2017 Honda CBR250RR Announced - Wrist Twisters
 
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post #1 of 11 Old 07-27-2016, 08:27 AM Thread Starter
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2017 Honda CBR250RR Announced



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Hondas Indonesian subsidiary Astra Honda announced the new CBR250RR, the production version of the Light Weight Sports Concept showcased last year at the Tokyo Motor Show. The double-R is a significant step up from the CBR250R, offering aggressive styling, an all-new Twin-cylinder engine, throttle-by-wire, selectable engine modes and other features usually expected from larger-displacement sportbikes.

At the moment, the CBR250RR has only been confirmed for Indonesia and Japan; Honda will likely introduce a larger-displacement version for western markets to compete against models like Yamahas YZF-R3 and KTMs 390 Duke.

The CBR250RR is powered by a newly developed water-cooled four-stroke parallel-Twin. No performance figures are available yet, but Honda says it is aiming for class-leading performance. A throttle-by-wire system allows for three selectable power modes to suit different needs.

The chassis is comprised of a steel truss frame with an asymmetric aluminum swingarm design with the right side shaped so the exhaust can be positioned closer to the center line, allowing for a slimmer shape and more lean angle. The swingarm is hooked up to a Pro-link monoshock with five-step preload adjustability. Up front, the CBR250RR uses an upside-down fork.

A twin-piston Nissin caliper is paired with the single 310mm front disc while a single-piston caliper is fitted to the 240mm rear rotor. ABS is optional, at least for the Indonesian market.
Read more about the 2017 Honda CBR250RR Announced at Motorcycle.com.

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post #2 of 11 Old 07-27-2016, 08:53 AM
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Selectable power modes? On a 250???



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post #3 of 11 Old 07-27-2016, 10:46 AM
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Originally Posted by crakerjac View Post
Selectable power modes? On a 250???
I can break traction on my 110, why not on a 250?

if you love your motorcycle, set it free.. if it comes back and hits you.. you highsided
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post #4 of 11 Old 07-27-2016, 12:15 PM
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This thing will be pathetic... Your 2 decade old CBR250RR will destroy it in every conceivable way.

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post #5 of 11 Old 07-27-2016, 06:18 PM
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What the hell....... That thing is at least 100cc shy of being reasonably competive. Have they never heard of KTM?

And while I'm ranting, what's up with Parallel Twins, the last few years? If Honda had made that thing with a 400cc V2 engine, putting out 45 hp, weighing 325 wet, they'd have a waiting list.

That 250 is probably not aimed at the US anyway. Probably intended for the countries with power restrictions.

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post #6 of 11 Old 07-29-2016, 07:33 AM
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Originally Posted by Sniper-x View Post

That 250 is probably not aimed at the US anyway. Probably intended for the countries with power restrictions.

it is

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post #7 of 11 Old 07-29-2016, 08:39 PM
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This thing will be pathetic... Your 2 decade old CBR250RR will destroy it in every conceivable way.
+1. On the bright side however, they at least got rid of the thumper that was in the last generation cbr, what a joke that was.

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post #8 of 11 Old 07-30-2016, 11:40 AM
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+1. On the bright side however, they at least got rid of the thumper that was in the last generation cbr, what a joke that was.
I thought the 300 was the bigger joke.

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post #9 of 11 Old 07-30-2016, 12:37 PM
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I thought the 300 was the bigger joke.
That's the thumper I was talking about. Biggest joke ever.

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post #10 of 11 Old 07-30-2016, 01:19 PM
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That's the thumper I was talking about. Biggest joke ever.
AFAIK same bike, re-sleeved for extra displacement. I found the 250r gobs easier to ride than the 250rr and a suitable entry bike for new riders. I would like to imagine my body would be in better shape had I started out on 27hp. I also don't think the 250rr is what everyone is making it out to be. The non-adjustable front suspension (seen in the videos) is the giveaway for me. From what what I can tell the 250r was given a more aggressive stance and a few more ponies under the hood. Oh, and lets not forget the ever so popular BNG.

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post #11 of 11 Old 07-31-2016, 03:01 AM
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Actually, Honda increased the stroke 8mm, making it even more of a joke than the 250. From a manufacturing point of view it has lots of advantages: no need to redesign the combustion chamber, ports, and valve sizes to optimize for a larger bore. All they need to do is reprofile the cam and program the ECU for the slightly different fuel requirements and, of course, lower the rev limiter cutoff. IOW, quick and dirty with a slightly different torque curve.

Rob

If it has already been done, it is safe to assume it is possible to do it.
On the other hand, if it has not been done never assume it is impossible to do it.
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