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Discussion Starter #1
Well I plan on getting a rc51, I already have a 2007 r6 it has a full sato ti. exhaust pc3 (custom mapped) and dynoed at 117hp. Never roda a 51 but the looks and sound got me hooked. I know its subjective being a rc51 forum but will I be dissapointed with the 51 over the 6? Also got to decide which is gonna be my track bike, I already got 3 trackdays on my 6. If the rc51 is gonna be my track bike im gonna buy a salvage title for cheap and for street gonna find a nicer one. Oh and still making payments on the 6. Thanks for the input.
 

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My preference, I like liter bikes, whether 4 cylinders or twin. It's the torque that does it for me. Less shifting and less throttle wrap make riding these things a piece of cake. My RC 51
without a doubt, is the easiest bike I've ever owned to operate fast. It just is SO INTUITIVE, STABLE, and fun to ride. I was amazed how quickly I could recover the machine, after having my front tire kick in sand! It's an awesome package whether on the street, or track.

John
 

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Care to elaborate?
The R6 is WAY lighter and with a good map is putting down at least 115hp. Right there is a winning recipe that the RC can't compete with.

Lets face it, the RC is a big fat pig and unless you're willing to toss thousands of dollars at it, it will always be a big fat pig (however, I love my fat pig). If you're looking for a track weapon, the R6 is going to be at the top of the list (just look at the club racer results).
 

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You know, when the RC came out in '00, I looked over the specs and was trying to decide whether to purchase a CBR 929RR, or the RC 51. Over and over the CBR came out WAY BETTER than the RC 51, lighter weight by 30 lbs, 160Hp at the crank, compared to 130 at the crank for the RC, $500. more MSRP for the RC. PLUS, DEALERS WERE OVER-CHARGING by $1000 plus for the RC! I bought a beautiful Pearl White/Red CBR 929 and was convinced I had the better motorcycle. 8 years later, and many happy miles on the CBR, my 22 year old son pesters me for the CBR, he has eyed that bike since it came home new, and he was 14. This year I gave in and sold him the bike, "as long as i could find a clean RC, was the condition". I found my 1300 mile bike, and the rest is history. The RC is magic! It's heavier, but doesn't feel it, it feels MORE NIMBLE that the 399lb CBR, the bike is a pleasure to push through corners. Not that the CBR was bad, it was incredible, this bike is just BETTER. My RC has the sprockets changed so the low end feels great, and the bike pulls like an animal to the rev limiter. I also like the way the RC GRIPS AND CLAWS out of corners, it just digs in and grunts without slippage in the rear. It reminds me alot of my '98 VFR 800Fi, both bikes have that crazy torque in corners that hoists the front wheel when layed over......COOL!!! I'm not a racer, I'm just a 52 year old back-road-banger who lives in the heart of the Appalachians, loves ripping through corners in the mountains, and has been riding since 1972!!!! I can't tell you which bike is better, but I can tell you this, I LOVE THE RC, and I won't miss the more powerful, lighter, CBR 929!
BTW, did you realize the CBR 929 weighed only 373 lbs without fluids? It weighed only 3 LBS more than the CBR 600 F4I!!!!! AND, it had tons more HP!!
Bikes have personalities, I chose the CBR over the R1 in '00, I test rode each 3 TIMES!!!! My dealer thought I was nuts!!! The CBR just felt MORE BALANCED, and the power came on in a more usable fashion. To each his own. Try an RC though, that has had it's sprockets changed to a 15 front and 42 rear, it's the only true way to evaluate the bike, the stock gearing is for the steady 100 mph environment of the track.

John
 

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Care to elaborate?
The best analogy I can give you is motocross bike today. I grew up racing 2 strokes in the 70s and 80s. If you remember, you gotta shift 'em a lot to keep 'em in the power band. With my new CRF450R, leave it in 2nd and twist!!!!
Much like the new 4 strokers, the power delivery is way more linear on the RC when compared to a 600, but njracer is right: the new 600s, when tuned and dialed in, will spank any RC51.
But in fairness, my RC is '02 technology ('03s don't differ from the '02). Compare that to '08 technology??? Apples to oranges. When I compare my '03 "fiddy-one" to an '03 600, no contest, IMHO.
I think you will have way more fun on the RC (coolness factor) for a street bike and track out that R6. You've already got a good start on the 6. The drawback is: $$$$. Can't help ya there. Finding a clean, well appointed SP-2 today won't be a cheap venture.
I hope this helps.
 

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Discussion Starter #8
Well I found some sp-2's for sale in the 5 to 8k range and am looking to buy in the next month or so. Its just that there is no one nearby with a rc that I can test ride. I figured my 6 would out handle the rc51... But im no pro I dont think I could push either bike to its limits, I think the rc51 would be the easier one to push as from what Ive heard its so stable and well rounded, as well as the fact you need not redline the piss out of it like the r6 to make good times. I know its not fair to compare the two given the big gap in weight and technology. How comfortable is the rc51 on the street, does it overheat alot in the city?
 

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I'm 6' 2", 235 lbs, and I find the RC very comfortable, the bars are very low, and the pegs high, and slightly forward. I do have a unique physique, I have only a 32" inseam, so my legs are relatively short for my height, which means I'm tall from the torso, so low bars are easy, and my legs don't cramp. My RC 51 doesn't overheat in traffic, but I don't think ANY sportbike is comfortable in a stop and go situation, KEEP ME MOVING PLEASE!

John
 

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Your R6 will CRUSH the RC on the track.....plain and simple.
I disagree to an extent. The rider would decide a win in this case.

The R6 is WAY lighter and with a good map is putting down at least 115hp. Right there is a winning recipe that the RC can't compete with.
But a stock 51 is putting down what 125hp maybe alittle less. What were the tq #'s on the r6? Probably 55ft/lbs and the 51 stock is 75ft/lbs. Sounds like the R6 might get beat to me. Throw a pc with a good map and a couple of good cans on the rc and the yamaha is coming in a distant 2nd.
 

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I disagree to an extent. The rider would decide a win in this case..
Same rider on both bikes and I'll bet you the R6 does the fastest lap times. The RC51 is a big FAT (heavy) pig...plain and simple.



But a stock 51 is putting down what 125hp maybe alittle less. What were the tq #'s on the r6? Probably 55ft/lbs and the 51 stock is 75ft/lbs. Sounds like the R6 might get beat to me. Throw a pc with a good map and a couple of good cans on the rc and the yamaha is coming in a distant 2nd.
Having a bit more HP and TQ does not mean faster times. The RC weighs about 70lbs more than the R6. Getting that extra 70lbs around the track is going to take a lot of effort and that makes it hard on the rider.

Trust me, I love the RC but the reality is the newer 600's will crush the RC on the track. I've been racing with CCS and WERA for 13yrs and I think I know what I'm talking about. If the riders are equal, the outcome of the race will be the same every time....the R6 will win.
 

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Thats the good thing about public forums, everyone can have an opinion but I still disagree. The #'s support the 51. It dont take alot of power to move 70 extra lbs around.
 

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Thats the good thing about public forums, everyone can have an opinion but I still disagree. The #'s support the 51. It dont take alot of power to move 70 extra lbs around.
But it does take longer to slow, flick, turn, accelerate that extra 70lbs.
 

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I'll defer to NJRACER's 13 years, which I don't have. I do have enough track time to make these subjective observations from my experiences: The lighter 600's are far more flickable into the corners. No doubt. I on the other hand have a bike that's rock solid in the corners and whose behavior is extremely predictable. It's also far more forgiving than almost every other bike I've ridden. It will tolerate my incorrect inputs FAR better than any 600 I've had the pleasure to have known. And I haven't even gotten to the best part, the monster torque. I've been taken in the corners by the lighter bikes only to spank them like a newborn coming out of the turn. I've even gotten the "where the hell did you come from. I just passed you?" stare a few times. IMO: Stability/Predictability=Confidence=SPEED
 
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