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27th August 2021
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Assistant Administrator
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Join Date: Nov 2004
Location: New England, baby
Posts: 10,572 Sportster/Buell Model: XL883 w Hammer 1275 Sportster/Buell Year: 2004
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1275 Dyno Chart Reference: All 883 -1275, all 1200 - 1275 conversions
For all 1275 dyno sheets. This is for dyno sheets only, no comments they will be deleted. Thanks
__________________
XLF Rules/Guidelines
XLF Guidelines II
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(¸.•´ (¸.•´ (¸.•*´¯`*•--->Xena
Hammer 1275 w flat top pistons, 07 EFI 1200 heads with Hammer Impact Service, Hammer billet manifold, Stock carb w N65C needle & 45/185 jets, K&N AC, SE 497 Cams, 07+ oil pump w bronze pump gear, Energy 1 clutch w +15% spring, Python 3 Slip ons, Dynatek Ign Module on 28C
Last edited by xena; 28th August 2021 at 22:31..
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27th August 2021
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A Million Facts & Figures
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Join Date: Jan 2005
Location: Famous Potatoes
Posts: 10,499 Sportster/Buell Model: XL883 Sportster/Buell Year: 2007 Sportster/Buell Model #2: Buell Cyclone Sportster/Buell Year #2: 1999
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I'll kick this off with a chart especially for you Michele 
This is a chart a customer posted on FB a few days ago. - 2006 XL1200C
- 1275 kit
- IMPACT head porting
- HP560 cams
- TC88A ignition
- HSR 42 carb on a ported stock manifold
- V&H Side Shots, baffles cut in half
- S&S air cleaner
Blue is before tuning, red is after.
I'm sure you see the resemblance to a certain "other" build ... |
29th August 2021
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Biker
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Join Date: Mar 2020
Location: VA
Posts: 67 Sportster/Buell Model: xl1200ns Sportster/Buell Year: 2018
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Here is mine!
2018 Iron 1200 to 1275
Interestingly, although I have the 570 cam, my party only really starts at 4k RPM. I tell people I have a 90/90 setup.
- Dynojet powervision
- Bassani Road Rage 3
- DK Custom HiFlow 606 Air Cleaner
- Drag Specialties external breather
- 1275 kit
- Flat top pistons
- Jackhammer 570 cams
(bronze oil gear, S&S precision lifters) |
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