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Old 07-16-2011, 05:55 PM   #1
geezer
Senior Member
 
Join Date: Mar 2011
Location: dahlonega GA
Posts: 563
the geezers plug chop!!

first off i would like to explain to you what a plug chop is. plug chopping is another way to tune a carburator to deliver to the engine the proper amount of air and fuel. when an engine is running rich, as in to much fuel inside the motor, your spark plug will look black when you pull it out because its actually unburned fuel or soot actually. this is a waste of fuel and can hurt spark plug life because eventually you will foul it out and the spark will not ignite the mixture properly. now a white plug is an indication that you running the thing to lean. running an engine to lean, or in other words not using enough fuel, can have some very serious side effects. without enough fuel the engine will actually run hotter than usual because fuel not only gives the engine its power but it also acts as a coolant inside the cylinder. so in essence its kinda like running your car low on coolant. if you run lean enough major engine damage will result.

in order to get this air fuel mixture spot on where it needs to be you need to use the plug chop method or an exhaust analyzer. well i dont have one of those lol :lol: so in order for me to tune the bike ill plug chop.
you can do this on your bike stock or modified. but im doing it because i have added a high flow airfilter and muffler. so what do you think i just did to my air/fuel ratio? i leaned it out because now the engine canget more air in so i need to add more fuel now too.
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99 gz 250 and a currently dismantled fzr 1000



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