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Join Date: Jun 2006
Location: Corpus Christi, Texas
Marbleing is where you put a marble in the lines leading to the reed valves on the top of the cylinders. This part of the bike is to take unburned exhaust gas generated when we decelerate and feed it into the exhaust system where it is burned there. This can lead to the infamous popping sounds our bikes make when decelerating. Marbleing is an easy way to bypass the system and is easily reversable as all you have to do is remove the marbles. This is not a joke!!
Coastering is where you permanantly block off the reed valve system and remove the hoses and the like to more effectively bypass the emissions system. Depending upon where you live and how rabid the gov't is about modifying emissions systems, this may not be the best option as it is not as easily reversed as marbleing when emissions inspection time comes around.
Hope this helps.
93 VN 750 "Ursula"
Moved R/R 08Sep06
R/R rewire 17Feb07
New R/R, Installed 14Jun08
New Stator installed 10 Jun08
Maintenance Free Battery 12Jan08