Touring Models Road King, Road King Custom, Road King Classic, Road Glide, Street Glide, Electra Glide, Electra Glide Classic, and Electra Glide Ultra Classic bikes.
Sponsored by:
Sponsored by:

head pipe glowing

Thread Tools
 
Search this Thread
 
Old Apr 23, 2008 | 10:05 PM
  #1  
dowork08's Avatar
dowork08
Thread Starter
|
Tourer
Joined: Feb 2008
Posts: 414
Likes: 0
From:
Default head pipe glowing

I was at work last night and had the bike running waiting for the guys to get ready bike probaly sat for 3 mins running with out moving. I happen to look down and the head pipe on the rear cylendar was glowing red hot, it looked like the damn thing was going to turn into molten metal. That was the fist time i had ever noticed anything like that. Just wondering if it is normal or anyone else seen this???
 
Reply
Old Apr 23, 2008 | 10:09 PM
  #2  
xxxflhrci's Avatar
xxxflhrci
Extreme HDF Member
Joined: Sep 2006
Posts: 10,033
Likes: 29
Default RE: head pipe glowing

Seems to be real common on the '07 and '08 bikes. The first time I ever saw it was on my buddy's '07.
 
Reply
Old Apr 23, 2008 | 10:14 PM
  #3  
dowork08's Avatar
dowork08
Thread Starter
|
Tourer
Joined: Feb 2008
Posts: 414
Likes: 0
From:
Default RE: head pipe glowing

yeah mines an 08 and actually i have the bub 7's and the o2 port plugs changed colors to white, they are sending me new ones. I run a PCIII which does not use the o2 sensors. My PCIII is actually dead so i have it removed now they also are sending me a new one...i just cant belive the heat that these bikes put out
 
Reply
Old Apr 23, 2008 | 10:23 PM
  #4  
sifularson's Avatar
sifularson
Elite HDF Member
Joined: Jun 2006
Posts: 3,698
Likes: 11
From: Longview, Washington
Default RE: head pipe glowing

Have you changes your air cleaner yet?

If so, and you're running without your PCIII, your bike is running very lean right now. This is one reason your pipe got so hot.

I've heard about guys that found pipes cracked from getting so hot.
 
Reply
Old Apr 23, 2008 | 10:35 PM
  #5  
dowork08's Avatar
dowork08
Thread Starter
|
Tourer
Joined: Feb 2008
Posts: 414
Likes: 0
From:
Default RE: head pipe glowing

Yeah i do have a SE air cleaner, the bike isnt popping or anything but i stoped riding it anyways untill the new PCIII shows up
 
Reply
Old Apr 23, 2008 | 10:39 PM
  #6  
SSJ's Avatar
SSJ
Road Captain
Joined: Oct 2006
Posts: 660
Likes: 4
From: Ft. Smith Arkansas
Default RE: head pipe glowing

Red hot no problem, before I changed anything me and wife came back from hour long ride got back at 2am noticed something glowing white took a closer look it was the y pipe glowing white hot could see through the thing, yepper pretty common till you rich it up some.
 
Reply
Old Apr 23, 2008 | 10:42 PM
  #7  
dowork08's Avatar
dowork08
Thread Starter
|
Tourer
Joined: Feb 2008
Posts: 414
Likes: 0
From:
Default RE: head pipe glowing

i wonder how much the PCIIIcan richen it up and make it cooler. I would love to know the AFR after the PCIII is back installed
 
Reply
Old Apr 24, 2008 | 05:02 AM
  #8  
xxxflhrci's Avatar
xxxflhrci
Extreme HDF Member
Joined: Sep 2006
Posts: 10,033
Likes: 29
Default RE: head pipe glowing

ORIGINAL: sifularson

Have you changes your air cleaner yet?

If so, and you're running without your PCIII, your bike is running very lean right now. This is one reason your pipe got so hot.

My buddy's does it and it is 100% stock.
 
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 Apr 24, 2008 | 11:31 AM
  #9  
sifularson's Avatar
sifularson
Elite HDF Member
Joined: Jun 2006
Posts: 3,698
Likes: 11
From: Longview, Washington
Default RE: head pipe glowing


ORIGINAL: xxxflhrci

ORIGINAL: sifularson

Have you changes your air cleaner yet?

If so, and you're running without your PCIII, your bike is running very lean right now. This is one reason your pipe got so hot.

My buddy's does it and it is 100% stock.
100% stock = 100% hot

This is the main reason that I did a stage 1 upgrade. To beat the heat.
 
Reply
Old Apr 24, 2008 | 11:38 AM
  #10  
FLHT's Avatar
FLHT
Outstanding HDF Member
Joined: Oct 2006
Posts: 2,340
Likes: 2
From: Omaha Nebraska
Default RE: head pipe glowing

It's not only the 07 and 08. My 06 did it too until I did the stage one.
 
Reply



All times are GMT -5. The time now is 02:52 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