heavy fumes and smoke exiting
heavy fumes and smoke exiting the ventilation tube going into the spark arrester/carb. heaver than usual. will this cause backfiring when on plane?
"engine starts fine, new spark
"engine starts fine, new sparkplugs and wires, points and condenser, boat stars out fine but when on plane boat starts to back fire from carburetor. engine shuts off but starts right back up."