try adjusting the floats first and look at your acelerator pump for fuel leaks. it was my original issue, i only rebuilt because of a stuck shut secondary flap on the carb and a leaky glass seal. lso if you rebuild that nikki stormberg be careful of the rats nest, that thing breaks easy and you need to remove it to get to the carb bolts. or you can take it via removing the intake manifold. That will also open up some stuff you may consider maintinencing. two o rings that the antifreeze runs through they tend to deteriorate and the other gasket gets pretty bad. when i fixed mine i found no orings and i was sucking coolant into the engine, which explained destroying spark plugs. just some advice from a fairly new owner of an 83 rx-7 12a, i'm assuming you have the same motor judgig the pics. have fun.
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