Just looking at this bike
Does anyone know much about them? How often rebuilds / cost? reliability? parts easy to get?
How to see if engine in good condition?
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Would anyone in Auckland who knows 2 strokes mind giving it a once over?
Thanks
Just looking at this bike
Does anyone know much about them? How often rebuilds / cost? reliability? parts easy to get?
How to see if engine in good condition?
![]()
Would anyone in Auckland who knows 2 strokes mind giving it a once over?
Thanks
If it smokes it might need the rings done??
I know that it looks awesome
What sort of milleage has it done? It should be reasonably reliable so long as it has been run on a top grade two stroke oil? So long as it has been warmed up properly too, but it will be higher maintenance than say a GSX250 or CB250 etc.
Is that the one with the swipe card ignition? May have a dry clutch too, which would make it sound like its about to explode, but really nothing to be alarmed at.
Its done 16'000 k's. not sure what two stroke oil its been running on. What is a good TS oil?Originally Posted by gav
When you say higher maintenance, what sort of things needing done? As I am a n00b on two stroke tech.
its a 91, so MC21 just the model before the swipe card ign, and has dry clutch with without the mag wheel I read.
I wonder how would a NSR250 compair with a CBR250RR type bike.... comments? ideas?
But just enough to know that I would like to take one for a really good thrashing![]()
Those who insist on perfect safety, don't have the balls to live in the real world.
Would be fun to test out, my THOUGHTS (thats all they are) would be that the TS would get away on the CBR first off.Originally Posted by Zapf
Someone correct me if Im wrong
To every man upon this earth
Death cometh sooner or late
And how can a man die better
Than facing fearful odds
For the ashes of his fathers
And the temples of his Gods
yeah the TS would kick the 4strk, i had a mc18 a few years back that had a few mods nufing major just jetting and airbox etc and a mate had a cbr250rr there wasnt one thing that the cbr was better at....but he still wasnt convinced so we swapped bikes and the TS was still light years faster, lighter, and drank a shit load more gasOriginally Posted by Sniper_CBR
top speeds were as follows 1992 cbr250rr 180kph
1989 nsr250 mc18 225kph
as for oil i used Motul fully synthetic...its expensive but i never siezed it.
No I don't, sorry. But thanks for asking!Originally Posted by Zapf
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Yep, another useless post by RR
Checkout my blog: www.wubboodesigns.com
16000k's isnt too bad, expect a rebuild maybe around 20000k's (might only have to be bottom cylinder) I rebuilt my RG at 27000kms....Originally Posted by Zapf
A good TS oil, is Motul Fully Synthetic (Very expensive, like $60 per litre)
As Aaron said, the NSR will leave the CBR behind... The NSR will have almost 400cc IL4 four stroke performance (almost as much as your SV.....) So is a very quick bike...
Send a PM to Hoon he should be able to help you out...
Fluffy cat is the one to ask around here for that one.
He's got the same bike and done a couple of mods......
Chris, don't know where you get your oil, but I pay $60 for 4L fully synthetic Shell stuff...
But anyway, I hope you like tinkering... it's a lot of fun
Yeah the nsr would be a wicked fun bike. I ran shell vsx2 in my tzr for 10000km's when I had it and it was fine and only $50-60 for 4 litres. It wasn't too bad on gas and completely raped any other 4 stroke 250's
Hi, I've just sold my NSR MC21 SE, exactly the same as that. Use good oil, I'd never use anything other than Motul 600. They are way quicker than any CBR250RR/ZXR which is why they compete against CBR400RR and ZXR400's in formula three. When if they have any damage occur to the bores then the barrels will have to be re nikasil coated, which costs on average about $500 per cylinder. The crankshafts cannot be re-built and cost about USD$1600, there is a place in the UK that can supposedly rebuild them and I'm sure a local engineer might be able to be convinced to have a go. For rings and bearings you're looking at about another $100 per cylinder.
The best maintenance is to always run good oil and always let your NSR warm up before taking it out and never run it over 6000rpm until it is warmed up.
Cheers
If you are local, and want me to have a look at it, I have a 'little thingy' to look inside the barrels to see what condition they are in. PM me
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