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76 Harley Davidson. shovel head , crane cams hi-4 single fire race ignition 8-2100 . got no fire leaving coil .I changed coil and no difference . (led light) on ignition is on .should it be flashing when turning over?

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  • Harley Davidson Master
  • 45,421 Answers

Hi Bill, for more information about your question please visit the website below. Good luck and have nice day.
http://www.nightrider.com/biketech/download/crane/install_hi4_race2.pdf

Posted on Jun 08, 2015

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Posted on Jan 02, 2017

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rselvy
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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.

Posted on Dec 08, 2008

  • 1 Answer

SOURCE: What type of oil does my 1978 Harley Davidson shovel-head use?

60 wt (50 if hi temp under 50f)

Posted on Apr 02, 2009

ollie reece
  • 1167 Answers

SOURCE: i have a 1993 dyna harley davidson with a1340 ss

ok buddy are you running the correct heat range plug as when wrong pluges get hot they foul and when the cool the come back to life so try that 1st also what colour are the plugs when you pull them out get back to me

Posted on Sep 15, 2009

rtpflh
  • 546 Answers

SOURCE: I have a 79 shovelhead with a S&S carb and a

,check condition of timing advance mechanism behind breaker plate.

Posted on Oct 08, 2009

  • 18 Answers

SOURCE: 2003 harley davidson dyna superglide ignition type

2003 is single fire. If you buy anew tach, it will come with instalation instructions. With a little common sence, it's pretty easy.

Posted on Apr 15, 2010

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If my 1981 flt has points ignition, then I don't have to purchase a centrifugal advance to convert to electronic ignition. Is this correct?


Hi, Douglas it all depends on the cost of electronic ignition that you purchase most brands use a mechanical advance for cost reasons on some of its models and then offer straight electronic ignition without a mechanical advance for more money if you upgrade to a stock Harley electronic ignition no problem do your homework and find something that you and your wallet are comfortable with check out Crane, Dynatek and Compufire for more information about your issue and free downloads that you will need please visit the websites below, and for specific information or questions, please feel free to contact me at xlch@mail.com. Good luck and have a nice day. http://www.v-twinforum.com/forums/twin-cam-engine-mods/1112-points-electronic-ignition-conversion.html
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Hi Anonymous, on twin cams 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 8.7 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.
For a prime suspect please visit the website below:
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Hi Anonymous, on twin cams 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 8.7 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.
Good luck

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Hi Anonymous, for more information about your question please visit the websites below. Good luck and have nice day.
http://www.nightrider.com/biketech/download/crane/install_hi4_race2.pdf

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77 shovel head plugs carbon fouled


Hi Anonymous, and the usual suspects are:
1. Plugs in bad condition or partially fouled.
2. Spark plug cables in bad condition or leaking.
3. Spark plug gap to close or to wide.
4. Faulty ignition coil, module and or sensor.
5. Battery nearly discarged.
6. Damaged wire or loose connections at battery terminals especially the ground cable at BOTH ends, ignition coil, or plug between ignition sensor and module.
7. Intermittent short circuit due to damaged wire insulation.
8. If your bike has a CKP sensor you must leave both plugs in
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Hi Lowbrowbob, on twin cams 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 8.7 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.
For a prime suspect please visit the website below:
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Rear cyclinder is running rich,blows black smoke,This is an 80 in. new build,ported heads,three angle valve grind,EV 27 cam,I've tried every jet combo in 2 S&S ''E'' carbs,one brand new,Tried Dyna S...


Hi Woodwerkjerk, and the usual suspects are:
1. Plugs in bad condition or partially fouled.
2. Spark plug cables in bad condition or leaking.
3. Spark plug gap to close or to wide.
4. Faulty ignition coil, module and or sensor.
5. Battery nearly discarged.
6. Damaged wire or loose connections at battery terminals especially the ground cable at BOTH ends, ignition coil, or plug between ignition sensor and module.
7. Intermittent short circuit due to damaged wire insulation.
8. If your bike has a CKP sensor you must leave both plugs in
head and check for spark with a 3rd plug. Good luck.

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