2002 Harley Davidson XL 1200 S Sportster Sport Logo
Posted on Aug 07, 2011

No fire on rear cylinder 883 sportster... 2003 year. plug and wire good.

5 Related Answers

Anonymous

  • 83 Answers
  • Posted on Dec 08, 2008

SOURCE: Rear cylinder not firing

The first thing I would do is replace the spark plugs again. You can foul a plug and it will cause you more problems than you can ever imagine. I see you have done all the logical things that I would recommend but I did not see you have replaced the plugs after the 200 miles. You would be surprised at how many times a $2.00 part can cause fits beyond belief.

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Roscoe007

  • 101 Answers
  • Posted on Jan 24, 2009

SOURCE: 04 sportster 883 will turn over and back fire but will not start

Sounds like it jumped time.. Check your timing ..

flh1

Brad Hurt

  • 36 Answers
  • Posted on Jan 24, 2009

SOURCE: Won't start?

With just this info.Not knowing if the engine is stock or has bigger cams or high comp pistons.I would say check the starter solenoid by running jumper wire from one side to the other.then check ALL connections for corrosion and tightness

Anonymous

  • 2 Answers
  • Posted on Mar 26, 2009

SOURCE: HD 1200 Sportster 1997 model misfiring on rear cylinder

hi paul here,
the coil on my bike turned out to be the problem after checking wires, connections and plugs. brought a used single fire. tried it out after being told that coils usaully go all bad not just half. have not had the problem since and i was conteplating buying ignition and coil combo for hundreds. good luck

Anonymous

  • 65 Answers
  • Posted on May 07, 2009

SOURCE: what type/brand carburetor does a 2003 sportster

if it is carborated it has a kehin carb. made for harley

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My 2003 H-d SPORTSTER 883 BACK-FIRES THEN STALLS OUT i WAIT FOR AWHILE IT STARTS THEN DOES THE SAME THING IN 2-3 MINUTES WHAT'S WRONG ?

replace spark plugs and chech for strong blue spark , it useally is control module or pick up coil. you will need an ohm meter and some specs usually found in a shop manual. manuals are still under $40.00
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Only one cylinder fires on my 1988 sporter could the plugs be foul

The plug and ignition wire would be the first thing to check. See if you're getting a spark to the missfiring cylinder. If you have a dual fire ignition, and have no spark, the problem will definitely be in the plug or wire.
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The spark plug is only firing on the rear cylinder, I have replaced both plugs, both plug wires, and coil. all parts came from HD dealership and all parts are OEM replacement parts and still only fires on...

Swap the spark plug wires and see it the moves from the front cylinder to the rear cylinder. Your Sportster should have what is known as a "dual fire" ignition system. This means that both spark plugs fire every time the piston comes to top dead center whether the cylinder is on the compression stroke or the exhaust stroke. This causes what is known as a "wasted spark", the spark plug fires on the exhaust stroke. I don't have any experience with bikes made after year model 2000. Most of these bikes are equipped with electronic engine controls that I don't care to learn about. I work on bikes made in 1999 or earlier. I feel pretty confident that Harley still uses the "dual fire" ignition but I'm not sure if they have any other sensors on the bike that would cause the problem you have. Try what I suggested and it may give you a clue as to the problem. Other than that, I have no other suggestions. Sorry I couldn't do more.

Good luck
Steve
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Front plug not firing. Have swapped plug & wire, coil. Battery at 12.4 vdc. What might be the problem?

If you've swapped the wire and the plug and it still won't fire, check the compression. You need a minimum of about 75 psi for the cylinder to fire. It should be up about 100-120 psi. If you have the compression and fire, then the only thing left is fuel. You've probably got a vacuum leak at the intake to head junction. Replace the intake gaskets and the carb seal where the carb plugges into the intake.

Good Luck
Steve
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How easy is it to rebuild the front brake master cylinder on a 2003 883 Hugger?

Rebuilding the master cylinder is relatively easy. Simply purchase a rebuild kit, take the master cylinder off the bike, Take the lever off and then most of the internal parts will simply come right out. With the internals out, you'll probably need to lightly hone the bore with a flex hone of the proper size. Lubricate the parts and install them just as they came out and reassemble the master cylinder. Then bleed the cylinder, hook up the brake hose on the bike and bleed the brakes at the caliper.

Go here to see an exploded view of your front master cylinder.
http://www.bikebandit.com/2003-harley-davidson-sportster-883-standard-xlh883/o/m18404#sch609894

Good Luck
Steve
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2000 XL 1200 S Sportster Sport: 2003 Harley 883 Sportster Hugger sat for a year. D...

Remove the carb soak in carb cleaner, **** out small bleed holes with a wire from a wire brush etc. One of the passageways is still clogged, or the float is sticking.
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I have a 03 883 sportster cranks over but doesn't fire

Are you getting spark? I know this seems obvious but check the kill switch if this particular model has one.
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