RS125 Top Speed?

[The View Askew]

[Kickstart]

[Kickstart]

[Spit-Fire]

which one came first keith, the honda or the aprillia?
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they say the good die young... i say we just live faster

[Kickstart]

[Frost]

https://www.gofasterbits.co.uk/images/rs125r_main01.jpg

You could buy this years bike and get a decent result in the British 125 championship on it, pop to the shop? I think not.


They do a 250 too:

https://www.rscycles.com/bikespecific/bike_pics/RS250R.jpg

[Spit-Fire]

[radical]

A 2000 -2004 rs250r could be had for around 3k and up to 6k for a couple of years younger, they are very powerful @ 90+bhp standard and weight less than a cg125, they are more than a match for a modern 600c four in terms of top speed and will waste the 600 on handling and braking.

[Spit-Fire]

thats not that expensive really

track bike xmas prezie

where do the rich older women in need of a toy boy hang out now days?
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they say the good die young... i say we just live faster

[Kickstart]

Hi

How good are you at engine rebuilds? Suspect the crank is meant to be replaced at under 1000 mile intervals.

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

[radical]

You would nearly need 3 complete engines at any one time and a very large wallet not to mention the best of tyres, chains and sprockets.

[Frost]

As a track bike, well if there were 3 sessions, you;d probably need 3 engines, 3 sets of tires and a team of mechanics capable of changing them between sessions, along with some set-up guys capable of setting up an interoperating telemetry to help set-up your bike, otherwise the thing is a complete waste and you'd be better off with a 600.

Yes 250's are quicker, but you need a lot of guys behind the scenes or they will fail every time.

[Spit-Fire]

i wasn't being serious .

i dont have 6k for my road bike let alone a track bike
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they say the good die young... i say we just live faster

[menz83]

I fitted my 08' RS with an Arrow pipe and everything else standard (including the can!). It was seriously quick up to around 75, but struggled past 90. I managed an indicated 95 with some room left but always eased off in fear of the engine going bang! The guy I sold it to, who is a good bit lighter than me, said he had an indicated 103mph.

Miss that bike so much. The burst of power when the PV opened was just fantastic and smoking all the neds in their corsas off the lights with your L plates on was so satisfying!. I wouldnt swap it for my 750 4t though!

[Imperial_Maniac]

[mistergixer]

https://zen.thehhp.net/zp-core/i.php?a=funny&i=clap.gif&w=480
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[Seb]

https://media.giantbomb.com/uploads/8/80093/1691244-not_sure_if_troll_super.jpg
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2010 Triumph 1050 Sprint ST

[binge]

https://i.qkme.me/3pxcye.jpg

[Snorty]

The highest speed for a MotoGP motorcycle in 125 cc category is 249.76 km/h (155.19 mph) by Valentino Rossi in 1996 for Aprilia and the top speed in the history of MotoGP is 349.288 km/h (217.038 mph), set by Dani Pedrosa riding a Repsol Honda RC212V 800 cc during Free Practice 1 at the 2009 Italian motorcycle Grand Prix.

From Wikipedia. So the absolutely tuned to within an inch of its life MotoGP will do 150mph.

I very much doubt you're going to see anything near that on a 125cc road-legal Aprilia built for daily use.

P.S. I realise this is an old thread, just wanted to throw that in there.
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Current: Yamaha FZ1 '07 | GSXR 750 SRAD

Past: CB125TDC | TZR125 | GPZ500 | CBR600F3 | ZX9-R | GSXR1000 K4

[Aspire]

Rossi holds the record for 125 top speed was 155mph

[Killer Rat]

155mph! amazing.

I couldn't believe the top speed last sunday of 222kmh which was 137mph.
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No! No more talk! We go in! We kill! Kill! We kill 'em! They kill us, we kill them! Kill 'em! Kill 'em! Kill! Kill!
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cbf125 09', cbt passed 4/6/2010 - 28k miles - 1 major breakdown (stator)

[Kickstart]

Hi

Surprising how little they have changed in speed. The 125 twin I mentioned earlier in this thread (quite a few years ago) was just a normal one and not a special factory bike and managed 142mph. Although I suppose that was geared for top speed which they probably don't bother with on most races.

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

[kestrel]

[Snorty]

Rebuild every race?
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Current: Yamaha FZ1 '07 | GSXR 750 SRAD

Past: CB125TDC | TZR125 | GPZ500 | CBR600F3 | ZX9-R | GSXR1000 K4

[Frost]

More like different motor for every track session.