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Old 06-29-2009, 10:49 AM   #31
TommyHotWheel
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The TL engine was fugged by Suzuki, I think the engines they sold to Bimota and some others even made in the area of 120 rear wheel, but I am not sure. Just the airbox mods were shown to improve the power by almost 15% if I am remembering correctly.
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Old 06-29-2009, 10:54 AM   #32
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Here's one source...

TL1000R ('98) 121.1 @ 9000 74.9 @ 7250 10.76 @ 129.1

http://www.motorcyclistonline.com/pe...lts/index.html
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Old 06-29-2009, 11:35 AM   #33
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Quote:
Originally Posted by TommyHotWheel View Post
The TL engine was fugged by Suzuki, I think the engines they sold to Bimota and some others even made in the area of 120 rear wheel, but I am not sure. Just the airbox mods were shown to improve the power by almost 15% if I am remembering correctly.
ok but you do understand why I'm having problems believing that. more power sells, winning races sells, winning at the local drag strip sells, they know this. they spent a lot of money to develop and produce them, why would they take one of it's balls off when it goes into production?
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Old 06-29-2009, 11:44 AM   #34
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Quote:
Originally Posted by zed View Post
ok but you do understand why I'm having problems believing that. more power sells, winning races sells, winning at the local drag strip sells, they know this. they spent a lot of money to develop and produce them, why would they take one of it's balls off when it goes into production?
The potential of an engine is almost never achieved when its rushed into production and thrown into a package. Between the restrictive exhaust, smog ports, stupid exhaust valves, airbox that barely let it breathe and a charging/electrical system that could barely light a fart, the potential was there. The reason the mods are so effective is because they had to do so much to choke it to sell it. Also, I have never seen(until lately) a factory put out a WSBK or MOTO GP horsepower bike for the general public. The engine in the TLS was the same, but down in horsepower, so detuning an engine is not that crazy to imagine. Here is a number a lot of the guys I read quoted I cant fint the stock dyno sheets from all those years ago. Not a dyno sheet, but a british magazine with crank numbers and after Yosh pipes...
http://http://www.motorcyclespecs.co...1000r%2098.htm

Here is a high dyno sheet...http://http://www.sportrider.com/per...photo_126.html

Factory pro...
http://http://www.factorypro.com/dyno/true1.html

I just found this...
http://http://www.yoshimune.com/TL1000R/
Here is a discussion on fudging the numbers and dyno pulls...
http://http://www.tlplanet.com/forum...p?t-11614.html

I realize most of these show higher stock numbers, so that will screw the gain percentage, but not the overall horsepower numbers.
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Old 06-29-2009, 11:51 AM   #35
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Honestly though..


The manufacturer of my exhaust claims 105 at the wheel with it. The bike only makes 103 at the crank.

I know that they're full of shit about it. They just ran the dyno until it said what they wanted to see.

I've heard of bone stock 1000s dynoing 190 at the wheel. That doesn't make it so..

A base line run, then a run with the mods is the only way to know for sure.


There's a guy right now on a buell forum who dynoed his bike at 65 to the wheel. Everybody else claims to have 85 to 90. Who's right? They both aren't. There's so much descrepancy between dynos that having the wheel sit on the drum wrong can lower or raise your numbers by a lot.

But, a twin 1000 from 10 years ago putting down comparable numbers to a new i4 1000 with just minor mods is very very hard to believe.
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Old 06-29-2009, 12:06 PM   #36
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The numbers we are getting with our 10 year old, highly modified bikes are no where near a new I-4 liter and even some 600s make more power, but noone said we were getting those numbers. We are talking about sizable gains without an engine teardown or machine work because the engine was not released with the ability to make power to its full potential. If you knew how far these guys went to come up with these minioscule mods and crazy, feverish and rabid love of these bikes, you would see how they squeeze every bit out of these engines.
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Old 06-29-2009, 12:16 PM   #37
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there can be a difference in numbers on the same dyno between bike numbered 101 and 102. tightness of bearings ect...
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Old 06-29-2009, 12:37 PM   #38
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I couldn't get any of those links to work...
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Old 06-29-2009, 03:02 PM   #39
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Quote:
Originally Posted by zed View Post
there can be a difference in numbers on the same dyno between bike numbered 101 and 102. tightness of bearings ect...
Thats why as a general rule, I use an average or the smaller number. I will try to get some links, they stopped working for me too.

Here is a dyno run by sport rider that I believe was way high, but then it would also show that a bump up to 150 HP is not as far fetched as some would believe.
Attached Images
File Type: jpg 146_z+2000_tl1000r_dyno_chart+.jpg (40.8 KB, 13 views)
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Old 06-29-2009, 03:20 PM   #40
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Quote:
Originally Posted by TommyHotWheel View Post
Thats why as a general rule, I use an average or the smaller number. I will try to get some links, they stopped working for me too.

Here is a dyno run by sport rider that I believe was way high, but then it would also show that a bump up to 150 HP is not as far fetched as some would believe.
I was thinking they were making about that at the crank. Not the wheel. That's why I couldn't wrap my head around it.
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