Question about Harley Davidson XLH 1000 Sportster Motorcycles

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1980 harley davidson sportster 1000cc ironhead

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  • wd4ity
    wd4ity Sep 16, 2010

    What do you need to know about your Ironhead? I'll be glad to help if you'll post a question.

    Thanks
    Steve

  • dawn brewer Jun 29, 2013

    i can not get compresion on front cylinder seems like valves are opening at same time

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  • Harley Davidson Master
  • 40,013 Answers

Hi Jnoble2002, please tell me exactly what is your question is and can you be specific and include details like WHERE, WHEN , WHY, HOW? Thank you and have nice day.

Posted on May 23, 2015

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Posted on Jan 02, 2017

wd4ity
  • 4565 Answers

SOURCE: Adjusting timing on Harley Davidson 1976 sportster

The advance timing should be 35° before Top Dead Center. This is how you find out which mark this is.

Get the rear wheel of the bike off the ground, remove the spark plugs, shift the bike into fourth gear, and remove the timing plug from the left engine case.
Now, take an ordinary PLASTIC DRINKING STRAW and insert it into the front spark plug hole. Do not use anything else or you stand a chance of it breaking and then you'll have to pull the head to get it out. The plastic straw will bend but not break.
Bump the rear wheel in the direction that it turns while riding down the road until the piston pushes the straw all the way up and just barely starts going back down. Look into the timing hole. You should see a timing mark. This is the Top Dead Center mark. Now, bump the rear wheel BACKWARDS until you see another mark. This should be the ADVANCED TIMING MARK. The piston should 7/16" down from top dead center.

On this model Sportster the timing is advanced by a mechanical advance mechanism. These units are notorious for wearing out and not contolling the timing very well. You must remove the breaker plate to inspect this mechanism. Mark the position of the plate before you remove it. If the pins and holes in the flyweights are worn, replace the unit. Replace it with a good needle bearing unit. Replace the points and reset the gap at 0.018 - 0.020".

Posted on Sep 24, 2009

wd4ity
  • 4565 Answers

SOURCE: 79 harley ironhead 1000cc xlh no spark from coil

It sounds like your sensor in the timer cavity on the right side of the engine is bad. Disconnect the blue wire from the coil. Take a spark plug out of the engine, put it back in the spark plug wire, and lay it on the head. Turn the switch on and momentarily touch the blue wire to the coil. When you take the wire off of the coil, you should see a spark at the plug. The purpose of the sensor in the timer cavity is to stop the flow of current in the coil and initiate a spark.

Good Luck
STeve

Posted on Sep 21, 2010

  • 218 Answers

SOURCE: 2003 Harley Davidson Sportster 1200 Custom Tachometer kit

The only idea that i can come up with is that you dont have a good ground..or the guage was bad when you bought it..i hope this..Keith

Posted on Jul 02, 2009

OneRide
  • 379 Answers

SOURCE: how much work is it to take off the cover on a

Not too much, if you are a fair mechanic. You probably should get a service manual tho. Basically, you remove the foot pegs and anything in the way, remove shifter, clutch cable. Drain the trans oil, then pull the cover. A couple parts may fall out, that's why I suggested a service manual.

Posted on Jul 08, 2009

wd4ity
  • 4565 Answers

SOURCE: need turn signal wiring diagram for 1982 harley

Contact me directly and I'll try to scan you a copy of a wiring diagram for your 82 Ironhead. wd4ity@bellsouth.net The diagram I have is quite large and I'll have to send it to you in two .JPG format files. If that would be sufficient, let me know.

Posted on Dec 13, 2009

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1 Answer

Is it worth rebuilding the top end of a 1980 Sportster?


Hi, Randy that all depends on its overall condition, whether or not you or a shop/dealer are going to do the work and how much "DRACHMA" you have in your wallet, in excellent condition the bike can sell for $8,000 depending on your zip code for more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below and for more specific information or questions at no charge please feel free to contact me at xlch@mail.com. Good luck and have a wonderful day.
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Need to know oil line routing for a 1984 ironhead sportster 1000cc


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Engine diagram ironhead


Hi Anonymous, for more information on your question please visit the websites below and good luck:
http://www.stcharlesharleydavidson.com/OEMpartfinder.htm#https://www.google.com/search?q=1989+harley+davidson+sportster+clutch+diagram&espv=2&biw=1366&bih=643&tbm=isch&tbo=u&source=univ&sa=X&ei=yT5gVez7AsnPsAXkjYDYDg&ved=0CB0QsAQ#tbm=isch&q=1979+harley+davidson+sportster+engine+diagram

Aug 15, 2013 | 1979 Harley Davidson XLH 1000 Sportster

1 Answer

I have a 1983 harley sporster ironhead that pops out of 2nd gear when down shifting. What needs to be replaced??


Hi Sam, and the usual suspects are:
1. Shifter rod improperly adjusted.
2. Shifter drum improperly spaced or damaged.
3. Shifter engaging parts badly worn and rounded.
4. Shifter forks bent.
5. Damaged gears.
Good luck and have nice day.

Apr 05, 2013 | Harley Davidson Motorcycles

1 Answer

1973 ironhead not sparking


Hi Tom_marvo893, some of the following does not apply to early sportsters such as any sensor, if you have a CKP sensor it needs compression to send correct signal to the ICM/ECM, make sure both spark plugs are in heads and use a grounded third plug to check for spark or hold spark plug cable close to spark plug in head. If still not getting spark the usual suspects are:
1. Fouled spark plugs.
2. Battery voltage below 9 volts, loose or broken battery cables especially "GROUND" cable to frame.
3. Loose connection at ignition coil or plug between ignition sensor and module.
4. Spark plug cables in bad condition, shorting / leaking, spark plug cable connections loose.
5. Faulty ignition coil or ignition / electronic module
6. Failed CKP, CMP, MAP or BAS sensor.
7. Faulty ignition switch.
8. Security alarm failing to disarm.
For a prime suspect please visit the website below. Good luck and have nice day.Harley Davidson Wiring Diagrams and Schematics

Jul 19, 2012 | Harley Davidson Motorcycles

1 Answer

Specs firing order for 1000cc ironhead harley davidson rods


Hi Anonymous, timing specifications are for the front cylinder. Good luck and have nice day.

May 01, 2012 | Harley Davidson Motorcycles

2 Answers

Hello, I need a wiring diagram for a big twin evo 86' . It is the first evo engine that was maked.I need it for my sportster . grtz, Andy Belgium


This page has a ton of wiring diagrams: http://www.smokeriders.com/diagrams/index.php?list=Harley_Davidson/Twins. The sportster did not come with a Big Twin 86" motor it came with the Sportster Ironhead & Evo motors. The sizes where; Ironhead 900cc, 1000cc & Evo 883cc & 1200cc. Still I would try the link I gave you it should help.

Feb 27, 2011 | Harley Davidson XL 883 Sportster...

1 Answer

I need to rewire my 1980 ironhead sportster


Contact me off forum and I'll send you a schematic. This forum will only allow a file of 150kb, much too small for a schematic that you'll be able to read. Contact me at wd4ity@bellsouth.net. Remind me of what you need.

Steve

Oct 12, 2010 | Harley Davidson XLH 1000 Sportster...

1 Answer

Can anyone help me find a wiring diagram for a 73 harley sportster xlh 1000cc


Most Ironhead sprotsters were pretty close as to the wiring. If you'll contact me directly, I'll scan a diagram for a '79 in and send it to you. Contact me directly at wd4ity at bellsouth.net. Good Luck, Steve

Apr 30, 2010 | Harley Davidson XLH 1000 Sportster...

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