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Sportster Motorcycle Engine Conversions Advice, questions, and tips for 1200, 1250, 1340, 1450 etc... for Sportster and Buell motorcycle engine conversions

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  #1  
Old 14th October 2018
jkinkade jkinkade is offline
Chief Harley Engineer
 
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Sportster/Buell Model: XLH 88" 2003.
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Default 03 xlh 88"

well my 88" build, fired up quick & easy, Axtell iron barrels, Hammer 560 impact cams, JE flat tops 10.5 comp, wood's Rebel 43.5 CV , Hammer Sledge offset Aircleaner, tappered end Duel pipes. gear box set up for quick shifts & rebuilt, flywheels trued balanced and press fit pin welded. twin tech adjustable cone ignition . forks have race tech springs & gold valving, have Ohlins 14.5" shocks set to my weight. has late 2018 EFI heads larger intake valves stock size exhaust . am very happy as has taken 6 months to get it all together & fired up & it fired easy and first try. will do heat cycles next week and start riding in two weeks. then will test it at drag strip.
sorry don't know how to post pic's.
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  #2  
Old 14th October 2018
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harley506d harley506d is offline
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Sounds good!
There is a sticky about posting pics.
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  #3  
Old 14th October 2018
jkinkade jkinkade is offline
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Sportster/Buell Model: XLH 88" 2003.
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Originally Posted by harley506d View Post
Sounds good!
There is a sticky about posting pics.
thank you , I'll have to read up on it.
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  #4  
Old 14th October 2018
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Sprtstr1200s Sprtstr1200s is offline
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I'm Jealous! You don't know how bad I want to do a 88inch number on my bike. CHEERS. By the way, "Sheila" is doing well. Getting big and eating me out of house and home. Thank God she finally got her big girl teeth!!!!!

Last edited by Sprtstr1200s; 14th October 2018 at 13:49..
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  #5  
Old 14th October 2018
t120r t120r is offline
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Sportster/Buell Model: xl883r
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I'm seriously debating 88ci or 90ci on my bike as well. I think today may be the last day of riding as it's near freezing overnight now.
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  #6  
Old 14th October 2018
jkinkade jkinkade is offline
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Sportster/Buell Model: XLH 88" 2003.
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Quote:
Originally Posted by t120r View Post
I'm seriously debating 88ci or 90ci on my bike as well. I think today may be the last day of riding as it's near freezing overnight now.
you should do it!
I had the JE flat top piston skirt's dry lube coated, but if I was in USA I would have the same skirt coating Mat had done to his 90" Hammer. just no one in Australia does that coating & the dry lube coating has worked well in the past & I've used the guy that does it before for ceramic coating to pipes and dry lube to piston skirts.

I'm not worried about HP & TQ it makes, just want it nice to ride & handle the twisties. as I live in a hilly coastal area. I also want to take it too the track drag race with stock frame stock length swing arm, stock shift, stock forks stock spoke wheels. as I'm old school and I believe they should be all Harley except for the internal & engine mods & I also believe , you need to be able to ride the bike W O T , as you have it, or you got it wrong. that's what I call old school. it even still has 130 . 90 X 16" rear Avon tire & the stock 19" spoke front, so bike stock rigid sporty weight, plus the heavy Axtell barrels.
I'm also an old man!! but if I can ride it to the track & do a high 10 second quarter mile, I'll be a happy man, & even happier if I had to ride it 500 mile to the track to race & all smiles if it then gets me the 500 mile home!!
still stock gearing & belt drive ( bit smoother than chain )
but talk easy. doing it is very hard!!
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  #7  
Old 16th October 2018
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splineman splineman is offline
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Great stuff jkinkade....
Pics mate need pics....
Cheers

Sent from my Pixel using Tapatalk
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  #8  
Old 16th October 2018
t120r t120r is offline
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Originally Posted by jkinkade View Post
you should do it!!
This site is a bad influence. Just bought a boring head for my Bridgeport to open up the spigots.
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  #9  
Old 16th October 2018
jkinkade jkinkade is offline
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Originally Posted by splineman View Post
Great stuff jkinkade....
Pics mate need pics....
Cheers

Sent from my Pixel using Tapatalk
Hey Splineman, can't seem to post pic's here, but on HD forums au I have a thread on the build with all the pic's.

how many k's have you done on yours now?
and what clutch did you finish up using?

cheers
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  #10  
Old 16th October 2018
jkinkade jkinkade is offline
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Sportster/Buell Model: XLH 88" 2003.
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jkinkade has much to be proud ofjkinkade has much to be proud ofjkinkade has much to be proud ofjkinkade has much to be proud ofjkinkade has much to be proud ofjkinkade has much to be proud ofjkinkade has much to be proud ofjkinkade has much to be proud ofjkinkade has much to be proud ofjkinkade has much to be proud ofjkinkade has much to be proud of
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Quote:
Originally Posted by t120r View Post
This site is a bad influence. Just bought a boring head for my Bridgeport to open up the spigots.
that's great news!!
my cases where resized on a Bridgeport with a micro bore.
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