My bike was experiencing vacuum lock, but it didnt matter how much throttle i gave it, when it locked it was dead, i found the egr was installed laying on its side as they dont mpunt it correctly and the check valve was closing not letting and pressure by, i removed all emission items and still have a junk carb that came with the bike. Waiting for my replacement......
Quote:
Originally Posted by jacaquarie
As I read your symptoms of starting to bog down at open throttle for any length of time am inclined to think fuel supply. Almost as if the tank is not venting and holding the vacuum or negative pressure on the fuel. Try a ride with fuel cap off or loose. If that works look for clog in fuel cap air vent.
Good luck.
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