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2-stroke racers...

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SpannerMonkey
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PostPosted: 22:16 - 28 Sep 2010    Post subject: 2-stroke racers... Reply with quote

I cannot normally settle on a style of bike I like for more than a month and my current phase is 2 stroke racers.
I wouldnt mind one once I pass my test and my goal is to end up with an RG500 or an NSR400 at some point.
I've been looking at these RGV250's and I've heard good things about them. And the Aprilia RS250's.
Thing is, Restricting them down really does take the two-stroke fun out of them, So does this mean I'm stuck to either a 125 stinkwheels or a 4 stroke alternative?
I just love the all or nothing nature of two-strokes and the only thing that bothers me with them is their lack of holding any speed when faced with any kind of revs below 7000rpm.
are there ANY decent two-stroke racers out there that are on or JUST over the 33bhp limit BAR the RS125 and Cagiva mito (Both are FAAAAR too unreliable from what I've heard)
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MarJay
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PostPosted: 22:24 - 28 Sep 2010    Post subject: Re: 2-stroke racers... Reply with quote

spannermonkey91 wrote:
I cannot normally settle on a style of bike I like for more than a month and my current phase is 2 stroke racers.
I wouldnt mind one once I pass my test and my goal is to end up with an RG500 or an NSR400 at some point.
I've been looking at these RGV250's and I've heard good things about them. And the Aprilia RS250's.
Thing is, Restricting them down really does take the two-stroke fun out of them, So does this mean I'm stuck to either a 125 stinkwheels or a 4 stroke alternative?
I just love the all or nothing nature of two-strokes and the only thing that bothers me with them is their lack of holding any speed when faced with any kind of revs below 7000rpm.
are there ANY decent two-stroke racers out there that are on or JUST over the 33bhp limit BAR the RS125 and Cagiva mito (Both are FAAAAR too unreliable from what I've heard)


Laughing Laughing Laughing

If you think a Mito or an RS125 is unreliable... I'd seriously avoid an RGV250 or RS250. They both have the same engine and they like to eat themselves when the powervalves wear out.

A nice late model Mito will be under the power limit (and more crucially the power to weight ratio limit) and will be pretty reliable If looked after

Now, I'm certain that if a 17 year old can look after an RS125 well enough to ride it as a daily, then it is reliable enough for what you want. An RS250, RGV250, KR1S, a newer TZR250, NSR250, NS400, RG500, RD500 etc will all be fantastically expensive to run and probably extremely unreliable and/or expensive to buy.

My suggestion would be a 1KT 2MA TZR250, they are getting on a bit now but they are solid bikes and they handle well. They will be shit restricted to 33bhp though, which is why I'd buy a Mito or 5-10 year old RS125 if I were you.
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Billy Balthorpe
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PostPosted: 22:29 - 28 Sep 2010    Post subject: Reply with quote

Yamaha RD250DX, Suzuki X7, Suzuki GT250, Kwacker KH250 triple (rather you than me on that one).

Of course these are bikes from the 70's and would not handle anywhere near as good as an RS 125/250. But they are fairly reliable and good fun. I ran an RD350 Powervalve for 17K miles and rode the nuts off it, actually senseless to thrash in standard trim, you couldnt get near the redline without the power dropping off so you just changed up a gear back into the power.
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stevo as b4
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PostPosted: 22:30 - 28 Sep 2010    Post subject: Reply with quote

Yeah a late model full power 125 sports bike in excellent condition should be ideal tbh! If you look after it, feed it expensive oil, and do the maintainence ahead of schedule then it should be very reliable. 2strokes are not generally unreliable or prone to problems if well serviced, set up and looked after (Even RGV or RS250's!) It's just that routine maintainence includes periodic engine re-builds and that the wear rate it high on the components. If you keep ahead of the game then they should be very reliable overall.

The only bigger than 125cc bike that fits well in your wish list is the Suzuki RG200FUN, but you'd be hard pushed to ever find one in the u.k.
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SpannerMonkey
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PostPosted: 22:35 - 28 Sep 2010    Post subject: Reply with quote

So mito or RS it is =( I'm currently riding an NS125F which is okay... But it doesnt have the racey feel to it position wise. so out of the two (Mito and RS) which one would you recommend?
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Cheeseybeaner
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PostPosted: 22:42 - 28 Sep 2010    Post subject: Reply with quote

MZ?
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Frost
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PostPosted: 22:44 - 28 Sep 2010    Post subject: Reply with quote

Getting a 2 stroke race bike and restricting it is like buying a race horse and chaining it's legs together. It was expensive, high maintenance and impractical to begin with, and you'll likely damage it by not letting it do what it does.

The world and his wife would one day like to own an RG500, but they are damn expensive, almost all knackered and no quicker than an older sports 600
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chris-red
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PostPosted: 22:51 - 28 Sep 2010    Post subject: Reply with quote

You would be stuck on the 125's I dare say a deent 125 2t would be better/faster than a restricted 250. 2 strokes are the only bikes that don't 'take' restriction well.
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yuri2085
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PostPosted: 22:58 - 28 Sep 2010    Post subject: Reply with quote

Some one I know might tell you not to bother restricting your bike and just be vigilant so police don't catch you doing silly speeds.
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G
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PostPosted: 23:00 - 28 Sep 2010    Post subject: Re: 2-stroke racers... Reply with quote

spannermonkey91 wrote:

Thing is, Restricting them down really does take the two-stroke fun out of them, ....
I just love the all or nothing nature of two-strokes and the only thing that bothers me with them is their lack of holding any speed when faced with any kind of revs below 7000rpm.

I had a RS250 at 37.5hp due to a stuck powervalve. It still had plenty of 2 stroke 'zing'.

On that, ride a modern enduro 250cc+ 2 stroke and you'll find they have more linear power than the 4 strokes often. It's all about what the engine is intended to do. 2 strokes relying heavily on an exhaust tuned for a specific power range do often end up pretty peaky when the target is peak power, but it's not entirely a '2 stroke' thing.
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SpannerMonkey
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PostPosted: 23:41 - 28 Sep 2010    Post subject: Reply with quote

Well i gotta say I'm preferring the looks of the mito but there arent as many around.
The RS just seems a bit too chavvy to me.
My mum is SO against me getting a two stroke just cause of the fuel efficiency and the power delivery.
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Acemastr
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PostPosted: 23:51 - 28 Sep 2010    Post subject: Reply with quote

The Mito is gorgeous, baby Ducati 916
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G
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PostPosted: 23:54 - 28 Sep 2010    Post subject: Re: 2-stroke racers... Reply with quote

None of the 125s in my experience, even when ragged will give the performance of a middle weight sports/commuter restricted to 33hp.

Something like a KTM EXC might, but maitenance is listed in races and hours, rather than road miles, never mind the lack of ignition key etc.
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Billy Balthorpe
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PostPosted: 00:01 - 29 Sep 2010    Post subject: Reply with quote

I rode a new ish RS125 last night. The guy told me it was 33bhp and i could have a go if i want. Well, i've never ridden a 33bhp 125 so i did. I was very careful to warm it up and didnt take it above 6K till 3 bars were showing on the dash. When i did i was dissapointed, there is no way that bike was 33bhp. There was no zing at the top end, just the promise when it hit 7K and sort of flattened. I'm sure it was 15BHP, it wouldnt pull much more than 75mph. I told him what i thought when i got back and he still insisted it was 33bhp. Not a chance.

The brakes were awesome tho, one finger was the safest way to use them and the handling was pin sharpe, like you are holding the front wheel spindle, confidence inspiring.

As someone said earlier, i would plan the maintenance in advance and use top quality oil, always warm the engine before you ride it, you dont want cold siezure now do you?
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Frost
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PostPosted: 00:12 - 29 Sep 2010    Post subject: Reply with quote

None of them are 33bhp, 28 at best.
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pits
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PostPosted: 00:20 - 29 Sep 2010    Post subject: Reply with quote

Billy Balthorpe wrote:
I rode a new ish RS125 last night. The guy told me it was 33bhp and i could have a go if i want. Well, i've never ridden a 33bhp 125 so i did. I was very careful to warm it up and didnt take it above 6K till 3 bars were showing on the dash. When i did i was dissapointed, there is no way that bike was 33bhp. There was no zing at the top end, just the promise when it hit 7K and sort of flattened. I'm sure it was 15BHP, it wouldnt pull much more than 75mph. I told him what i thought when i got back and he still insisted it was 33bhp. Not a chance.

The brakes were awesome tho, one finger was the safest way to use them and the handling was pin sharpe, like you are holding the front wheel spindle, confidence inspiring.

As someone said earlier, i would plan the maintenance in advance and use top quality oil, always warm the engine before you ride it, you dont want cold siezure now do you?

Mine is restricted and will go faster than that, well if you could find somewhere legal to do it of course, but I know it is close to 90mph on the clock, not that I would know of course Wink
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Billy Balthorpe
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PostPosted: 00:22 - 29 Sep 2010    Post subject: Reply with quote

It would have probably gone a bit more, but i needed more road than i had.
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radical
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PostPosted: 00:37 - 29 Sep 2010    Post subject: Reply with quote

Acemastr wrote:
The Mito is gorgeous, baby Ducati 916
In the real world they are both piles of dung that rarely make it past 5k without self destruction, buy one by all means but pull the engine out and throw it in a skip and fit a proper engine before you actually ride the bike, never pay more than 50 quid for one of these piles of junk running or not. Thumbs Up
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SpannerMonkey
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PostPosted: 00:54 - 29 Sep 2010    Post subject: Reply with quote

radical wrote:
Acemastr wrote:
The Mito is gorgeous, baby Ducati 916
In the real world they are both piles of dung that rarely make it past 5k without self destruction, buy one by all means but pull the engine out and throw it in a skip and fit a proper engine before you actually ride the bike, never pay more than 50 quid for one of these piles of junk running or not. Thumbs Up

In the real world they're both piles of dung? what exactly "Sir" do you ride?
you refer to them as being terrible bikes but I believe that for a 125cc engine you cant exactly complain. If you want performance you have to sacrifice reliability to some extent.
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serlant
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PostPosted: 03:10 - 29 Sep 2010    Post subject: Reply with quote

spannermonkey91 wrote:
Well i gotta say I'm preferring the looks of the mito but there arent as many around.
The RS just seems a bit too chavvy to me.
My mum is SO against me getting a two stroke just cause of the fuel efficiency and the power delivery.

isn't the NS125R you're currently riding 2 stroke?
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Teflon-Mike
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PostPosted: 03:32 - 29 Sep 2010    Post subject: Reply with quote

Trying to remember what it was now, but lad at work few years had one of these things.
Pretty sure it was Spanish, though may have been french, had a Yamaha DT engine it it, and a very neat steel trellis frame, with minimal body-work, though definitely a race replica.
Supposed to make about 26bhp, de-restricted, with LOADS of reliability & the spared back up for one of the longest running 2T motors out there.
Supposed to be as sweet handling as a Mito or RS, but with a low more 'rawness' to it from the minimalist lay-out of the bike.
Was quite taken with it when I had a look over it, but CANT for the life of me remember what it was bludy called.....
If any-one can fill in the blanks, might be worth a look..
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Frost
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PostPosted: 05:44 - 29 Sep 2010    Post subject: Reply with quote

Sachs XTC probably
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MarJay
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PostPosted: 08:06 - 29 Sep 2010    Post subject: Reply with quote

radical wrote:
Acemastr wrote:
The Mito is gorgeous, baby Ducati 916
In the real world they are both piles of dung that rarely make it past 5k without self destruction, buy one by all means but pull the engine out and throw it in a skip and fit a proper engine before you actually ride the bike, never pay more than 50 quid for one of these piles of junk running or not. Thumbs Up


Please leave and go to letstalkshitaboutbikes.com.
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