Softail Models Standard, Custom, Night Train, Deuce, Springer, Heritage, Fatboy, Deluxe, Rocker and Cross Bones.
Sponsored by:
Sponsored by:

Spark plugs ??

Thread Tools
 
Search this Thread
 
Old Mar 19, 2013 | 03:34 PM
  #1  
wiktor's Avatar
wiktor
Thread Starter
|
Tourer
Joined: Jan 2011
Posts: 266
Likes: 1
Default Spark plugs ??

Planning on changing the plugs on my 2011 Fatboy and was wondering what you use? I change the plugs every service so I'm thinking of using the Harley Gold plugs or do the Platinums make a difference worth the money?
 
Reply
Old Mar 19, 2013 | 03:42 PM
  #2  
Sgt_Jim's Avatar
Sgt_Jim
Stellar HDF Member
Joined: Feb 2011
Posts: 3,048
Likes: 3
From: Central Jersey
Default

with no disrespect..if your bike is tuned properly, there is no reason why you should be changing your plugs with every service..

and i use the screamin' eagle plugs. some people say there's a difference, but whether its my bike, my car, or my lawnmower..i've never seen a difference from just a plug.
 
Reply
Old Mar 19, 2013 | 03:43 PM
  #3  
Alain's Avatar
Alain
Elite HDF Member
Joined: Jul 2008
Posts: 4,762
Likes: 12
From: north jersey
Default

Originally Posted by Sgt_Jim
with no disrespect..if your bike is tuned properly, there is no reason why you should be changing your plugs with every service..

and i use the screamin' eagle plugs. some people say there's a difference, but whether its my bike, my car, or my lawnmower..i've never seen a difference from just a plug.
plus 1
 
Reply
Old Mar 19, 2013 | 04:27 PM
  #4  
jreichart's Avatar
jreichart
Road Warrior
Joined: Mar 2011
Posts: 1,918
Likes: 5
From: Heber Springs, AR
Default

My first set of stockers went for 18k, then had the 05 valve seal issue and replaced with a new set of stockers when it was repaired. Ran those for 25k plus, just swapped em out for a set of SE plugs. Not because they were bad, but because I was having some fuel and stalling issues and wanted to eliminate the simple stuff as the cause. Wasn't the plugs. You're throwing away money changing them at every service, but if it gives ya that warm fuzzy feeling by all means keep it up.

I would stick with Harley plugs of some kind. Why? They work. With air cooled motors, the temp rating of the plug makes a difference, and the resistance of the plug can also mess with the ECM & ignition to an extent. IMHO (and I'm not an engineer or even very smart for that matter) changing to an aftermarket 14 electrode paladium magnesium molybdenum coated super sparker mega watt spark plug isn't going to make any difference. Stockers or SE for me. Keep it simple.
 
Reply
Old Mar 19, 2013 | 04:31 PM
  #5  
oc1014's Avatar
oc1014
Road Captain
Joined: Jul 2011
Posts: 565
Likes: 0
From: Ohio
Default

I put in Screamin Eagle plugs and got a code. Replaced with the OEM and no codes. Save your money.
 
Reply
Old Mar 19, 2013 | 05:07 PM
  #6  
QC's Avatar
QC
Seasoned HDF Member
10 Year Member
Liked
Loved
Top Answer: 1
Joined: Mar 2012
Posts: 100,455
Likes: 19,811
From: Centennial, CO
Default

Love the description J! Too funny.
I use the NGK Iridiums. Seem to be ok. May try the SEs next time.
 
Reply
Old Mar 19, 2013 | 06:05 PM
  #7  
mswing1234's Avatar
mswing1234
Road Captain
Joined: May 2010
Posts: 507
Likes: 4
From: Wentzville, Missouri
Default

I've seen a lot of posters using NGK. I'm still using Harley plugs. I did install the SE version a few months after I did my stage one. No reason, just did, no difference. My old original stock plugs were a nice light brown, just the way they're supposed to be.
 
Reply
Old Mar 19, 2013 | 06:14 PM
  #8  
wiktor's Avatar
wiktor
Thread Starter
|
Tourer
Joined: Jan 2011
Posts: 266
Likes: 1
Default

Thanks for the replies. I do plan on staying with HD plugs of one kind or another. Only reason I've been replacing them is because the manual says to inspect them every 5,000 miles and replace them at 20,000. If I pull them to inspect them their gasket washer has already been crushed so I just throw new ones in. They have looked fine so maybe I'll just call it quits on "inspecting" them every 5,000?
 
Reply
HD Forum Stories

The Best of Harley-Davidson for Lifelong Riders

story-0

7 Times Harley-Davidson Chucked Tradition Out the Window

 Verdad Gallardo
story-1

7 Surprising Harley-Davidson Products that Are Not Motorcycles

 Verdad Gallardo
story-2

8 Best Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-3

10 Worst Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-4

Killer Custom's Jail Break Is The Breakout That Refused to Blend In

 Verdad Gallardo
story-5

Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

 Verdad Gallardo
story-6

Harley-Davidson Reveals Super Cool Cafe Racer Concept

 Verdad Gallardo
story-7

Engraved Rebellion: Inside Bundnerbike's Glam Rock II

 Verdad Gallardo
story-8

10 Motorcycles You Should Never Buy

 Joe Kucinski
story-9

10 Things Harley-Davidson Needs to Fix in 2026

 Verdad Gallardo
Old Mar 19, 2013 | 06:16 PM
  #9  
ElectraGlideSteve's Avatar
ElectraGlideSteve
Road Warrior
15 Year Member
Liked
Joined: Aug 2008
Posts: 1,997
Likes: 94
From: Massachusetts
Default

I just use the HD 6R12 plugs.
I've always had good luck with them.
They're only $3-$4 each at the dealer and I change them every 12-15k miles or so.
 
Reply
Old Mar 19, 2013 | 06:21 PM
  #10  
WhiteNoise's Avatar
WhiteNoise
Road Captain
10 Year Member
Photogenic
Liked
Loved
Joined: May 2012
Posts: 669
Likes: 21
From: Riverside, CA
Default

Originally Posted by wiktor
Thanks for the replies. I do plan on staying with HD plugs of one kind or another. Only reason I've been replacing them is because the manual says to inspect them every 5,000 miles and replace them at 20,000. If I pull them to inspect them their gasket washer has already been crushed so I just throw new ones in. They have looked fine so maybe I'll just call it quits on "inspecting" them every 5,000?
Total waste of money man.

I replaced my first set at 20k and they still looked okay.

I used HD Golds.
 
Reply



All times are GMT -5. The time now is 05:09 PM.

story-0
7 Times Harley-Davidson Chucked Tradition Out the Window

Slideshow: Harley-Davidson built its reputation on nostalgia, but every so often, the company took a hard left turn into the future.

By Verdad Gallardo | 2026-05-20 11:18:19


VIEW MORE
story-1
7 Surprising Harley-Davidson Products that Are Not Motorcycles

Slideshow: The bar-and-shield logo shows up on far more than motorcycles, some of the company's most unexpected products have nothing to do with riding.

By Verdad Gallardo | 2026-04-29 16:50:35


VIEW MORE
story-2
8 Best Harley-Davidson Motorcycles Ever

Slideshow: Not every Harley gets it right, but these are the ones that genuinely earned their reputation.

By Pouria Savadkouei | 2026-04-15 14:23:21


VIEW MORE
story-3
10 Worst Harley-Davidson Motorcycles Ever

Slideshow: From the troubled AMF years to modern misfires, these bikes earned reputations for reliability issues, questionable engineering, or disappointing performance.

By Pouria Savadkouei | 2026-04-01 20:01:09


VIEW MORE
story-4
Killer Custom's Jail Break Is The Breakout That Refused to Blend In

Slideshow: Killer Custom's "Jail Breaker" build focuses more on stance and visual aggression than mechanical overhaul.

By Verdad Gallardo | 2026-03-18 19:20:32


VIEW MORE
story-5
Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

Slideshow: The Swiss custom shop has taken a Harley Softail and stretched it into something so long and low that it looks closer to a rolling sculpture than a conventional motorcycle.

By Verdad Gallardo | 2026-03-07 16:15:30


VIEW MORE
story-6
Harley-Davidson Reveals Super Cool Cafe Racer Concept

Slideshow: Harley-Davidson's new RMCR concept revives the café racer formula with modern hardware-and it may be exactly the reset the company needs.

By Verdad Gallardo | 2026-03-04 12:23:37


VIEW MORE
story-7
Engraved Rebellion: Inside Bundnerbike's Glam Rock II

Slideshow: A standard cruiser becomes an intricate metal canvas in the hands of a Swiss custom house known for pushing Harley-Davidson platforms far beyond their factory brief.

By Verdad Gallardo | 2026-02-24 18:19:44


VIEW MORE
story-8
10 Motorcycles You Should Never Buy

Slideshow: There is no shortage of great motorcycles to buy, but we would avoid these ten.

By Joe Kucinski | 2026-02-19 14:50:51


VIEW MORE
story-9
10 Things Harley-Davidson Needs to Fix in 2026

Slideshow: Harley-Davidson's challenges aren't abstract; they show up in dropping shipments, shrinking dealer traffic, and strategic decisions that aren't yet translating into growth.

By Verdad Gallardo | 2026-01-13 18:33:17


VIEW MORE