The Sportster and Buell Motorcycle Forum - The XLFORUM®
 

Go Back   The Sportster and Buell Motorcycle Forum - The XLFORUM® > SPORTSTER MOTORCYCLE FORUM > Sportster Motorcycle Era Specific and Model Specific > Ironhead Sportster Motorcycle Talk (1957-1985)
XLF Blogs XLF Arcade XLF Disclaimer/Privacy Statement/Terms Of Use

Ironhead Sportster Motorcycle Talk (1957-1985) For all those that wanna talk about Ironhead Sportster Motorcycles

Active Threads
0 TC88A Programming Hardware
Last Post: IXL2Relax
Posted On: 12 Minutes Ago
Replies: 9
Views: 133
2 My 1275 Hammer Conversion..
Last Post: harley506d
Posted On: 14 Minutes Ago
Replies: 12
Views: 169
0 Banjo bolt sizes for front brake line.
Last Post: SLW210
Posted On: 23 Minutes Ago
Replies: 23
Views: 533
0 Food porn
Last Post: Crusty
Posted On: 27 Minutes Ago
Replies: 1,788
Views: 319,695
0 Where can i find this led Tail light ?
Last Post: SLW210
Posted On: 39 Minutes Ago
Replies: 1
Views: 42
0 What do you get when you buy a bike ?
Last Post: SLW210
Posted On: 55 Minutes Ago
Replies: 8
Views: 332
0 Poll for the legalization of cannabis
Last Post: davidbarker8
Posted On: 1 Hour Ago
Replies: 504
Views: 70,540
0 I recieved my new 1960 XLCH from New-Orleans
Last Post: Blowupster
Posted On: 1 Hour Ago
Replies: 555
Views: 77,866
0 What did you do for your sporty Today?
Last Post: Blowupster
Posted On: 1 Hour Ago
Replies: 6,559
Views: 879,938
0 Official XL Forum Random Image Thread (NO NUDITY!)
Last Post: Stairman
Posted On: 1 Hour Ago
Replies: 46,210
Views: 7,325,287
0 Hottie of the day, no nudity.
Last Post: Stairman
Posted On: 1 Hour Ago
Replies: 16,415
Views: 1,600,297
0 Hi , from NZ
Last Post: shanneba
Posted On: 2 Hours Ago
Replies: 7
Views: 62
0 1980 XLH Rocker Head question
Last Post: jc1980xlh
Posted On: 2 Hours Ago
Replies: 0
Views: 31
0 Ironhead in the uk
Last Post: DEEP DIVER
Posted On: 3 Hours Ago
Replies: 10
Views: 199
0 Right rear turn signal out 2002 XL1200C
Last Post: harley506d
Posted On: 3 Hours Ago
Replies: 4
Views: 110
0 Send a note to Sportsterpedia Admin
Last Post: The Doctor71
Posted On: 4 Hours Ago
Replies: 111
Views: 18,814
0 roadside belt change
Last Post: jazzman
Posted On: 6 Hours Ago
Replies: 28
Views: 2,268
0 2020 east coast meet and greet.
Last Post: commando57
Posted On: 7 Hours Ago
Replies: 46
Views: 2,278
0 Keep & Kill
Last Post: Crusty
Posted On: 9 Hours Ago
Replies: 15,358
Views: 863,885
3 Shaky Dave Recovery
Last Post: SHAKY DAVE
Posted On: 9 Hours Ago
Replies: 156
Views: 15,841
0 Oil, Filters and Spark Plugs
Last Post: boomerguy
Posted On: 9 Hours Ago
Replies: 96
Views: 3,748
0 Trans/Year Interchangeability Question
Last Post: doodah man
Posted On: 10 Hours Ago
Replies: 182
Views: 5,952
0 1970 XLH 900 color?
Last Post: Hippysmack
Posted On: 10 Hours Ago
Replies: 4
Views: 116
0 Hi From Atlanta
Last Post: ZCarFan
Posted On: 10 Hours Ago
Replies: 10
Views: 140
0 Sleeve cylinders?
Last Post: Gold Member
Posted On: 11 Hours Ago
Replies: 20
Views: 1,011
0 Options for SE a/c cover
Last Post: tussuck
Posted On: 11 Hours Ago
Replies: 3
Views: 194
0 Riding Classic Harley 1939EL Knucklehead
Last Post: hexnut
Posted On: 11 Hours Ago
Replies: 8
Views: 320
0 Do Sportster Low XL883L models have a shorter jiffy stand spring?
Last Post: tussuck
Posted On: 11 Hours Ago
Replies: 8
Views: 268
0 External breathing systems
Last Post: Nibelungen
Posted On: 12 Hours Ago
Replies: 17
Views: 532
0 never mind
Last Post: sportsterpaul
Posted On: 13 Hours Ago
Replies: 133
Views: 10,168
More...
Members Birthdays
77xlch, buell_fxr (74), Danny (63), Wino (51), no_chrome (45), USMC_Davii (43), dijitaldna (38), 08nightmare
Sponsored Links
Reply
 
Share Thread Tools Display Modes
  #31  
Old 1 Week Ago
jsandidge jsandidge is offline
XL FORUM TEAM MEMBER
 
Join Date: Oct 2019
Posts: 78
Sportster/Buell Model: xlh
Sportster/Buell Year: 1981
Other Motorcycle Model: Suzuki GS850GL
Other Motorcycle Year: 1982
Reputation: 3106
jsandidge is a jewel in the roughjsandidge is a jewel in the roughjsandidge is a jewel in the roughjsandidge is a jewel in the roughjsandidge is a jewel in the roughjsandidge is a jewel in the roughjsandidge is a jewel in the roughjsandidge is a jewel in the roughjsandidge is a jewel in the roughjsandidge is a jewel in the roughjsandidge is a jewel in the rough
Default

Quote:
Originally Posted by ryder rick View Post
And the rear piston is completely untouched?

More pictures would cut down on the questions.
I'd like to see the top of both pistons as well.

It's looking more and more to me like it got ran too long at a slow idle.
Are there any signs of heat inside the piston? (Pipes were not blue)
Rear piston top after brushing off some of the carbon:



Both piston tops:



Front of rear piston:



Front of front piston:



Rear of rear piston:



The skirt of the front (damaged) piston is somewhat smaller than the rear. I don't have the tools to measure accurately with, but it is smaller.
Reply With Quote
  #32  
Old 1 Week Ago
ryder rick's Avatar
ryder rick ryder rick is offline
Senior Master Custom Bike Builder
 
Join Date: Jun 2008
Location: Cornelius, OR
Posts: 8,883
Reputation: 933932
ryder rick has a reputation beyond reputeryder rick has a reputation beyond reputeryder rick has a reputation beyond reputeryder rick has a reputation beyond reputeryder rick has a reputation beyond reputeryder rick has a reputation beyond reputeryder rick has a reputation beyond reputeryder rick has a reputation beyond reputeryder rick has a reputation beyond reputeryder rick has a reputation beyond reputeryder rick has a reputation beyond repute
Default

I don't see any irregular heat indications on either piston. Actually doesn't show any heat.

I'd say from all indicators at this point it was slow idled and oil starved.
__________________
Ryder Rick "I know right from wrong, but sometimes, wrong feels right"
Reply With Quote
  #33  
Old 1 Week Ago
randy3934's Avatar
randy3934 randy3934 is offline
Senior Custom Bike Builder
 
Join Date: Dec 2011
Location: under a roof
Posts: 2,890
Sportster/Buell Model: xlh 1000 69 79 xlch
Sportster/Buell Year: 1977
Sportster/Buell Model #2: 80 FXE 82FLH 83FXR
Other Motorcycle Model: 78FLH 79xlch 96xl 79xlh
Reputation: 134196
randy3934 has a brilliant futurerandy3934 has a brilliant futurerandy3934 has a brilliant futurerandy3934 has a brilliant futurerandy3934 has a brilliant futurerandy3934 has a brilliant futurerandy3934 has a brilliant futurerandy3934 has a brilliant futurerandy3934 has a brilliant futurerandy3934 has a brilliant futurerandy3934 has a brilliant future
Default

saw that in a motor that sat idling too long in a traffic jam. Portland bike hahahaha
__________________
I'm not a complete idiot, some parts are missing. not enough room to list all my harleys.
Reply With Quote
  #34  
Old 1 Week Ago
brucstoudt's Avatar
brucstoudt brucstoudt is offline
Senior Master Custom Bike Builder
 
Join Date: May 2010
Location: Pottstown PA.
Posts: 13,516
Sportster/Buell Model: xlch
Sportster/Buell Year: 1960
Reputation: 307983
brucstoudt has a reputation beyond reputebrucstoudt has a reputation beyond reputebrucstoudt has a reputation beyond reputebrucstoudt has a reputation beyond reputebrucstoudt has a reputation beyond reputebrucstoudt has a reputation beyond reputebrucstoudt has a reputation beyond reputebrucstoudt has a reputation beyond reputebrucstoudt has a reputation beyond reputebrucstoudt has a reputation beyond reputebrucstoudt has a reputation beyond repute
Default

on only one cylinder? i'm not ruling out an intake leak at the front o-ring.
__________________
72 1000cc barrels and heads, s&s 41/2'' flywheels, sifton cams, s&s super B w/ zippers thunderjet w/yost powertube, andrews gears,and shafts, competition engineering kevlar wet or dry clutch, 72 oil pump, morris magneto w/auto advance and single fire module, cycle electric generator w/electronic regulator,73 cu.in.
Reply With Quote
  #35  
Old 1 Week Ago
jkinkade jkinkade is offline
Land Speed Record
 
Join Date: Jan 2016
Location: on the Australian east coast
Posts: 731
Sportster/Buell Model: XLH 88" 2003.
Sportster/Buell Year: 2003
Reputation: 175527
jkinkade has a brilliant futurejkinkade has a brilliant futurejkinkade has a brilliant futurejkinkade has a brilliant futurejkinkade has a brilliant futurejkinkade has a brilliant futurejkinkade has a brilliant futurejkinkade has a brilliant futurejkinkade has a brilliant futurejkinkade has a brilliant futurejkinkade has a brilliant future
Default

Quote:
Originally Posted by jsandidge View Post
What causes piston slap anyway?
A lot of things cause, piston slap, most of reason's been stated in post's.. you can lessen piston slap a few different ways. one of them is to fit off set piston pin. S&S had cast off set pin pistons. I used a set in an old Shovel Stroker big twin. not sure if they make them for Iron Head Sporty's. just thought I'd mention.
__________________
2003 XL 88"
Reply With Quote
  #36  
Old 1 Week Ago
GA_Ironhead GA_Ironhead is offline
Senior Master Custom Bike Builder
 
Join Date: Mar 2006
Location: Athens, GA
Posts: 5,222
Sportster/Buell Model: XLCH
Sportster/Buell Year: 1962
Reputation: 178819
GA_Ironhead has a brilliant futureGA_Ironhead has a brilliant futureGA_Ironhead has a brilliant futureGA_Ironhead has a brilliant futureGA_Ironhead has a brilliant futureGA_Ironhead has a brilliant futureGA_Ironhead has a brilliant futureGA_Ironhead has a brilliant futureGA_Ironhead has a brilliant futureGA_Ironhead has a brilliant futureGA_Ironhead has a brilliant future
Default

Aren't you worried about all the shit on the rags falling in the cases when you pull the rags out? If it were me, it would look a bit more like a surgical field to avoid that.
__________________
I'm no Luddite; I just hate the march of technology.
Reply With Quote
Sponsored Links
  #37  
Old 1 Week Ago
doodah man's Avatar
doodah man doodah man is online now
Senior Master Custom Bike Builder
 
Join Date: May 2009
Location: 37° 25' 28" N by -80° 03' 42" W
Posts: 10,500
Sportster/Buell Model: XLCH
Sportster/Buell Year: 1975
Reputation: 660479
doodah man has a reputation beyond reputedoodah man has a reputation beyond reputedoodah man has a reputation beyond reputedoodah man has a reputation beyond reputedoodah man has a reputation beyond reputedoodah man has a reputation beyond reputedoodah man has a reputation beyond reputedoodah man has a reputation beyond reputedoodah man has a reputation beyond reputedoodah man has a reputation beyond reputedoodah man has a reputation beyond repute
Default

Quote:
Originally Posted by GA_Ironhead View Post
Aren't you worried about all the shit on the rags falling in the cases when you pull the rags out?
Shop vac to the rescue!
__________________
Nine mile skid on a ten mile ride, hot as a pistol but cool inside.
Reply With Quote
  #38  
Old 1 Week Ago
IronMick's Avatar
IronMick IronMick is offline
Rider Of The Iron Steed
 
Join Date: Dec 2003
Location: London, ON Canada
Posts: 32,137
Sportster/Buell Model: XLH
Sportster/Buell Year: 1978
Reputation: 1002828
IronMick has a reputation beyond reputeIronMick has a reputation beyond reputeIronMick has a reputation beyond reputeIronMick has a reputation beyond reputeIronMick has a reputation beyond reputeIronMick has a reputation beyond reputeIronMick has a reputation beyond reputeIronMick has a reputation beyond reputeIronMick has a reputation beyond reputeIronMick has a reputation beyond reputeIronMick has a reputation beyond repute
Default

Quote:
Originally Posted by GA_Ironhead View Post
Aren't you worried about all the shit on the rags falling in the cases when you pull the rags out? ...
Use only clean shop rags, installed carefully - and keep pets, visitors, children, inexperienced helpful adults, etc away from it.
__________________
Mick
IronHead Forever!

Visit Mick's WebSite
[And Check Out My Autobiog]
Reply With Quote
  #39  
Old 1 Week Ago
Ferrous Head's Avatar
Ferrous Head Ferrous Head is offline
XL FORUM TEAM MEMBER
 
Join Date: Jun 2009
Location: Sunshine Coast
Posts: 4,870
Sportster/Buell Model: XLB, XLCH, Sporton
Sportster/Buell Year: 1962
Sportster/Buell Model #2: XLCH
Sportster/Buell Year #2: 1966
Other Motorcycle Model: XLCH (Another one)
Other Motorcycle Year: 1966
Reputation: 779666
Ferrous Head has a reputation beyond reputeFerrous Head has a reputation beyond reputeFerrous Head has a reputation beyond reputeFerrous Head has a reputation beyond reputeFerrous Head has a reputation beyond reputeFerrous Head has a reputation beyond reputeFerrous Head has a reputation beyond reputeFerrous Head has a reputation beyond reputeFerrous Head has a reputation beyond reputeFerrous Head has a reputation beyond reputeFerrous Head has a reputation beyond repute
Default

Never lost a child in there but I did have one dog go missing once while I was doing a 74 engine up.

Always wondered about that because the damn thing ran like a dog.
Blamed the carby for a long time.
__________________
"I know only too well the evil that I propose. But my inclinations get the better of me."
Reply With Quote
Reply

Bookmarks


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump



Sponsored Links
All times are GMT +1. The time now is 13:58.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2020, vBulletin Solutions Inc.
XL Forum® - Linson Media LLC