Question about 2002 Honda VT 750 CD Shadow A.C.E. Deluxe
Just bought a 2003 shadow and it makes a popping noise on deceleration. Do the carbs need adjusting or is this normal?
Two things can cause popping or backfiring on deceleration. The most common is air leaking into the exhaust through the exhaust pipe copper o-ring gaskets. This typically happens when the exhaust is replaced without removing the old ones (doubled up) or simply reusing the old gaskets and they don't seal. The other thing that can cause popping is bad air cut diaphragms on the carburetors. If they are old and sticky or have holes in them they don't properly shut off the gas on deceleration causing the backfire.
Posted on May 06, 2010
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Posted on Jan 02, 2017
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