Sportster Models 883, 883 Custom, 1200 Custom, 883L, 1200L, 1200S, 1200 Roadster, XR1200, and the Nightster.
Sponsored by:
Sponsored by:

08 nighster upgrades

Thread Tools
 
Search this Thread
 
Old Sep 11, 2009 | 06:53 PM
  #1  
madmax442's Avatar
madmax442
Thread Starter
|
Tourer
Joined: Aug 2009
Posts: 295
Likes: 0
From: Barre,VT
Default 08 nighster upgrades

I recently bought my first bike an 08 nighster! Its my first bike ever and was curious about horepower and torque numbers for a stock 1200. I have added a set of V&H shortshots,Screamin Eagle Heavy breather ans had it reflashed. With these mods how much of an increase will I see? I just added the heavy breather and man I could feel thr throttle response and it felt like a little more Horsepower too but just curious if anyone knows numbers on these things! I'm a wrenchhead on cars and am big into modding them but I don't know **** on bikes yet.
 
Reply
Old Sep 12, 2009 | 02:40 PM
  #2  
bmxatv's Avatar
bmxatv
Elite HDF Member
Joined: Jul 2008
Posts: 4,428
Likes: 21
From: Up your block and down your alley
Default

welcome the the forum madmax. this site is a great resource so don't be afraid of the search option. it's bailed me out a few times. to answer your questions, the stock numbers on horse power and torque can be found on harley's website or by googlin' it. however, the nice warm hearted welcoming guy i am saved you a little time and searched this forum for you (thanks old fender guy).........

"The XL Evolution 1200 engine is rated at 70 peak horsepower at 6000 rpm and 79 ft. lbs. of torque at 3500 rpm, an increase of more than 15 percent over the previous XL Evolution 1200 engine."

with that said, the only real way to tell what you're kickin out now is to get it dyno'd.
 
Reply
Old Sep 12, 2009 | 02:57 PM
  #3  
Austen's Avatar
Austen
Road Captain
Joined: Aug 2008
Posts: 636
Likes: 4
From: Illinois
Default

with my sideshots and heavy breather i get 82hp and trq
 
Reply
Old Sep 12, 2009 | 04:31 PM
  #4  
madmax442's Avatar
madmax442
Thread Starter
|
Tourer
Joined: Aug 2009
Posts: 295
Likes: 0
From: Barre,VT
Default

Yeah I plan on having mine dyno'd soon! My dealer just got one in! I want to add a SE module, high perf coil, wires,plugs, and do some engine upgrades while I'm gone overseas. I've been thinking of going with a bigger bore size like the 1250cc kit from zippers or s&s but I'm not sure it's worth all the money! I might just get some headwork done and do a throttlebody but who knows yet. Its hard to believe my little 1200 makes as much power as my friends do with there 96 CU INch engines but awesome to know I can keep up!
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Ric27
Sportster Models
7
Apr 6, 2009 07:38 AM
mississippiboy
Sportster Models
12
Oct 3, 2008 05:07 AM
magnum629c
Sportster Models
3
Oct 1, 2008 07:57 PM
spuddogg
Sportster Models
19
May 4, 2008 09:21 PM
rbabos
Exhaust System Topics
5
Jan 1, 2008 07:43 PM




All times are GMT -5. The time now is 07:12 PM.

story-0
7 Times Harley-Davidson Chucked Tradition Out the Window

Slideshow: Harley-Davidson built its reputation on nostalgia, but every so often, the company took a hard left turn into the future.

By Verdad Gallardo | 2026-05-20 11:18:19


VIEW MORE
story-1
7 Surprising Harley-Davidson Products that Are Not Motorcycles

Slideshow: The bar-and-shield logo shows up on far more than motorcycles, some of the company's most unexpected products have nothing to do with riding.

By Verdad Gallardo | 2026-04-29 16:50:35


VIEW MORE
story-2
8 Best Harley-Davidson Motorcycles Ever

Slideshow: Not every Harley gets it right, but these are the ones that genuinely earned their reputation.

By Pouria Savadkouei | 2026-04-15 14:23:21


VIEW MORE
story-3
10 Worst Harley-Davidson Motorcycles Ever

Slideshow: From the troubled AMF years to modern misfires, these bikes earned reputations for reliability issues, questionable engineering, or disappointing performance.

By Pouria Savadkouei | 2026-04-01 20:01:09


VIEW MORE
story-4
Killer Custom's Jail Break Is The Breakout That Refused to Blend In

Slideshow: Killer Custom's "Jail Breaker" build focuses more on stance and visual aggression than mechanical overhaul.

By Verdad Gallardo | 2026-03-18 19:20:32


VIEW MORE
story-5
Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

Slideshow: The Swiss custom shop has taken a Harley Softail and stretched it into something so long and low that it looks closer to a rolling sculpture than a conventional motorcycle.

By Verdad Gallardo | 2026-03-07 16:15:30


VIEW MORE
story-6
Harley-Davidson Reveals Super Cool Cafe Racer Concept

Slideshow: Harley-Davidson's new RMCR concept revives the café racer formula with modern hardware-and it may be exactly the reset the company needs.

By Verdad Gallardo | 2026-03-04 12:23:37


VIEW MORE
story-7
Engraved Rebellion: Inside Bundnerbike's Glam Rock II

Slideshow: A standard cruiser becomes an intricate metal canvas in the hands of a Swiss custom house known for pushing Harley-Davidson platforms far beyond their factory brief.

By Verdad Gallardo | 2026-02-24 18:19:44


VIEW MORE
story-8
10 Motorcycles You Should Never Buy

Slideshow: There is no shortage of great motorcycles to buy, but we would avoid these ten.

By Joe Kucinski | 2026-02-19 14:50:51


VIEW MORE
story-9
10 Things Harley-Davidson Needs to Fix in 2026

Slideshow: Harley-Davidson's challenges aren't abstract; they show up in dropping shipments, shrinking dealer traffic, and strategic decisions that aren't yet translating into growth.

By Verdad Gallardo | 2026-01-13 18:33:17


VIEW MORE