SOURCE: 2003 dyna lowrider,sputters spits and coughs.clears up when you p
Check HT leads, connection and the spark at the plug to see if it nice and bright.
Is the battery charged fully or is it old? They don't last very long on Harleys.
See if the regulator is any good ( dealer or friend swap if possible to check).
SOURCE: have a yz 125 2001 help coughs and sputters
Sounds like your carb is partially stopped up causing it to starve for fuel. I would suggest adding a good carb cleaner to the tank but sounds like it needs to be pulled and cleaned.
Ride Safely, Ed
SOURCE: engine runs intermidently when under
CHANGE SPARK PLUGS. IF YOU ALREADY DID THIS, DO IT AGAIN AND USE RECOMMENDED BRAND. THEN TEST COILS.
SOURCE: 94 dyna superglide sputters and coughs off idle
O.K. HERE GOES CLOGGED OR DAMAGED AIR FILTER CLOGGED OR LOOSE PILOT JET(CARB) DAMAGED CHOKE INCORRECT THROTTLE ADJUSTMENT '' CARB '' BAD GAS DAMAGED BATTERY,SPARK PLUG,IG COIL,IGNITER UNIT,PICK UP COIL INCORRECT VALVE CLEARANCE,ENGINE OIL VISCOSITY TO HIGH,LOW ENGINE COMPRESSION....I know its a bit of a list but I hope it helps.good luck.Start with spark plug,air filter,if all good,go to the carb next.
SOURCE: 2005 ktm 65 hesitates at mid rev under a load only
if the spark and compression are rite-then the fuel is at issue-jets need attention or float level ajust
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