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raul10141964 · 06-21-2013, 07:06 PM

the GZ come from factory tune to pas emissions, and the only way to do that with thees carburetor is set it to run lean.
a lean running engine will run hater that normal putting a lot of stress on the exhaust valves

06-21-2013, 07:06 PM	#2
raul10141964 Senior Member Join Date: Apr 2012 Location: Elkhart, Indiana Posts: 369	Re: Dropping valves the GZ come from factory tune to pas emissions, and the only way to do that with thees carburetor is set it to run lean. a lean running engine will run hater that normal putting a lot of stress on the exhaust valves
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