The Sportster and Buell Motorcycle Forum - The XLFORUM®
 

Go Back   The Sportster and Buell Motorcycle Forum - The XLFORUM® > SPORTSTER MOTORCYCLE FORUM > Sportster Motorcycle Intake and Exhaust > Sportster Motorcycle Air intake, Carburetor, EFI, Fuel, and Exhaust
XLF Blogs XLF Arcade XLF Disclaimer/Privacy Statement/Terms Of Use

Sportster Motorcycle Air intake, Carburetor, EFI, Fuel, and Exhaust Problems, advice and/or how tos for Sporster and Buell motorcycle carburators, Electronic Fuel Injection (EFI), Air Intake, Fuel and Exhaust.

Active Threads
0 hello from a long time lurker
Last Post: priell3
Posted On: 1 Minute Ago
Replies: 9
Views: 72
0 Hello from California
Last Post: rocketmangb
Posted On: 2 Minutes Ago
Replies: 6
Views: 22
0 Hot Rods, Rat Rods, and Customs.
Last Post: Stairman
Posted On: 10 Minutes Ago
Replies: 3,304
Views: 374,201
0 Official XL Forum Random Image Thread (NO NUDITY!)
Last Post: Stairman
Posted On: 22 Minutes Ago
Replies: 43,550
Views: 6,802,641
0 Hottie of the day, no nudity.
Last Post: Stairman
Posted On: 26 Minutes Ago
Replies: 10,864
Views: 965,635
0 Looking for washer part and speedo drive info
Last Post: Johnmotoguy
Posted On: 52 Minutes Ago
Replies: 0
Views: 3
0 left him stranded
Last Post: rejeanprimeau
Posted On: 1 Hour Ago
Replies: 9
Views: 242
6 Calling all musicians
Last Post: DirtyHarry68
Posted On: 2 Hours Ago
Replies: 406
Views: 17,815
0 Buying another IH
Last Post: jharback
Posted On: 2 Hours Ago
Replies: 11
Views: 190
0 TC88a DIY Power adapter ?
Last Post: rocketmangb
Posted On: 3 Hours Ago
Replies: 1
Views: 41
0 Gasket goo or not to goo
Last Post: rog
Posted On: 3 Hours Ago
Replies: 8
Views: 141
0 Gasket set recommendations
Last Post: ironkiwi
Posted On: 3 Hours Ago
Replies: 0
Views: 20
0 Clutch WILL NOT adjust to disengage!
Last Post: THEWILDONE
Posted On: 3 Hours Ago
Replies: 34
Views: 2,478
0 Just wanted to thank everyone
Last Post: jordan1200
Posted On: 3 Hours Ago
Replies: 12
Views: 218
0 Anyone go racing last weekend?
Last Post: harley506d
Posted On: 4 Hours Ago
Replies: 2,923
Views: 282,201
0 Evolution Performance Bolt-On Big Bore Kit
Last Post: jharback
Posted On: 4 Hours Ago
Replies: 23
Views: 9,799
0 Scored new to me used tins
Last Post: jharback
Posted On: 4 Hours Ago
Replies: 3
Views: 129
0 Hot Chicks on Hot Bikes
Last Post: FreakyRF
Posted On: 4 Hours Ago
Replies: 9,851
Views: 1,613,572
0 vibration problem solved - CHECK YOUR FRONT ENGINE MOUNT BOLT!!
Last Post: harley506d
Posted On: 5 Hours Ago
Replies: 328
Views: 192,038
0 Handlebar diameter
Last Post: ironkiwi
Posted On: 5 Hours Ago
Replies: 0
Views: 41
0 My 1250 to 1275 build
Last Post: sportytrace
Posted On: 6 Hours Ago
Replies: 75
Views: 2,723
0 1977 Ironhead big fuel tank options
Last Post: IronMick
Posted On: 7 Hours Ago
Replies: 30
Views: 15,944
0 Parts interchange (Rocker Boxes And Rockers)
Last Post: Hippysmack
Posted On: 7 Hours Ago
Replies: 2
Views: 74
0 Help ID’ing... Heads and jugs are weird?
Last Post: Bryan1976
Posted On: 7 Hours Ago
Replies: 5
Views: 116
0 The Oil Leak Rabbit Hole
Last Post: Hippysmack
Posted On: 8 Hours Ago
Replies: 9
Views: 137
0 2004 rear mast cylinder
Last Post: Toejam503
Posted On: 8 Hours Ago
Replies: 5
Views: 85
0 25 April
Last Post: Davo_137
Posted On: 8 Hours Ago
Replies: 10
Views: 184
0 What kind of saddle do you use on your sporty?
Last Post: Marcos.Bonfim
Posted On: 9 Hours Ago
Replies: 276
Views: 73,753
0 T bars or Apehangers???
Last Post: spitfirechopper
Posted On: 9 Hours Ago
Replies: 44
Views: 18,954
0 THE Hockey Thread
Last Post: Airbozo
Posted On: 9 Hours Ago
Replies: 4,021
Views: 266,318
More...
Members Birthdays
Sponsored Links
Reply
 
Share Thread Tools Display Modes
  #41  
Old 1 Week Ago
Four Speed Four Speed is offline
Senior Chief Harley Engineer 1st Class
 
Join Date: Dec 2015
Posts: 1,379
Sportster/Buell Model: Sportster 883 Hugger
Sportster/Buell Year: 1988
Reputation: 446868
Four Speed has a reputation beyond reputeFour Speed has a reputation beyond reputeFour Speed has a reputation beyond reputeFour Speed has a reputation beyond reputeFour Speed has a reputation beyond reputeFour Speed has a reputation beyond reputeFour Speed has a reputation beyond reputeFour Speed has a reputation beyond reputeFour Speed has a reputation beyond reputeFour Speed has a reputation beyond reputeFour Speed has a reputation beyond repute
Default

Golan are excellent but the screen is 100 microns and that still allows fine particles of rust etc to reach the carb. Ask me how I know.
Reply With Quote
  #42  
Old 4 Days Ago
Matt Black Matt Black is offline
Greasemonkey
 
Join Date: Jun 2017
Location: Louisville, KY
Posts: 147
Sportster/Buell Model: XLH 883
Sportster/Buell Year: 1995
Reputation: 125220
Matt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud of
Default

Ok. Got back to it today. Pulled the float bowl off the carb, then removed and inspected the jets. They were all clean, but I ran carb cleaner and air through them again anyway. I also shot carb cleaner followed by air down all the passages.

I removed the mixture screw and repeated the carb cleaner/air treatment going both ways through the passage. The spring came out with the screw, the washer came out when I blew air down the passage from the throat side and the o ring stayed in. I did put the washer back in when I reassembled the screw and packing. I set the screw to 2 1/2 turns out.

I checked the float bowl level setting and it was good.

Checking the throttle plate, I loosened the screws so the plate had some wiggle room. I then unscrewed the idle speed screw so there was no stop, let it fully close then tightened the screws again. Then I screwed the idle speed screw back in until it just covered the transfer ports.

I then pulled the tank and removed the petcock. The screen looked perfectly clean, to my naked eye anyway. I put about 2 cups of gas in the tank and shook the tank around with my thumb over the petcock hole and the cap on. I poured the gas back into the mower can through a funnel with a couple of white paper shop towels in it. They were pure as the driven snow, no chunks of anything that I could see.

I put everything back together. I did not install a fuel filter. Not ruling it out, just not sure about using the little plastic (Outlaw high performance 40-70 microns for snow mobile/ SeaDoo etc...) one I have and also wasn't keen on looping fuel line all over, but if it turns out I have to, I have to. We'll see.

I bought a brand new gas can and fresh gas. Spent 10 min trying to get gas out of the can. When did pouring gas out of a can get complicated?

Pulled the enrichener out and started the bike. Chugged a couple times and died. Tried to start it again and it wouldn't stay running more than a couple revolutions. I turned the idle speed screw in about a turn and a half and tried again. Same thing, but this time as an added bonus it coughed out of the carb. Tried pushing the enrichener in a little, same thing.

I removed the air cleaner and pushed the slide up, it still made vacuum noises as it dropped. As long as I had the AC off I twisted the throttle and checked the accelerator pump, it shot a pretty good stream of gas and was aimed correctly.

Rolled it back in the garage.

Kind of at a loss now. At least before it was running.
__________________
Build thread: http://xlforum.net/forums/showthread.php?t=2030965
Reply With Quote
  #43  
Old 4 Days Ago
Hippysmack's Avatar
Hippysmack Hippysmack is offline
XL FORUM TEAM MEMBER
 
Join Date: Jul 2014
Posts: 3,956
Sportster/Buell Model: Xl1250S
Sportster/Buell Year: 98
Other Motorcycle Model: Kawasaki Vulcan 500
Other Motorcycle Year: 95
Reputation: 3251396
Hippysmack has a reputation beyond reputeHippysmack has a reputation beyond reputeHippysmack has a reputation beyond reputeHippysmack has a reputation beyond reputeHippysmack has a reputation beyond reputeHippysmack has a reputation beyond reputeHippysmack has a reputation beyond reputeHippysmack has a reputation beyond reputeHippysmack has a reputation beyond reputeHippysmack has a reputation beyond reputeHippysmack has a reputation beyond repute
Default

O-ring isn't pinched / distorted?
Should it have come out with the washer or is it squished in there?

Enrichener adds gas to the mix unless you're way lean it ought to run with it out.
__________________
Reference the XLFORUM'S Sportsterpedia for additional technical information & advice

In Search of Fuel, Sunshine and a Steady Idle.
Reply With Quote
  #44  
Old 4 Days Ago
Toejam503's Avatar
Toejam503 Toejam503 is offline
Air-Cooled Forever
 
Join Date: May 2010
Location: Dakota Territory
Posts: 1,684
Sportster/Buell Model: XL 1200 C
Sportster/Buell Year: 2006
Sportster/Buell Model #2: (Prev.Own)XLH Milw.Spec.
Sportster/Buell Year #2: 1981
Reputation: 2939900
Toejam503 has a reputation beyond reputeToejam503 has a reputation beyond reputeToejam503 has a reputation beyond reputeToejam503 has a reputation beyond reputeToejam503 has a reputation beyond reputeToejam503 has a reputation beyond reputeToejam503 has a reputation beyond reputeToejam503 has a reputation beyond reputeToejam503 has a reputation beyond reputeToejam503 has a reputation beyond reputeToejam503 has a reputation beyond repute
Default

Well, it needs fuel, air, and spark to run. Does it still have the VOES? (vacuum operated electric switch) It controls idle and rpm's under load.
Reply With Quote
  #45  
Old 4 Days Ago
Matt Black Matt Black is offline
Greasemonkey
 
Join Date: Jun 2017
Location: Louisville, KY
Posts: 147
Sportster/Buell Model: XLH 883
Sportster/Buell Year: 1995
Reputation: 125220
Matt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud of
Default

Quote:
Originally Posted by Hippysmack View Post
O-ring isn't pinched / distorted?
Should it have come out with the washer or is it squished in there?

Enrichener adds gas to the mix unless you're way lean it ought to run with it out.
I don't think it's pinched. It looked ok. What I could see while looking up the hole with a magnifying glass and flashlight anyway. I know when I rebuilt the carb, the original o ring wouldn't come out, I had to pull it with a pick.

I thought it was lean because it wouldn't run with it in? That was the original issue.
Reply With Quote
Sponsored Links
  #46  
Old 4 Days Ago
sportsterdoc's Avatar
sportsterdoc sportsterdoc is offline
Senior Master Custom Bike Builder
 
Join Date: Apr 2012
Location: Mojave Desert
Posts: 13,247
Sportster/Buell Model: 1200S
Sportster/Buell Year: 2002
Sportster/Buell Model #2: XLH883
Sportster/Buell Year #2: 2003
Reputation: 5350604
sportsterdoc has a reputation beyond reputesportsterdoc has a reputation beyond reputesportsterdoc has a reputation beyond reputesportsterdoc has a reputation beyond reputesportsterdoc has a reputation beyond reputesportsterdoc has a reputation beyond reputesportsterdoc has a reputation beyond reputesportsterdoc has a reputation beyond reputesportsterdoc has a reputation beyond reputesportsterdoc has a reputation beyond reputesportsterdoc has a reputation beyond repute
Default

Did you check the float level?
It may be low.
Reply With Quote
  #47  
Old 4 Days Ago
Hippysmack's Avatar
Hippysmack Hippysmack is offline
XL FORUM TEAM MEMBER
 
Join Date: Jul 2014
Posts: 3,956
Sportster/Buell Model: Xl1250S
Sportster/Buell Year: 98
Other Motorcycle Model: Kawasaki Vulcan 500
Other Motorcycle Year: 95
Reputation: 3251396
Hippysmack has a reputation beyond reputeHippysmack has a reputation beyond reputeHippysmack has a reputation beyond reputeHippysmack has a reputation beyond reputeHippysmack has a reputation beyond reputeHippysmack has a reputation beyond reputeHippysmack has a reputation beyond reputeHippysmack has a reputation beyond reputeHippysmack has a reputation beyond reputeHippysmack has a reputation beyond reputeHippysmack has a reputation beyond repute
Default

It still seems like an air leak to me as IXL2Relax mentioned.
(assuming you're sure about the float level as you mentioned)
Did you leave the intake to head bolts loose and install the carb first before tightening them all down?
What color are the plugs?

Try increasing the idle speed screw just to get her to idle for diagnostics?
How's the timing?

Last edited by Hippysmack; 4 Days Ago at 01:55..
Reply With Quote
  #48  
Old 4 Days Ago
Matt Black Matt Black is offline
Greasemonkey
 
Join Date: Jun 2017
Location: Louisville, KY
Posts: 147
Sportster/Buell Model: XLH 883
Sportster/Buell Year: 1995
Reputation: 125220
Matt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud of
Default

Quote:
Originally Posted by sportsterdoc View Post
Did you check the float level?
It may be low.
I checked it with a plastic protractor we had from back when my kids were in grade school. The float seam was level at just under 20deg (by eyeballing through the protractor) and the height was at the top of the range, 0.450 or so measured with the depth gauge on my dial caliper.
Reply With Quote
  #49  
Old 4 Days Ago
Matt Black Matt Black is offline
Greasemonkey
 
Join Date: Jun 2017
Location: Louisville, KY
Posts: 147
Sportster/Buell Model: XLH 883
Sportster/Buell Year: 1995
Reputation: 125220
Matt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud of
Default

Quote:
Originally Posted by Toejam503 View Post
Well, it needs fuel, air, and spark to run. Does it still have the VOES? (vacuum operated electric switch) It controls idle and rpm's under load.
It does.
Reply With Quote
  #50  
Old 4 Days Ago
Matt Black Matt Black is offline
Greasemonkey
 
Join Date: Jun 2017
Location: Louisville, KY
Posts: 147
Sportster/Buell Model: XLH 883
Sportster/Buell Year: 1995
Reputation: 125220
Matt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud ofMatt Black has much to be proud of
Default

Quote:
Originally Posted by Hippysmack View Post
It still seems like an air leak to me as IXL2Relax mentioned.
(assuming you're sure about the float level as you mentioned)
Did you leave the intake to head bolts loose and install the carb first before tightening them all down?
Yes, the very first time when I replaced the intake seals. Since then I've just been pulling the carb and sticking it back on there without messing with the intake.

Quote:
Originally Posted by Hippysmack View Post
What color are the plugs?
Haven't pulled the plugs yet, I'll do that next.


Quote:
Originally Posted by Hippysmack View Post
Try increasing the idle speed screw just to get her to idle for diagnostics?
I did, but probably not enough. I can get it to stay alive by revving it right before it dies.

Quote:
Originally Posted by Hippysmack View Post
How's the timing?
Other than me not being able to push in the enrichener all the way, the bike was running good before I pulled and cleaned the carb. I have no reason to think it's shifted.
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 11:43.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2019, vBulletin Solutions Inc.
XL Forum® - Linson Media LLC