The Sportster and Buell Motorcycle Forum - The XLFORUM®
 

Go Back   The Sportster and Buell Motorcycle Forum - The XLFORUM® > BUELL MOTORCYCLE FORUM > Buell Motorcycle Engine Conversions
XLF Blogs XLF Arcade XLF Disclaimer/Privacy Statement/Terms Of Use

Active Threads
0 Spokes or Mags
Last Post: Eric Von Zipper
Posted On: 1 Minute Ago
Replies: 328
Views: 59,037
0 Ultima ignition
Last Post: Randy_rots
Posted On: 8 Minutes Ago
Replies: 3
Views: 28
0 Hot Chicks on Hot Bikes
Last Post: hammer6315
Posted On: 9 Minutes Ago
Replies: 9,391
Views: 1,468,129
3 Wtb, Wts, Wtt, Wtg (Ironhead)
Last Post: Gold Member
Posted On: 18 Minutes Ago
Replies: 35
Views: 203,487
0 Mag wheel corrosion
Last Post: hammer6315
Posted On: 18 Minutes Ago
Replies: 1
Views: 13
0 What Sort Of Sporty Have You Got?
Last Post: hammer6315
Posted On: 21 Minutes Ago
Replies: 1,059
Views: 279,950
0 New XL1200L from Oakland
Last Post: Jezebelle
Posted On: 28 Minutes Ago
Replies: 0
Views: 6
0 Oil Pump Upgrade '86-'90
Last Post: iNSaNeSHaNe
Posted On: 49 Minutes Ago
Replies: 42
Views: 1,358
0 This is gonna hurt.
Last Post: BWP 5p
Posted On: 1 Hour Ago
Replies: 7,587
Views: 1,427,816
5 How'd You Pick Your Username?
Last Post: Jezebelle
Posted On: 1 Hour Ago
Replies: 709
Views: 128,363
0 "The Blues" thread!
Last Post: Graywolf
Posted On: 1 Hour Ago
Replies: 851
Views: 67,899
4 What will 10 cents buy?
Last Post: Knuckles
Posted On: 1 Hour Ago
Replies: 71
Views: 20,471
0 Official XL Forum Random Image Thread (NO NUDITY!)
Last Post: Stairman
Posted On: 1 Hour Ago
Replies: 42,170
Views: 6,533,488
0 Help identifying this Seat
Last Post: brucstoudt
Posted On: 1 Hour Ago
Replies: 16
Views: 478
0 Roads I'd like to ride.
Last Post: Stairman
Posted On: 1 Hour Ago
Replies: 788
Views: 48,489
0 77 kicker engagement issues
Last Post: NHPS
Posted On: 1 Hour Ago
Replies: 5
Views: 136
0 ***DK Custom Products is Now offering the Black Headlight Grille***
Last Post: DK Custom
Posted On: 1 Hour Ago
Replies: 30
Views: 7,378
0 ***DK Custom Products - No More Mess Oil Changes + Cooler Running Motor***
Last Post: DK Custom
Posted On: 1 Hour Ago
Replies: 13
Views: 2,494
0 ****DK Custom Is Now Offering Jagg Oil Coolers****
Last Post: DK Custom
Posted On: 1 Hour Ago
Replies: 14
Views: 3,632
0 1962 High Pipe Muffler
Last Post: murph1068
Posted On: 1 Hour Ago
Replies: 10
Views: 910
0 Front MC advise
Last Post: slcharger
Posted On: 2 Hours Ago
Replies: 10
Views: 203
0 ....1
Last Post: Graywolf
Posted On: 2 Hours Ago
Replies: 4,715
Views: 235,078
0 Mid glide
Last Post: smokey 2
Posted On: 2 Hours Ago
Replies: 15
Views: 805
0 What did you do for your sporty Today?
Last Post: newroadster
Posted On: 2 Hours Ago
Replies: 5,580
Views: 648,911
0 ***DK Custom-BLACK HIGHWAY PEG CLAMPS Engine Guard-Crash Bar-Frame***
Last Post: DK Custom
Posted On: 3 Hours Ago
Replies: 1
Views: 113
0 ***DK Custom Products Introduces the Outlaw V-Stack***
Last Post: DK Custom
Posted On: 3 Hours Ago
Replies: 13
Views: 3,383
3 Wtb, Wts, Wtt, Wtg (Evos)
Last Post: Kbetts
Posted On: 3 Hours Ago
Replies: 12
Views: 69,235
0 Hottie of the day, no nudity.
Last Post: Stairman
Posted On: 4 Hours Ago
Replies: 9,108
Views: 748,127
0 Poll for the legalization of cannabis
Last Post: jcn59
Posted On: 4 Hours Ago
Replies: 428
Views: 55,616
0 Spokes and dual disc
Last Post: PetesPonies
Posted On: 5 Hours Ago
Replies: 21
Views: 680
More...
Members Birthdays
bobman, eagle101 (71), nemosengineer@yahoo.com (62), Callao (62), Dweezil (54), Dnew73, JimmyHBS (43), Ulv666 (42), 883ccXL (37), jmr1283 (35), dtschrum (31)
Sponsored Links
Reply
 
Share Thread Tools Display Modes
  #1  
Old 6th October 2016
Confused89's Avatar
Confused89 Confused89 is offline
Flat Track Champion
 
Join Date: Nov 2004
Location: South Central Indiana
Posts: 640
Sportster/Buell Model: Had a 1200 XL
Sportster/Buell Year: 2000
Other Motorcycle Model: FLHTP Electra Glide
Other Motorcycle Year: 2011
Reputation: 68636
Confused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud of
Default Buell XB9 Conversion?

I have been looking at the XB9 bikes and I come back to the same question. Can you put a 1250 kit on these? The stroke is shorter. Would the bottom of piston hit the crank? IS the only option to swap out the crank on them?
__________________
I am that socially awkward moment.
Reply With Quote
  #2  
Old 6th October 2016
Bone's Avatar
Bone Bone is offline
Senior Master Custom Bike Builder
 
Join Date: Jun 2009
Location: Medford, NJ
Posts: 10,818
Sportster/Buell Model: 1200Lr
Sportster/Buell Year: 2007
Sportster/Buell Model #2: FLHP
Sportster/Buell Year #2: 2016
Other Motorcycle Model: 13 Guzzi V7 / 11 Duc 696
Other Motorcycle Year: 2013
Reputation: 3405232
Bone has a reputation beyond reputeBone has a reputation beyond reputeBone has a reputation beyond reputeBone has a reputation beyond reputeBone has a reputation beyond reputeBone has a reputation beyond reputeBone has a reputation beyond reputeBone has a reputation beyond reputeBone has a reputation beyond reputeBone has a reputation beyond reputeBone has a reputation beyond repute
Default

They're kinda a fun motor as is, would be a shame to change that just to make what everyone else already has.
Reply With Quote
  #3  
Old 6th October 2016
Confused89's Avatar
Confused89 Confused89 is offline
Flat Track Champion
 
Join Date: Nov 2004
Location: South Central Indiana
Posts: 640
Sportster/Buell Model: Had a 1200 XL
Sportster/Buell Year: 2000
Other Motorcycle Model: FLHTP Electra Glide
Other Motorcycle Year: 2011
Reputation: 68636
Confused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud of
Default

Yes they are but I have an idea that I want to accomplish. It is still a few years down the road and will take a lot of engine work to accomplish. Just a personal goal that I want to accomplish.
Reply With Quote
  #4  
Old 6th October 2016
Sleeper Sleeper is offline
XL FORUM TEAM MEMBER
 
Join Date: Jun 2005
Posts: 3,790
Sportster/Buell Model: XL883R
Sportster/Buell Year: 2002
Reputation: 1360884
Sleeper has a reputation beyond reputeSleeper has a reputation beyond reputeSleeper has a reputation beyond reputeSleeper has a reputation beyond reputeSleeper has a reputation beyond reputeSleeper has a reputation beyond reputeSleeper has a reputation beyond reputeSleeper has a reputation beyond reputeSleeper has a reputation beyond reputeSleeper has a reputation beyond reputeSleeper has a reputation beyond repute
Default

They do make a big bore kit for the XB9. I don't know if they use the same exact pistons as the 1250cc kit or not. The piston diameter the is the same, the piston height??? I highly doubt you'd need to do any more than the top end though.
Personally I think it would be a cool project but I don't know anyone who's done it.
Displacement would be around 1050cc so the XB12 would still have the displacement advantage but I'd imagine you could rev the bored out XB9 a little farther.
__________________
Dirty Old Dog
Reply With Quote
  #5  
Old 6th October 2016
Confused89's Avatar
Confused89 Confused89 is offline
Flat Track Champion
 
Join Date: Nov 2004
Location: South Central Indiana
Posts: 640
Sportster/Buell Model: Had a 1200 XL
Sportster/Buell Year: 2000
Other Motorcycle Model: FLHTP Electra Glide
Other Motorcycle Year: 2011
Reputation: 68636
Confused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud of
Default

Good point Sleeper. I found one in my area for a good price but first I need to get a few of my other projects done first. Looks like I will be getting one before summer of next year.
Reply With Quote
  #6  
Old 6th October 2016
Sleeper Sleeper is offline
XL FORUM TEAM MEMBER
 
Join Date: Jun 2005
Posts: 3,790
Sportster/Buell Model: XL883R
Sportster/Buell Year: 2002
Reputation: 1360884
Sleeper has a reputation beyond reputeSleeper has a reputation beyond reputeSleeper has a reputation beyond reputeSleeper has a reputation beyond reputeSleeper has a reputation beyond reputeSleeper has a reputation beyond reputeSleeper has a reputation beyond reputeSleeper has a reputation beyond reputeSleeper has a reputation beyond reputeSleeper has a reputation beyond reputeSleeper has a reputation beyond repute
Default

That's cool. Should be a fun bike to ride even left stock. I have a buddy who had one years ago and he still talks about that bike today.
Reply With Quote
  #7  
Old 8th October 2016
Crash7557's Avatar
Crash7557 Crash7557 is offline
Know It All
 
Join Date: Jun 2014
Location: Long Island
Posts: 198
Sportster/Buell Model: XL1200N
Sportster/Buell Year: 2009
Other Motorcycle Model: HD Sprint SS-250
Other Motorcycle Year: 1967
Reputation: 481416
Crash7557 has a reputation beyond reputeCrash7557 has a reputation beyond reputeCrash7557 has a reputation beyond reputeCrash7557 has a reputation beyond reputeCrash7557 has a reputation beyond reputeCrash7557 has a reputation beyond reputeCrash7557 has a reputation beyond reputeCrash7557 has a reputation beyond reputeCrash7557 has a reputation beyond reputeCrash7557 has a reputation beyond reputeCrash7557 has a reputation beyond repute
Default

XB9 has the same 3.5in bore as in a 1200 sportster.
The stroke is shorter on the XB9 (3.25in vs 3.81in) but with the same size stack so the pistons shouldn't contact anything at all.
__________________
"I love the mechanicalness of it"-Indian Larry
Reply With Quote
  #8  
Old 8th October 2016
aswracing's Avatar
aswracing aswracing is offline
A Million Facts & Figures
 
Join Date: Jan 2005
Location: Famous Potatoes
Posts: 9,904
Sportster/Buell Model: XL883
Sportster/Buell Year: 2007
Sportster/Buell Model #2: Buell Cyclone
Sportster/Buell Year #2: 1999
Reputation: 2090973
aswracing has a reputation beyond reputeaswracing has a reputation beyond reputeaswracing has a reputation beyond reputeaswracing has a reputation beyond reputeaswracing has a reputation beyond reputeaswracing has a reputation beyond reputeaswracing has a reputation beyond reputeaswracing has a reputation beyond reputeaswracing has a reputation beyond reputeaswracing has a reputation beyond reputeaswracing has a reputation beyond repute
Default

The XB9 shares the same bore size and piston compression height as the 1200's. However, since the displacement is smaller due to the shorter stroke, it needs more piston dome to achieve a given compression ratio. So it's not just a matter of bolting on a 1250 kit and having 1050cc instead of 1250cc. It takes a special piston. We stock them. The cylinder is identical.

Speaking of "1050 kit", that's a really misleading name. The 1250 kit's 3-9/16 bore (3.563) only nets out to 1021cc when you put it over the 3-1/8 stroke of the XB9's crank. I got no problem with a little rounding up, all the companies do it, but 29cc seems excessive to me. I didn't name the thing though, and we're kind of stuck with it since the other companies call it this. If we give it a more honest name, people tend to assume it actually IS smaller, which it's not.

We could do the 3.600 bore of the 1275 with our special steel lined cylinder, and that would net out to 1042.5cc. Maybe we'll do that and call it a 1050. That'd be more reasonable. We haven't developed the piston for that application yet, but it's not hard.

The Buell stuff in general though is very low volume and getting lower all the time. So when it comes to making new investments in market offerings, it's pretty far down the list. Still, though, if we can leverage off the Sportster stuff and do it easily, there's no reason not to.
__________________
Click Here to Contact Me

Reply With Quote
  #9  
Old 9th October 2016
Confused89's Avatar
Confused89 Confused89 is offline
Flat Track Champion
 
Join Date: Nov 2004
Location: South Central Indiana
Posts: 640
Sportster/Buell Model: Had a 1200 XL
Sportster/Buell Year: 2000
Other Motorcycle Model: FLHTP Electra Glide
Other Motorcycle Year: 2011
Reputation: 68636
Confused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud of
Default

With heads that have the "best" work done to them and the 1021 kit installed with cams what kind of power would be expected. I know that temp and altitude makes a difference but a ballpark figure?
Reply With Quote
Sponsored Links
  #10  
Old 31st October 2016
Confused89's Avatar
Confused89 Confused89 is offline
Flat Track Champion
 
Join Date: Nov 2004
Location: South Central Indiana
Posts: 640
Sportster/Buell Model: Had a 1200 XL
Sportster/Buell Year: 2000
Other Motorcycle Model: FLHTP Electra Glide
Other Motorcycle Year: 2011
Reputation: 68636
Confused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud ofConfused89 has much to be proud of
Default

I went and did it. I found an XB9 for cheap and then I lowballed him an offer and he accepted that. I exchange money Tuesday with him for the bike. I already looked at it. It has the normal rocker box gasket leaks. 14k miles on it. I'll get pictures up here on wed.
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 00:14.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2018, vBulletin Solutions Inc.
XL Forum® - Linson Media LLC