Forum Discussion
NinerBikes
Apr 05, 2016Explorer
If it's backfiring, you are not getting clean laminar flow and mixing of the air and propane from the orfice, the air bleed mixing ports and then flowing out the openings where it is supposed to burn. Something is causing raw propane to flow backwards to the point of ignition near the igniter, creating the popping sounds when it all burns off, inside the tube.
I wonder if you got a bum part for the new one? Or an alignment issue?
Maybe a burr on the inside, can you run a flex ball hone inside to knock off any burrs near the gas vents where the gas starts burning? Poor or worn press dies not cleanly cutting the vents and leaving burrs?
I wonder if you got a bum part for the new one? Or an alignment issue?
Maybe a burr on the inside, can you run a flex ball hone inside to knock off any burrs near the gas vents where the gas starts burning? Poor or worn press dies not cleanly cutting the vents and leaving burrs?
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