plugs - Harley Davidson Forums - Threads Tagged with plugs

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2006, cb, custom, fire, fuel, harley, injected, make, misfire, misfiring, miss, occasional, plugs, shovelhead, skip, spark, wot

Occasional misfire at cruise

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1 2 3)

iclick on May 5, 2011

Oct 1, 2025 05:17 PM
by net4u@aol.com

29

22,750

Ignition/Tuner/ECM/Fuel Injection

78, blowing, change, davidson, harley, models, oil, oily, plugs, problems, pump, put, shovelhead, smoke, started, troubleshooting

oil problems with 78 shovelhead

mslarm on May 3, 2012

May 27, 2025 05:30 PM
by shovelmann

8

9,233

Shovelhead

buy, connector, davidson, electra, glide, harley, kit, liner, liners, pack, pak, plug, plugs, road, tour, wire

Plug under my tour pack liner

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1 2)

FloridaFLHX on Jan 24, 2011

Sep 6, 2024 10:14 PM
by gonefortheborder

10

4,334

Touring Models

bad, clean, davidson, h5, harley, hotter, ironhead, mikuni, nonresistor, plug, plugs, purchase, putting, sizes, spark

Spark plugs

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1 2 3)

sousap on Aug 10, 2009

Aug 10, 2024 01:05 PM
by 83XLX

22

17,073

Ironhead

correct, cylinder, davidson, front, harley, hdforums, lean, pictures, plug, plugs, reading, rich, running, spark, sparkplugs, sportster

reading spark plugs, with photos

07fsxt on Jun 19, 2011

Jun 6, 2023 07:45 AM
by xcbullet

7

32,877

Engine Mechanical Topics

2010, air, barnett, blowing, davidson, gun, harley, hd, plugs, remove, softail, spark

Interesting way to remove spark plugs

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1 2 3)

djhrln on Jan 21, 2012

Dec 21, 2022 03:50 PM
by foxtrapper

23

5,139

Touring Models

80, autolite, bpr5eix11, evo, forums, fould, harley, iridium, iriduim, iridum, nkg, plug, plugs, recommended, review, spark, ss

Anyone try iridium spark plugs in a evo ?

HD7585 on Aug 22, 2009

Jun 17, 2022 12:58 PM
by Fatboy1389

9

20,542

EVO

03, 06, carb, carbs, carbureted, carburetor, davidson, fatboy, fouling, harley, mikuni, plugs, rich, running, runs

Running rich and fouling plugs, Mikuni carbs

sturgisfatboy on Aug 5, 2007

Dec 7, 2021 09:36 AM
by Kenneth Wise

4

11,700

Exhaust System Topics

6802803, blinker, davidson, de, dyna, dyns, filler, gma, harley, harleydavidson, hole, pdf, plugs, rear, signal, turn

Rear turn signal plugs. .... Do they make em?

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jousley on Jul 25, 2010

Dec 2, 2021 04:08 PM
by joe40x

36

19,496

Dyna Glide Models

00, davidson, deuce, evo, gap, harley, ignigtion, matter, plug, plugs, softail, spark, spark plug wires, type, us kool lines, whats, wires

Whats the best spark plug???Does it really matter??

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Hawaii-Five-Jo on Mar 8, 2011

Apr 29, 2021 04:54 AM
by S.D.M.F

69

154,791

Softail Models

panshovel?

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1 2)

mackan on Aug 21, 2007

Feb 27, 2021 05:11 PM
by 98hotrodfatboy

19

10,779

Custom Models

connector, davidson, dual, duals, freeze, harley, harly, head, homemade, king, mod, pipe, plug, plugs, road, true

HOW TO True Duals at home

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1 2 3 ... Last Page)

999 Customs on Oct 20, 2010

Jan 30, 2021 08:15 AM
by Tipoil453

52

30,159

Touring Models

6249099a, bolt, drain, fitment, harley, loctite, loose, lose, oil, pan, plug, plugs, roadglide, tapered

drain plug loose, dealer recomends new pan

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No Tyme on Feb 15, 2012

Oct 11, 2020 12:56 PM
by Campy Roadie

60

13,733

Touring Models

2001, 2009, case, davidson, deuce, drain, engine, fatboy, harley, hd, oil, plug, plugs, repair, softail, threads, trans

Trans drain plug is stripped on 09 fatboy

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1 2 3)

myvegas03 on Mar 29, 2010

Sep 27, 2020 04:18 AM
by magna

24

11,463

Softail Models

2010, bosh, davidson, difference, glide, guide, harley, knock, plug, plugs, retard, spark, street, tts, ultra

Spark Plugs, is there a difference?

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1 2 3 ... Last Page)

Iceman24 on Nov 19, 2010

Sep 2, 2020 09:11 AM
by btsom

38

12,666

Touring Models

davidson, evolution, foul, fouling, fowling, fuel, harley, heritage, injected, injection, plug, plugs, rear, spark, sparkplugs

Fouling Plugs issues...

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1 2)

StoneDogg on Sep 21, 2006

Aug 2, 2020 09:04 AM
by Screamin beagle

10

19,032

Exhaust System Topics

101, 1984, acceptable, compression, cylinders, davidson, dual, evo, flthc, harley, heads, plug, plugs, readings, spark

4 spark plugs 1984 FLTHC

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1 2 3 ... Last Page)

Learch on Nov 20, 2008

Jul 13, 2020 08:55 AM
by Jd1a

38

25,536

EVO

Oil was down a litre!! WTH

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1 2)

harley_nova on Sep 15, 2009

Jul 10, 2020 12:22 AM
by Bone Doc

14

2,406

Softail Models

01, 2001, cutting, davidson, dyna, harley, motorcycle, plugs, spaekw, spark, sporster, sportster, sporty, wont, xl1200c

2001 Sporty - No spark at plugs

dyocis on Apr 4, 2011

Jun 3, 2020 03:08 PM
by Soarer77

3

10,485

Ignition/Tuner/ECM/Fuel Injection

aid, custom, ear, earplugs, fit, forum, harley, hd, hearing, noise, plugs, riding, sportster, stop, torrance, wind

Wind Noise

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1 2 3 ... Last Page)

sgw1064 on Dec 30, 2010

May 19, 2020 07:57 AM
by John Harper

30

4,414

Sportster Models

93ci, davidson, dual, engine, harley, heads, plug, plugs, required, run, shovel, shovelhead, spark, ss, timing

Anyone have experience going to dual spark plugs?

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1 2)

76Shovel on Feb 18, 2011

Mar 16, 2020 07:42 AM
by Racepres

15

21,307

Shovelhead

88, black, cough, evo, fuel, gas, harley, idle, motorcycles, plugs, rich, short, shots, smell, spark, wynns, xtend

excessive gas smell during the ride

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1 2 3 ... Last Page)

FXD2003Rider on May 29, 2010

Jan 27, 2020 12:23 PM
by GREENOHAWK69

35

6,431

Dyna Glide Models

2001, 2010, davidson, eagle, harley, ignition, iron, plug, plugs, screamin, screaming, se, spark, sparkplugs, turns, wires

Screamin Eagle spark plug wires

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1 2 3)

black05sunshine on Sep 22, 2011

Aug 25, 2019 07:36 AM
by mecompco

24

54,703

Dyna Glide Models

2009, davidson, flhtk, gap, glide, harley, harmful, iridium, motorcycles, pictures, plug, plugs, regap, spark, street

How do you regap a Iridium Spark plug?

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jackhis on May 4, 2011

Aug 12, 2019 11:09 AM
by 04ctd

31

17,204

Touring Models

1116, 1316, 2009, adapter, adptor, autolite, harley, hd, motorcycle, plug, plugs, resistor, sensor, spark, stock, thread, triglide, xr1200

Spark Plug Question

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jbyun on May 16, 2011

Aug 11, 2019 10:07 PM
by fugno

57

49,540

Sportster Models

harley, hear, intake, leak, leaking, make, noise, plugs, riding, whistling

Can you HEAR an intake leak?

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1 2)

Anthony8858 on Sep 11, 2005

Feb 25, 2019 04:00 PM
by Ed Ramberger

13

5,204

Exhaust System Topics

handlebar installation question

CanadianHD on Jan 22, 2019

Jan 25, 2019 09:33 AM
by skinman13

7

756

Electrical/Lighting/Alarm

anti, davidson, dose, harley, harly, head, kind, motorcycle, plug, plugs, seize, seized, spark, use, wrong

Do you use anti-seize on spark plugs?

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1 2 3 ... Last Page)

MikeSz on Jul 10, 2011

Oct 25, 2018 05:11 PM
by JW1200

124

50,782

Dyna Glide Models

4164, 6r12, autolite, cross, davidson, eagle, ex12p, harley, interchange, plug, plugs, reference, screamin, size, socket, spark, sportster

spark plug cross reference

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1 2)

tidefan60 on Jan 2, 2011

Sep 25, 2018 02:12 PM
by Jimmy8

12

68,614

Sportster Models

98, champion, electra, evo, fxdl, glide, harley, harly, hd, junk, parts, plugs, ra8hc, reading, spark

Correct Spark Plugs 98 Evo with SE Heads

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astark on Apr 21, 2010

Jul 26, 2018 06:04 AM
by 98hotrodfatboy

40

49,240

EVO