Question about 1972 Honda CB 250
The tip of the neadle valve is no good, also where the carbs slide into rubbers on the head while running spray starting fluid only around the rubber if the engine reves you are sucking air. they will nead changed.check float bowl. see if the are full. if not clean fuel shutoff. remove from tank. there are 2 brass filters on the end of the shutoff. see if flowing free and clean.also pull the top off carbs look at vacume cup. it is rubber with a spring. where the slider is. look to see if rubber is cracket. check play on the slider to the bore. must be snug. but slide up and down with no drage.
Posted on Jun 05, 2009
Try the air filters. And if the carbs have boots make sure they don't have holes and are in good shape.
Posted on Apr 20, 2009
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Posted on Jan 02, 2017
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