welcome to the forum. get yourself a suzuki service manual, it will help you.
was the airbox under water? if water went into the carb/engine, you might need to take some things apart to clean water out and change your oil.
check the cam timing, make sure the chain didnt skip teeth while you were changing the tensioner.
drain the fuel out of the carb bowl, make sure its fuel and not water.
if its popping you probably have spark, but you can still be sure its constant and not intermittent spark.
are there any mods to the quad?
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