Going to buy a different 125cc motorcycle Aprilia RS?

[Untitled1995]

I think the junk skyjet sj125 is getting dumped this week and im going to buy a new bike. Well not a brand new but a new one for me.

The Aprilia RS 125 has really caught my eye. It just has such good looks for such a small bike but my research shows these little 2 strokes are unreliable.

Most of the 2004-2010 models seem to have 6000 or less miles on the clocks. This is not much and makes me think they might not be suitable for my riding needs.

So just how reliable are these bikes? what sort of miles can you get out of them before needing a rebuild realistically?

I ride about 20 miles a day to and from work. And each weekend i do a 80 to 100 mile round trip because my girlfriend lives a fair distance away. Would the RS even stand up to this sort of usage?

Any other recommendations for a sporty looking bike that will withstand these sort of conditions? Im going to be keeping it a while so i do care about how it looks.

Please, anything that can get over 50mph. Its fucking embarassing being stuck at 50 on 70 roads

[SophR so good]

Are you looking at 125s because you're on a CBT? If so the RS125 isn't legal so you may as well get a busa.
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[Kickstart]

Hi

The RS125 is learner legal in restricted form, although a lot are derestricted.

Reliability wise, depends how you treat them. Think the service schedule says to check the rings every 8000km (5000 miles). To do that properly really requires stripping the top end of the engine, so you may as well replace them. New rings are cheap, but a ring failing can easily snap and trash the barrel.

All the best

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

[Untitled1995]

[Untitled1995]

[RhynoCZ]

Do you want to ride the motorcycle or spend some quality time in your garage rebuilding it all the time?

Word of wisdom; run premix only, disable the oil pump. Thank me later.
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'87 Honda XBR 500, '96 Kawasaki ZX7R P1, '90 Honda CB-1, '88 Kawasaki GPz550, MZ 150 ETZ
'95 Mercedes-Benz w202 C200 CGI, '98 Mercedes-Benz w210 E200 Kompressor

[Untitled1995]

[M.C]

[Kickstart]

Hi

Changing the rings is a gentle afternoons work, although personally I would do then at 6000km (having had them fail at not much more than that).

As to the oil pump, no way would I run premix instead. Done a lot of miles on 2 strokes and never had a pump fail, but at least with a pump I don't have to worry about the engine getting virtually no oil when the throttle is closed.

Tbh, the big advantage is the performance and restricted you are missing out on that.

All the best

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

[RhynoCZ]

Well, it's an Italian two stroke, that once was the go to bike for all the boy racers out there.

A two stroke is a nice novelty, but not very practical. A CG 125 would make a better commuter + cheaper to run and maintain. If you still want a two stroke, try one of the finest Soviet era two strokes from the DDR and Czechoslovakia. Those do not require much to keep the good times roll.

But, I'm gonna tell you this, if you want a RS 125, buy one (or a NSR 125). Life is too short to be reasonable all the time and the odds are it'll be just fine. Don't mess up the petrol-oil mix ratio (I would disconect the automatic lube system and run premix). Let it warm up before you rev the tits out of it and just have fun.

* A CZ/Jawa/MZ would take much more abuse before the engine would stop. Plus, spares are so cheap it's even not worth it buying used ones. MZ is the best of those 3, suspension and brakes wise.
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'87 Honda XBR 500, '96 Kawasaki ZX7R P1, '90 Honda CB-1, '88 Kawasaki GPz550, MZ 150 ETZ
'95 Mercedes-Benz w202 C200 CGI, '98 Mercedes-Benz w210 E200 Kompressor

[rhys99]

You might as well get another 4T 125 but one of the 'faster' ( less slow ) ones such as a Yamaha WR/YZF 125, CBR 125,KTM duke or even an Aprilia RS4 125 if you want.
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[Kickstart]

[Rogerborg]

This post suggest that you have no interest in getting your hands dirty.

CBR125 or if your budget stretches to it, a YZF-R125.

Nothing looks that sporty with L plates on it.

Of course, if you're 19+ then the answer is to get a licence and a bigger bike. Anything else is just wasting time and money.
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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

[redeem ouzzer]

[Polarbear]

^^ Beat me to it ^^

Do not disable the oil pump and run premix unless you a a very experienced 2 stroke mechanic or stupid. Which you aren't either, are you.
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[stevo as b4]

If I wanted to ride 200miles plus a week and needed daily dependability and with little maintenance, or I didn't fancy too much spanners, or didn't know what I was doing with them, I'd avoid an RS125 Aprilia personally.

An RS4 125 looks similar and will be a better go to commuter and one that makes full use of the legal 15bhp limit and the 70-75mph performance.

An RS125 these days would be a nice novelty/weekend/ second bike, or a classic to restore or fettle in your spare time. Its no different to the way people use bikes like KR1's and RGV250's today. They are pampered project or fun weekend bikes, and none runs a scabby crashed one as daily transport on a budget anymore.

Oh and a restricted 125 two stroke is generally a bad idea, as you get poor performance, and just as much maintenance taking into account stuff like clogged up sticky power valves and exhausts, and they don't run fantastically yet are still relatively poor on fuel.

If I were doing a short commute and perversely wanted a maintenance intensive 125 two stroke, I'd rather have an even more short fused bike like a KTM motard, if I was going to be working on it in all my spare time.

[Untitled1995]

[Rogerborg]

Huzzah, that's more like it.

You're 17, right?
____________________
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

[Untitled1995]

[andyscooter]

[Untitled1995]

[Rogerborg]

If you're planning to ride a ZX-6R on an A2 license then you might as well go out and ride it right now, because it will be every bit as legal.
____________________
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

[Teflon-Mike]

Your the chap that thought that a Supra Turbo with the limiter disabled and the wick turned up n the blower, was a Cheap, Reliable, Daily drver, till you lost your licence, aren't you?

Aprillia RS125... go for it...... by your standards, its a real race bike for the road, for pocket money prices...

And as the lesson of the not-so super Supra, you wont be told, you will only learn the hard way... so go learn....

Just checl uot how many parts are in the exploded schematcs of the engine, and how many of them are marked up as 'Service replacement' with a Km replacement interval along side them.

You wont take the hint, ad will be sure you wont need them, or you can get patern replacements or hop up bits more cheaply.... self delusion is well ingrained, I think..... but you wont be able to say we didn't warn you.
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[Untitled1995]

[Rogerborg]