have any of you every used this???? yamaha has a quart bottle that is called ring free... it is goood stuff.. if you use it every so often it cleans all the carborn off the valves and it cleans any tarnish out of your carb.. you just add it to your fuel.... yamaha highly recomends it. as normal up keep on all there perfromance stuff..
and they have another product that is really good that i use all the time at work. it is called combustion chamber cleaner... it is basically the same stuff as the ring free but comes in a spray can.. i use it to clean carbs... it works better then any carb cleaner ive seen.. plus both products wont hurt any rubber o-rings or seals..
but when useing the ring free go by the directions.. they have for normal use and for a shock treatment... when useing a high amount you have to change your oil to get out any carbon that wash off the parts after you have run it for recomended amount of time..
i know it is from yamaha... but they finaly got something right.. lol