Diff in the name... - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 17 (permalink) Old 03-22-2011, 09:16 PM Thread Starter
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Diff in the name...

I have searched high and low and haven't come up with an answer...

May sound like a dumb question but I can't stand knowing. Why are the first gen models of the RC referred to as SP1 and the second gen referred to as SP2? I can't come up with anything logical and I know it's going to be something really dumb in the end....
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post #2 of 17 (permalink) Old 03-22-2011, 11:02 PM
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The SP1 was designed for WSBK racing back in 2000.
It won the 2000 WSBK championship, but it had problems with getting rear traction all through the season.
The teams and HRC tried various tweaks and found the chassis was too stiff.
The work around was to run without the top rear engine bolt to make the frame flex.
For 2002, all the lessons learned during the 2000 and 2001 campaigns were applied to the SP2 race bike.
The SP2 had additional frame flex built in along with other improvements added.

Many of these improvements trickled down to the street models.
The two variants look practically identical side by side except for the different swingarms.
However, under the skin they are different in subtle ways.

Different frame geometry, swingarms, engine mounts, swingarm pivot bolts, steering stem diameters, subframes, forks, battery & ECU locations, throttle bodies, exhaust ports, frame bracing, wheels, etc.
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post #3 of 17 (permalink) Old 03-23-2011, 12:11 AM
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SP1 Vs SP2

The RC51 was designed to be used by Honda's racing teams in the Superbike World Championship & Dethrone Ducatti.

The 2000-2001 models are designated SP1 while the 2002-2006 models are designated SP2 (the latter having updated fuel injection and suspension systems) A stronger, more rigid frame and swingarm were identical to the WSB race bike parts and a host of engine modifications boosted peak power by 3 kW (4 bhp) and cut weight by 5 kg (11 lb).

As Sub said very similar to look at, but very different under the skin.

The Best Thing About Pain,
It Lets You Know You're Still Alive!!

"To those who judge me, have mercy upon my soul,
for i have walked a sinful path, in my quest for clarity"

Aussie Rider with 05 SP2. Dassualt, PCIII,
Smoked d/bubble, Corbin, Flapper, Smoked h/light Covers.
Devil eye conversion. Yoshi RS3, Flush mounts, Magical Racing C/F Hugger.

http://i79.photobucket.com/albums/j1...evilseyes1.jpg

Last edited by MysteryMan; 03-23-2011 at 12:20 AM.
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post #4 of 17 (permalink) Old 03-23-2011, 12:22 AM
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I thought the OP was asking, "What does 'SP' stand for?"

'Super Pimp', right...?



Griff
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post #5 of 17 (permalink) Old 03-23-2011, 01:28 AM
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Found this on the Speedzilla site. What do you guys think?

09-20-2007, 02:37 PM
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Take the RC off of HRC (Honda Racing Corp)and that's where is comes from. Designated for the bikes that are R&D'd by HRC specifically for Racing.
SP-1 & 2 stand for Spec 1 and 2.
RVT is Racing V Twin
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post #6 of 17 (permalink) Old 03-23-2011, 01:33 PM
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Quote:
Originally Posted by jondog9 View Post
...Take the RC off of HRC (Honda Racing Corp)and that's where is comes from. Designated for the bikes that are R&D'd by HRC specifically for Racing.
SP-1 & 2 stand for Spec 1 and 2.
RVT is Racing V Twin...
Only in N.America.
In the rest of the world it's VTR1000 SP1/SP2, to differentiate it from the VTR1000F (known as the Superhawk in USA, or Firestorm outside of USA).
Nothing like commonality eh?
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post #7 of 17 (permalink) Old 03-23-2011, 05:44 PM
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Originally Posted by SubSailor View Post
Only in N.America.
In the rest of the world it's VTR1000 SP1/SP2, to differentiate it from the VTR1000F (known as the Superhawk in USA, or Firestorm outside of USA).
Nothing like commonality eh?
I think this is one of those things that get's kinda convoluted. Lot's of differing thoughts about the SP1 moniker. Especially the brits. I've read posts from UK that suggest 2000=spy? 2001=sp1 2002=sp2 2003=sp3 2004=sp4 and so on.

UKenGB seems credible in this thread. It's long, and def not conclusive. If anyone reads the whole thing, I'll give you a free puppy -- that showed up in my mail -- from Australia...

http://www.fireblades.org/forums/hon...lease-sp1.html

John, 2000 RC51 #000100

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post #8 of 17 (permalink) Old 03-23-2011, 06:44 PM Thread Starter
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Lots of good info about the generation of the name and the bike itself. I'm relieved that it's not something rudimentary that I was missing but actually something historical. Good stuff
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post #9 of 17 (permalink) Old 03-23-2011, 06:51 PM
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Originally Posted by jondog9 View Post
UKenGB seems credible in this thread. It's long, and def not conclusive. If anyone reads the whole thing, I'll give you a free puppy -- that showed up in my mail -- from Australia...

http://www.fireblades.org/forums/hon...lease-sp1.html
I can vouch for the puppy, just needed a little lovin


The Best Thing About Pain,
It Lets You Know You're Still Alive!!

"To those who judge me, have mercy upon my soul,
for i have walked a sinful path, in my quest for clarity"

Aussie Rider with 05 SP2. Dassualt, PCIII,
Smoked d/bubble, Corbin, Flapper, Smoked h/light Covers.
Devil eye conversion. Yoshi RS3, Flush mounts, Magical Racing C/F Hugger.

http://i79.photobucket.com/albums/j1...evilseyes1.jpg
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post #10 of 17 (permalink) Old 03-23-2011, 07:24 PM
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That looks EVIL !!! Poor little guy has diabetes and can't find anyone to give him his insulin

John, 2000 RC51 #000100

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