Oh My! I bet this is fun... (KTM 690 RC4 kit)

[garry]

The text is in German, but you can sort out the weight and power easy enough. I wonder if small, sporty bikes like this would sell OK in the USA rather than putting newbs on 600cc race-reps as "beginner bikes". I bet it's huge fun on a twisty road...  

http://www.mototech.de/index.php?page=news

[bubba zanetti]

I bet that is faaaar too much fun!


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[DkKnight]

That is so tastee !!
Would be a great track day bike.

DK

[garry]

I tried putting the image in, but it's huge, and I'm busy at work. Someone needs to shrink it and post it. That bike is SEXY!

[Flyer]

Too much Au$trian pla$tic to be suitable for a newb, but very fine indeed.

[Mastros2]

I like it!    Looks like KTM is going to be releasing a lot of fun bikes in the near future.  

[Mastros2]

Google translation if anyone is interested.

KTM RC4 690R
is the latest Evostufe from the house mototech.
is based on a standard KTM Duke 690R, which was converted into the usual precision for RC4 Superbike.
The suspension was rebuilt in the fields of geometry, suspension travel and setup for the racetrack.
The result is a 125kg lighter racers with standard 70hp, which can be increased with relatively simple tuning to 80hp ..
The kit contains RC4 IMM carbon fairing incl Ram Airsystem, tank in the rear frame, forward controls, handlebars, as well as the conversion option of the complete chassis. The entire kit can be mounted without having to edit an original part. A rear mounting is possible at any time. Seating ergonomics and geometry were taken from the KTM RC 8R. The tests at the Sachsenring with Steve Mizera and Arne death showed what a great potential in the bike! Driveability and handling is important here. A street legal kit for the RC4 is available in stock and work in early 2012. The cost of the Rennstreckenkit (without installation) lie at 4800 €. For racing, we recommend the suspension depending on the conversion claim drivers / weight etc. incl springs which is 500 €

[Kneescrubber]

So what class does it race in?

[Kootenanny]

I would f*cking love one of those--I was semi-seriously looking at the 690 Duke, but this...

[R Doug]

For sale. Used GSXR track bike.  

[HipGnosis]

I wonder if the suspension kit can be fitted to the Duke...

But I have bad memories of big singles.

[garry]

Just to be clear, this bike isn't available from KTM, it's a custom/kit bike from mototech that is based on the 690 Duke. It would be cool if KTM took the hint and built something like this.

[keppyou812]

Amen, Brother!!!!   That thing looks tasty...

[Windblown]

Cool looking pice of work, but then again you can put 22" rims and low profile tires on a truck and (to some) it looks good but it doesn't make it a performer.  The 690 is not the engine I would want on an open track and by setting it up with sport bike ergos they have taken away the advantages that upright seating offers on short kart type tracks.

[Mastros2]

It would be cool if KTM took the hint and built something like this.

   

[Mookie]

Cool looking pice of work, but then again you can put 22" rims and low profile tires on a truck and (to some) it looks good but it doesn't make it a performer.  The 690 is not the engine I would want on an open track and by setting it up with sport bike ergos they have taken away the advantages that upright seating offers on short kart type tracks.

I'm sure it'd be just as good as any 250 on a track, if not much better.  Same weight, way more torque.

[veefer800canuck]

67 HP stock, maybe a tad more with different intake/exhaust as pictured above.

I think it looks sexy. But on longer tracks, with long straights, it's probably going to lose out to a multi.

[garry]

67 HP stock, maybe a tad more with different intake/exhaust as pictured above.

I think it looks sexy. But on longer tracks, with long straights, it's probably going to lose out to a multi.

There's no doubt the bike will get smoked on acceleration and top speed. But think of how much fun it would be in the corners due to the uber-light weight. As Windblown notes, you could just buy the sumo version from KTM for tight tracks (like kart tracks) where the top speed is way lower.  But if you want a race-rep style bike, it's a pretty cool kit.

Wasn't there a road race series being proposed based on 450 MX engines in a custom chassis? I remember seeing some prototype photos a couple years back.

[veefer800canuck]

Yeah, there were a few examples built, IIRC. Series never got off the ground.

Roland Sands built a couple bikes as examples.

http://www.google.ca/url?sa=t&source=web&cd=3&ved=0CCkQtwIwAg&url=http%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DJH3Sdmit29Q&ei=7ML4TrwCicvRAfzunKMC&usg=AFQjCNHUw45e2tO3z7qTZv7_gJLjx4ExTg

[mugwump58]

A kit to transform a KX, oh never mind there isn't a street legal 450. I'd love to see this platform as a motard or road bike.

[Frankienuckles]

This was on sale on ebay a couple (few?) months ago on ebay. Same idea as the KTM just done with an Aprilia. It looks like a lot of fun!

[Orson]

Wasn't there a road race series being proposed based on 450 MX engines in a custom chassis? I remember seeing some prototype photos a couple years back.

I think it wuz Dog Boy who said the 450 engines weren't designed to be held wide open for long periods of time like they would be on a road race track and suffered accordingly, leading to high maintenance costs for racing teams

although, my memory could be faulty

[DogBoy]

The 450 MX engines are not the grenades they once were. They have improved in every way but, as pure race engines, are very far removed from a street bike multi-cylinder. The big knock against the 450 singles races series was the bikes cost nearly as much to build as a competitive 600 supersport for club racing. Most road racers would prefer to ride the 600ss bike on the track.

Back on topic. This KTM kit would be a very fun bike to own. Totally out of place on a kart track but it would compete with an SV650 or similar track bike. HP is close but the KTM has significantly less weight, better suspension and brakes. On a track with long the straights the SV would still have an advantage but on most tracks where club racing and track days take place, a 690 SMC with this kit would work great and be very fun to ride. The 690 engine has proven to be durable.

[phatphil]

 450mototechGP Renner Mototech, a specialist in chassis modifications from Denkendorf has placed in their own a special racing bike on the legs. The Suzuki RMZ 450 RR is based on a standard Suzuki motocross bike! The landing gear was in the fields of geometry, suspension travel, and vote for the reconstructed track. The result is a lightweight 100kg motorcycle racing with 62PS low Tuningmaßnahmem on the motorcycle. Power to weight ratio 0.62 bhp / kg! In the U.S. and in Spain there are already racing series for these vehicles. The conversion costs depending on the scale from 6.000 € and includes cover, dummy fuel tank, seat, 17-inch wheels, brake with 320mm disc and four-piston caliper, footpegs, handlebars, tachometer, triple clamps, DRD exhaust, a simple finish in black or white, and the conversion of the entire chassis. Depending on the selection of the basic vehicle and equipment (you can take almost all 450cc MX bikes) you get a true-super-lightweight racing bike for more than 10,000 € (used or new vehicle, depending on). The power to weight does not move far from a 125 or 250cc GP machines. seat ergonomics and geometry were taken in the first step of the KTM RC eighth After the tests can be very satisfied with the performance.

Power/weight ratio pretty amazing.  Thing would scream...