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No try, do or not do
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N8's shortened R12
Nate commented in a recent thread that he had successfully shortened the R12, I guess to improve race handling characteristics. What exactly was done, and what lead you to believe this was necessary?
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2017 R1200GSW Rallye Shreddr Signature Model |
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10-04-2007, 10:10 AM
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time wasting tosser
Join Date: Oct 2003
Location: oHIo
Posts: 2,608
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???
What? |
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10-04-2007, 10:13 AM
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Registered
Join Date: Jan 2003
Location: Cross Plains, Wis
Posts: 979
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When we were at Road America Nate mentioned that they changed the A arm (R1200R I think) to shorten the wheel base.
Philip |
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10-04-2007, 10:30 AM
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Dismembered
Join Date: Nov 2003
Location: Highland Lakes, NJ
Posts: 2,139
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I think that if the parlever strut is lengthened that it will shorten the wheelbase.
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farkled '04 R1100S SOLD! 2012 Ducati Multistrada Pikes Peak (#072) "It is difficult to get the news from poems, yet men die miserably every day from lack of what is found there" WC Williams |
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10-04-2007, 11:27 AM
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Future BMW WSP Racer
Join Date: Feb 2007
Location: Shawnee, Kansas
Posts: 608
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When you have a long bike, suched as a Busa, or Kawasaki ZX-14. The bike does not turn nearly as well as the 600's, or 1000cc bikes (since they are so much shorter). I know the ZX-14 or Busa was not made to take turns. But BMW R1200S is made too. But it is too long. By shortening the total length of the bike; you are able to turn faster.
The shorter a bike is, the easier, and faster it is to turn into a corner. Two of BMW's major drawbacks are its length, and the wheelbase. They both effect performance of the motorcycle. Shorten both of them and the bike will perform better. But when you shorten the wheelbase, the bike is less stable. BMW makes the wheel base long for a reason. To keep it more stable.
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How do they do it? Why do they do it? Riding, and crashing, and riding, and winning. and always faster, and faster, and faster - Faster '01 BMW R1100S Last edited by YellowRacer; 10-04-2007 at 11:50 AM.. |
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10-04-2007, 11:32 AM
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Dismembered
Join Date: Nov 2003
Location: Highland Lakes, NJ
Posts: 2,139
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Quote:
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farkled '04 R1100S SOLD! 2012 Ducati Multistrada Pikes Peak (#072) "It is difficult to get the news from poems, yet men die miserably every day from lack of what is found there" WC Williams |
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10-04-2007, 11:38 AM
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Future BMW WSP Racer
Join Date: Feb 2007
Location: Shawnee, Kansas
Posts: 608
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Quote:
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How do they do it? Why do they do it? Riding, and crashing, and riding, and winning. and always faster, and faster, and faster - Faster '01 BMW R1100S |
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10-04-2007, 11:49 AM
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Registered
Join Date: Sep 2005
Posts: 705
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Some retro fitting! lol The bike just turns way better now. Paralever arm is the stock. The problem is once we pull the tubes up in the lower triple, it does turn in quicker, but you lose head clearance. We have found a happy medium there.
Jack your rear shock to the moon, all the ride height you can get, the bike will turn way better. There is still fine tune dampning involved though. Have a good one! N8! |
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10-04-2007, 01:37 PM
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No try, do or not do
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I can't think about the R12 turning better just now, because I am already in the honeymoon period. My R12 turns so much better than the R11 that I feel like the bike knows what I want to do before I do it. If it gets better than this, then God help Ducati owners! I felt like I directed the R11 through the turns, on the R12 I just follow it's excellent lead. This is one phenomenal bike!
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2017 R1200GSW Rallye Shreddr Signature Model |
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10-04-2007, 02:03 PM
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I wanna Live 'til I die!
Join Date: Aug 2006
Location: Sun Diego
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...it's not just wheelbase, it's trail as well... hence Nates comment on pulling the tubes up in the lower tripple... you shorten the trail that way and it makes the bike a little more nervous but steer in quicker... Ducati had a different solution for a few years, the adjustable steering head... yet, most people left it in the longer wheelbase configuration or went back to it... it's a trade off, longer wheelbase gives you more stability in faster turns and straightaways but the bike gets rebellious in tight and slow turns... and vice versa... I personally like anything from 40 to 120 MPH... so, the donkey is almost ideal for me... the rest is between the ears!
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Light travels faster than sound. This is why some people appear bright until you hear them speak... https://www.facebook.com/Uncommon-Adventures-by-Rick-Ralf-681965548931729 2005 R1200GS - 2006 Suzuki DR650 - 2011 Husky TE250 - 2014 KTM690 Enduro - 2022 Husqvarna Norden 901 |
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10-04-2007, 02:35 PM
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Black Beauty
