OzVMX Forum
Marque Remarks => Honda => Topic started by: ba-02-xr on July 14, 2010, 04:25:30 pm
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http://www.mxworksbike.com/1981_RC125M_photos.htm
I never knew this thing existed. Twin cylinder Rudi front wow :o.
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http://www.mxworksbike.com/1981_RC125M_photos.htm
I never knew this thing existed. Twin cylinder Rudi front wow :o.
You have either been living in a cave or not buying your VMX magazines regularly enough ;D
I am a big fan of funny front ends on bikes.... though mainly on road bikes.
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I think he means the 20000rpm twin engine-Holy shite it must have sounded great. and pulled like a schooly but probably had a light switch power band.
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The front end I have seen lots. But yes 20000rpm & a twin.
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I think Yamaha tried the twin thing back in the early to mid seventies but that's the 1st I've seen from Honda. Suzuki tried it earlier again in the late sixties too.
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Featured in VMX a while ago. Very trick but banned by the FIM.
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I have seen an Italian with a twin in GPs in the early eighties. Think Ancilete ( dont think thats spelt right).
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Gotta love the factory transporter ;D ;D ;D
(http://i648.photobucket.com/albums/uu202/STG_23/020_1_800.jpg)
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I remember back in 77 or 78 when Anthony Gunter and Ivan Miller arrived at the Amaroo park Mr Motocross with their RM370s strapped into the back of 2 Suzuki Carry utes.
It must have been quite a struggle to get 2 x 370s into each Carry. And the way they negoitated the rocky terrain in the Amaroo park pits had the crowd in hysterics as the utes nearly toppled over end for end. The driver certainly had his BIG EYES on.
Ah, the life of the '70s Factory Rider!
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A looong way from todays factory transporters!!
We had Carry utes at Mayfairs in those days-did my 1st night-run car rally in one-can I say that?-spose I can now ;D ;D ;D
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Full factory works equipment and they secure the front shock resi with cable ties ::)
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I've a little more imfo on this bike.. 20000 rpm seems a little exaggerated but not saying it wasn't or isn't possible as my little '89 honda CBR 250/4 I once owned would rev beyond an indicated 21000rpm..there was absolutely no power to be had anywhere in the rev range but it sure sounded like an F1 :D
This radical motocrosser from 1980 was the result of the Honda factory’s open chequebook—and a desperate desire to see off its rivals. Born in response to Gilera‘s twin cylinder motocross bike, the Honda RC125M Twin was nothing short of a beautifully engineered technological marvel. Producing a staggering 35 horespower at 13,000 rpm from a reed-valved and watercooled, 124.99cc motor, the red rocket brought a new meaning to the word ‘screamer’. That radical ‘Ribi’ front end was seen as a worthwhile experiment after Roger DeCoster achieved some success with the design aboard a factory Suzuki RN in 1978; when DeCoster switched teams, he introduced Valentino Ribi to Honda and they bought the rights, which they own to this day. The benefit of the system was a flex- and friction-free operation, coupled to a highly adjustable and variable rate of progression—similar in effect to modern-day rising rate rear suspension systems. The downside was the staggering cost of the 19 separate components, the difficulty in setting it up, the weight, and the fact that visually, it resembles a techno praying mantis. The bike debuted at Suzuka in 1980 with Kenji Sato aboard, and had further outings in 1981 before the FIM stepped in and banned twin-cylinder bikes from international competition. A single cylinder version of this bike—once more with a Ribi front end—won the 1981 All Japan 125cc Motocross Championship in the hands of Yasuo Tofukuji.
Article courtesy of Richard Fowler from Motorsport Retro
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lc4 - they were factory cable ties though ;D
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Thats what l call a facorty works bike. (Technology) Leading link forks are much better to ride with. What reason would FIM band a bike like that, l remember back in the sixties 1967 it was, my brother Dennis rode for Kawasaki Australia on his F21M and Kawasaki bought down from Melbourne a Kawasaki 90cc Factory race bike Scrambler for him to compete in the 125 class against Gary O`Brien and Geoff Taylor, Ray Fisher.(I still have the photo of the the 2 bikes together, and the stewart on the day wouldn`t let my brother race it because it was a melbourne bike. how DUMB is that. There was a ruling somewhere in the GCR stating that a factory bike could not be used in the western centre or any centre, something like that, anyway. On the day their was a big argumment, it may have been a Lyall O`brien ruling, because he was involved in the argument with the stawart and my brother also Allen Dune MANAGER FROM kAWASAKI. ANYWAY Red tape bullshit. and jealousy l would say.
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Thats what l call a facorty works bike. (Technology) Leading link forks are much better to ride with. What reason would FIM band a bike like that, l remember back in the sixties 1967 it was, my brother Dennis rode for Kawasaki Australia on his F21M and Kawasaki bought down from Melbourne a Kawasaki 90cc Factory race bike Scrambler for him to compete in the 125 class against Gary O`Brien and Geoff Taylor, Ray Fisher.(I still have the photo of the the 2 bikes together, and the stewart on the day wouldn`t let my brother race it because it was a melbourne bike. how DUMB is that. There was a ruling somewhere in the GCR stating that a factory bike could not be used in the western centre or any centre, something like that, anyway. On the day their was a big argumment, it may have been a Lyall O`brien ruling, because he was involved in the argument with the stawart and my brother also Allen Dune MANAGER FROM kAWASAKI. ANYWAY Red tape bullshit. and jealousy l would say.
Just goes to show that some things never really change…
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I've a little more imfo on this bike.. 20000 rpm seems a little exaggerated but not saying it wasn't or isn't possible as my little '89 honda CBR 250/4 I once owned would rev beyond an indicated 21000rpm..there was absolutely no power to be had anywhere in the rev range but it sure sounded like an F1 :D
This radical motocrosser from 1980 was the result of the Honda factory’s open chequebook—and a desperate desire to see off its rivals. Born in response to Gilera‘s twin cylinder motocross bike, the Honda RC125M Twin was nothing short of a beautifully engineered technological marvel. Producing a staggering 35 horespower at 13,000 rpm from a reed-valved and watercooled, 124.99cc motor, the red rocket brought a new meaning to the word ‘screamer’. That radical ‘Ribi’ front end was seen as a worthwhile experiment after Roger DeCoster achieved some success with the design aboard a factory Suzuki RN in 1978; when DeCoster switched teams, he introduced Valentino Ribi to Honda and they bought the rights, which they own to this day. The benefit of the system was a flex- and friction-free operation, coupled to a highly adjustable and variable rate of progression—similar in effect to modern-day rising rate rear suspension systems. The downside was the staggering cost of the 19 separate components, the difficulty in setting it up, the weight, and the fact that visually, it resembles a techno praying mantis. The bike debuted at Suzuka in 1980 with Kenji Sato aboard, and had further outings in 1981 before the FIM stepped in and banned twin-cylinder bikes from international competition. A single cylinder version of this bike—once more with a Ribi front end—won the 1981 All Japan 125cc Motocross Championship in the hands of Yasuo Tofukuji.
Article courtesy of Richard Fowler from Motorsport Retro
Great read :o. If the FIM banned twins how can the Aprila run a twin now with Josh Coppins ????
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the apprillia is a production bike