250s in a 125 frame on a CBT???

[icantthinkofa...]

Hey everyone.. I have just made an account and I wanted some modern and up to date advice from modern motorcyclists like you (i hope :3)

Basically I was scouring through Gumtree and in my local area (searching for Hyosung GT125r, I happened to find a Hyosung GT250r which has been registered as a 125cc motorcycle and apparently rideable on a CBT!

As the typical arrogant 16 year old that I am, I was very close to purchasing it for my birthday in August. Something drew me back though to seek proper advice before/ if i do even buy this bike.

Thanks a lot guys

[Tamsin]

bad plan. Even if its registered as a 125 you are still riding illegally and if you do bin it into the back of a bus you can bet your insurer won't be paying out...

[icantthinkofa...]

Do you know what the consequences would be if I got pulled over (say for just a vehicular check).

[herulach]

as above, if you're going to do that, you might as well just get an R1, it'd be just as illegal to ride.

Penalties will include all manner of bum raping
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YBR 125>FZS600

[icantthinkofa...]

That doesn't sound particularly enjoyable, as I was expecting..

Do you think it would be a better idea to just get a Yamaha YZF r125 instead and then try to make it faster?

[G]

Isn't it "just as illegal" to do 180mph in a 30 limit as 31mph?

If you get found out, you're likely to get the book thrown at you.

Seeing that the bike you're looking just about makes the power of a derestricted 125 2 stroke sports bike, but is a lot heavier; instead I'd go for that option. It's "less naughty" and less obvious, while being easiler to claim ignorance. Also more fun not riding a farting heffer!

[icantthinkofa...]

I did find a Cagiva Mito 125 2 stroke around 100 miles away from me (This is my favourite 125cc bike ever) but it supposedly only has 5500 miles on it and I am unsure how it could have so little for a 1999 model. Also do you think it would be reliable to own after 17 years of it being built..

[Tamsin]

Its unlikely that your average Joe Plod would spot it, but a clued up copper might.

In the event that you do get discovered by plod you run the gamut of Driving otherwise than in accordance with your license (up to £1000 fine and 6 points), driving without insurance (£300 and 6 points if you accept the coppers view, unlimited fine and disqualification if it goes to court) and for logbook irregularities

So, as a (17 year old by the time you are riding it on CBT) can you afford to risk £1300 and 12 points and potential disqualification just for riding a slightly faster bike?

And if you do crash it into someone the costs of their claim would then be on you (well, your insurance policy would pay it and then claim it back from you, after they have cancelled your policy)

Insurance cancellation is a declare for life thing too, so your entire life you will have to tell all vehicle insurers that you were naughty when you are 17 and your policy costs will rise dramatically as a result.

Get a 125, bide your time and get a bigger bike when you are legally allowed to.

[Tamsin]

[Tierbirdy]

[icantthinkofa...]

It did not say if it was restricted or not. The exhaust had been changed to an Arrow so I guess it isn't restricted.

If I get a 125 like the Yammie Yzf r125, could I get away with a sprocket change, power commander, exhaust, 150/70 tyres, iridium spark plug, air filter and other things which I can't think of at this point in time ;p

All of these upgrades do increase the horsepower to some degree. I don't know what the end result is but this is what I would plan to do with it if I got one.

Would the consequence still be the same as having a 250 in a 125 frame?

[Ste]

A 250 engine in a 125 is more obvious than a derestricted 125.

"If I get a 125 like the Yammie Yzf r125, could I get away with a sprocket change, power commander, exhaust, 150/70 tyres, iridium spark plug, air filter and other things which I can't think of at this point in time ;p "

Or you could just get a two stroke 125 which'll be faster than an R125.

[Tierbirdy]

The end result would be a huge waste of time and money. You'd get no real benefit out of it. Save the money you'd otherwise waste on "upgrades" and put it towards getting your full licence and a bigger bike in a couple of years.

Doing all the shit you mentioned to a 125 will increase the horsepower by about 0.1.

[redeem ouzzer]

[Rogerborg]

Another vote for you're vanishingly unlikely to get caught, but if you do then it'll be anywhere from a to a massive points, fine, and insurance reaming.

My issue would be buying a used GT125/250R. Parts, especially 250 engine parts, are either salvage or import direct from Korea.

So 2-stoke and ride your luck, or YZF and just leave it alone. Or YBR and save up for A2.

Honestly, if you want to ride fast, you might be as well leaving it until you're 19 and going straight to A2. You can kill yourself much more efficiently that way.
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Biking is 1/20th as dangerous as horse riding.
GONE: HN125-8, LF-250B, GPz 305, GPZ 500S, Burgman 400 // RIDING: F650GS (800 twin), Royal Enfield Bullet Electra 500 AVL, Ninja 250R because racebike

[G]

[icantthinkofa...]

I basically just want something that won't scream its engine off when I do 70mph on the carriageway. I have to do 24 miles to get to my next college and roughly the same back. I understand that 2 strokes aren't good for long journeys nor are they good for fuel efficiency

[Tamsin]

[redeem ouzzer]

[icantthinkofa...]

I forgot to mention that I asked the dealer if he could fit a 183 malossi in there and he said its not strictly legal but he could do it. So this changes the whole conversation a little bit. xD sorry

[icantthinkofa...]

As deep as my pockets are.. They are not deep enough for a fire blade unfortunately.. .-.

[waffles]

Buy something you can stand riding for two years, save the money that you would be wasting on buying mods that might give you an extra half a horse and put it towards your next set of tests. Get rid of the L plates as soon as (legally) possible as that makes you go at least 20mph faster and become instantly more shaggable
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Theory test - 19/8/09, CBT - 11/10/09, MOD 1 - 16/8/10, MOD 2 - 27/10/10
Past rides Yamaha XT125X, Triumph TT600, Honda XR250
Current rides Suzuki GSXR 600, Honda MSX125

[icantthinkofa...]

Can you ride a Triumph Daytona 675 on an A2 license provided its restricted in like every way.. (exhaust, fuel, air, throttle).....

[G]

[dydey90]

If all of those upgrades do actually manage to have any affect on the horsepower, you may still receive a bumming as you're only allowed 15bhp (legally 11kW equivalent) on your CBT. I'm pretty sure the YZF125 is bob on the legal limit.
Sprocket change and tyres will not alter the power produced in any way.

I'm surprised that nobody has mentioned this yet, but a YZF125 is not what you should be looking at. Expensive, designed to look like a baby brother of the R1 and R6 and no faster than any other 125.
Get something old, Japanese and preferably without fancy plastic bits on it, because when you drop it fairings are very expensive to replace.

Save money, prepare yourself to sell abused bike in two years when you can get your A2 and get something that can rip the skin off a custard.




Oh, and there'll be a bloke called Telfon Mike along any minute now to post a 15,000 word essay on the merits of a Honda CG125, complete with various anecdotes that are mostly from 1973.
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This post is probably not serious and shouldn't be taken literally.
Past: CBR125,ER6f NINJA 650, ZZR600 Current: VFR750