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Bikes been running well, left it for a month with the battery on charge, upon starting the engine is running hot and lean (popping and plugs white)
Plenty of fuel getting through and no apparent air leaks, I will strip carbs down and check blow through and clean.
Bike is fitted with electronic ignition
Any thoughts please?
Partially blocked fuel…
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Drill out the pilot jets…
Drill out the pilot jets with #78 or 16 thou drill, the jet is so small carb cleaner and air will not dislodge the crud, also check the pilot fuel passage and the 2 small holes on the engine side of the spray tube on the floor of the carb venturi are open.
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Air leak? Check the balance…
Air leak? Check the balance pipe is okay, then the inlet joints.
Dave
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Partially blocked fuel supply , jets or pilot passages would be my first call.