreebulletinboard.com/f/in" target="_blank">http://www.myfreebulletinboard.com/f/in ... topic=1178</a>HOW TO DISSABLE THE REVERSE BUTTON-BRAKE ON S MODEL HONDA ATV
Allows you to shift into reverse without pushing red reverse button and pulling left brake lever.
If you find the adjusting sleeve located on cable 3 in this exploded diagram: It will be the one with a nut that locks the adjusting sleeve in place.
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Loosen the locking nut (I believe it took a 9mm open ended wrench).
Turn the adjusting sleeve out, so you are seeing more of the thread.
Keep adjusting it out while tapping down on the shifter (going into reverse). You should feel the shifter getting tighter.
Once you reach the point it bypasses the reverse lock the shifter will go into reverse without touching the reverse button and/or brake lever.
Tighten the lock bolt back up.
Once this is done you DO NOT have to touch the reverse button or touch the brake lever. You just keep tapping down on the shifter and it will go from neutral to reverse.
FYI I did this on my 01 450s as well as an 05 500 foreman S.