Question about 2006 Harley Davidson FXDCI Dyna Super Glide Custom

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Loss of power

Spedometer quit. engin light came on, back fire, loss of power, system shutdown, dead battery

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First thing I would check is your regulator, a small rectangular box, that regulates electrics.

Posted on Dec 21, 2008

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2001 1200 sportster cranks and backfires, carb and fuel good, could it be crank sensor?

Wasted spark system. If fuel and electrical is all good/correct it is often the case in these symptoms that motor cycle spark plugs that although looking good and firing outside of the engine are breaking down and will not fire under compression pressures on a power stroke but will fire unburned fuel on the unpressurized exhaust stroke when the plug again fires in a wasted spark ignition system and when so firing the result is a backfire, usually quite loud.

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2001 Dyna engine quits while riding and fires right back up after cycling the ignition key.

That would be my initial guess also. If you find something out for sure please post it as a comment.

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Bike has no power won't turn over and battery gone dead

change its sparking plug and starting coil

Jun 09, 2013 | Motorcycles

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Spitting sputering back fire power loss running hot

Hi Anonymous, popping, coughing, spitting, or backfiring through the carburator or induction module is usually caused by air getting sucked in combustion chamber do bad intake seals leaking. Leaking exhaust gaskets can also be suspect. Remove air cleaner and backing plate, while engine is idling spray WD-40 or Brake Kleen around intake manifold to head area, if RPM's increase you have an intake leak and seals need to be replaced, also spark plugs will be burning whiter than normal. Also the usual suspects are:
1. Severely discharged or damaged battery.
2. Loose, corroded or broken battery cable.
3. Alternator not charging or below normal rates.
4. Failed ignition coil, ignition/electronic module.
5. Failed CKP, CPS, CMP, MAP, TPS, or BAS sensor.
6. Faulty ignition switch.
7. Water or dirt in fuel system, carburetor or filter.
8. Fuel tank vent system plugged or gas cap not venting.
9. Fuel tank empty.
10. Fuel valve vacuum line broken or carburator vent line closed off.
11. Restricted, blocked or kinked fuel line.
12. Failed fuel pump, pressure regulator and or fuel injectors.
For a prime suspect please visit website below and good luck:

Feb 27, 2013 | 2001 Harley Davidson FXD Dyna Super Glide

1 Answer

Bike lost all power while riding. Lights, guages, and everything else. Stayed operational for a little while, then started backfiring very bad, and finally left me on the side of the road. The battery...

it is most lightly the stator or voltage regulator in your charging system not charging your battery while running, thus runs the battery dead. If your battery is completely drained, which usually is the sign when you have no lights and backfires and the battery has no juice left to support the spark plugs, and finally gives up, and thus won't take a jump. This is a common problem. Battery needs to go on a charger and fully charged before you can conduct any electrical output test from the stator or voltage regulator. Just happened to me again this week. Hope this helps.

Aug 17, 2010 | Harley Davidson XL 1200 C Sportster Custom...

1 Answer

2004 Polaris Sportsman 400 Only idles, quits Electrical Problem?

Sounds like the battery may have a bad cell. The reason it quits dying is that there isn't enough juice in the battery to fire the plugs. On older pull start vehicles the stator put out the power to run the coils. On atv's with batteries, the power output is sent to the battery, and then to everything else. If the battery is bad or just dead, it eats up the current and leaves nothing to run the motor. The dash lights go out because it completely drains all current until even those lights go out. Once the motor quits runnung, there is enough current to get those lights back on again. Hope this helps...

Oct 08, 2009 | 1970 kawasaki Mach III H 1A

1 Answer


Have the engine timing set and tune up.
The Valves must be adjusted every 3,000 miles.

Cheap gas will cause spark knock and after market pipes will cause back-firing. Have the carbs sync'd to the pipes.
The AIS system is often the cause of back-firing after installation of after market pipes. Typically the back-firing is minimal and rarely causes loss of power. Usually when letting of the throttle you will hear popping sputtering.

If this back-firing is while throttling up, get that timing set pronto!
Other causes can be from miss firing plugs to fuel additives over time gumming up the carbs and jets.

Possible Solution I found here:

"Suggest pulling the carbs off and cleaning them in Yamaha carb cleaner/dip.
With the fuel currently being sold, if it sits for 30 days in the float bowls, it evaporates and the additives form a gummy like substance that coats everything it was in contact with.
It sounds like you have some partial restrictions in the low speed circuits.
When you are taking your carbs apart, I would pay close attention to the pilot jets, internal passageways in the carb including the passageway for the fuel screw."

Good luck!

Jul 08, 2009 | 2001 Yamaha V Star Classic

1 Answer

Engine turns over but will not fire up

dead battery or relay stuck.. i am having the same issue with my 2003 triumph speed triple.. turns over well but no spark no fuel in injectors.. ecu isnt telling it to start. dead battery? or relay?

Mar 01, 2009 | 2006 Triumph Daytona 955i

1 Answer

Kawasaki zzr400 (1994 model),streetfighter wont start

check starter solenoid.see if getting power to starter side when pressing button .if yes check if power to starter w/ test light when pressing button.if power there check starter,also motor, will it turn manually or is it seized.if no power to starter side of solenoid, jump across solenoid posts w/ a large screwdriver -motor will probaly turn over,w/ key on.if small wire to solenoid has power when pressing start,solenoid bad,if no power, wiring or start button bad.

Jan 22, 2009 | 1997 kawasaki ZZR 400

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