New Toy ( Nsr )

Matt- · World Chat Champion Joined: 19 Jul 2012 Karma :

Just purchased a NSR Which has had a restoration recently:

Full Respray
Top End Rebuild
Frame Has Been Sprayed
New Power valve
K&N Filter
Arrow Exhaust

It's a lovely bike, but i have got some questions, i have searched them but got no where ....

The bike need's a new front tyre as its very low,
where can i get one cheap but half decent ?

Running in, i was told i should put a cap full of Fully Synthetic 2 Stroke oil in the tank with every full tank of fuel, first 100 miles up to 5k Rev's then after for the next 300 mile's i should be at 6k rev's, ( also warming up before ) is this correct ?

many thanks if any of you can help !

picture link below

https://cgi.ebay.co.uk/ws/eBayISAPI.dll?VISuperSize&item=160856240981[/img]
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RIP jack (wheelie king), you will never be forgotten.
Current Bike's - Road Legal TZR 125 Pitbike, Aprilia SR50R 2010

Amreet · Trackday Trickster Joined: 31 May 2010 Karma :

As for the tyre, don't bother trying to do 'cheap'
ring a tyre place and ask them what it costs and what their cheapest tyre option in that size is and deal with the cost. Pay cheap pay twice, and when tyres are concerned, pay cheap pay with your life.

As for running in, its never a precise art with any vehicle, look up details on what running in actually does and make your own choices based on that. There is a growing school of thought that 'hard' break in procedures are better, where you apply short bursts of hard acceleration on the engine, gradually increasing the RPM peak rather than riding really gently everywhere.

Riding gently is the safest break in but also can lead to a less than optimum seal between the piston rings and the barrel, whereas a hard break in can help to force the piston rings outwards to the barrel creating a better seal. do a bit of googling and make your choice based on that.

Vincent · Banned Joined: 16 Oct 2006 Karma :

Matt- · World Chat Champion Joined: 19 Jul 2012 Karma :

Think I'm going to do this:

5k Revs for 200 Mile's
6k Revs For A Further 400 Miles
7k Revs Till 500 Then A Couple Of Red Lines Up To 1000 Miles
then Nail it.

as for the Tyre i am going to get a Continental ContiGo! For £61.34
plus £25.00 fitting. Does seem rather high when you can get a continental car tyre for under £60.00 On some size's !

Also my front brake lever is rather close to the throttle, i will get round to changing it after MOT but will it pass with that?

And also number plate, i would like a very slightly smaller number plate than a road legal one , anybody know any sites or ebay listing's which do it ?

Many Thanks

Matt
____________________
RIP jack (wheelie king), you will never be forgotten.
Current Bike's - Road Legal TZR 125 Pitbike, Aprilia SR50R 2010

_Iain_ · Banned Joined: 01 Feb 2012 Karma :

mfactor · Nova Slayer Joined: 10 Jul 2012 Karma :

P.addy · *Formerly known as* P. Joined: 14 Feb 2008 Karma :

Top end rebuild... 6k for 250 miles.
8k for another 250 miles.

Change spark plug after this time and rag the living shit out of it once warm.

I ran my RS in doing 200km under 5k, then kept taking a quick blast up to around 8-9k every now and then in 2nd/3rd gear.

Got to about 600km and I was ragging this thing around.

mfactor · Nova Slayer Joined: 10 Jul 2012 Karma :

[quote="_Iain_"]

Matt- · World Chat Champion Joined: 19 Jul 2012 Karma :

Yeah i am going to go for a Mid Range Tyre Very Happy

As for the brake i was told that it has has the wrong lever put on it as it's a import :/ maybe right maybe wrong , if i could somehow adjust it i will do that, their is brake lever's on eBay for £6.00 it's for a 1993 model but i don't know if it will fit.

as for the run it i am VERY confused i have been advised from many people to take it slow, with low rev's , without putting the engine under strain in any gear :/ anymore suggestions ?

Many Thanks

Matt
____________________
RIP jack (wheelie king), you will never be forgotten.
Current Bike's - Road Legal TZR 125 Pitbike, Aprilia SR50R 2010

P.addy · *Formerly known as* P. Joined: 14 Feb 2008 Karma :

Blau Zedong · Banned Joined: 26 Jun 2006 Karma :

Thrash it untill it nips up, then use emery cloth to remove the high spots on the piston.
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Matt- · World Chat Champion Joined: 19 Jul 2012 Karma :

P.addy · *Formerly known as* P. Joined: 14 Feb 2008 Karma :

Thats too much for just a top end...

A full rebuild about 500 mile run in.
Top end, 100-150 tops... its only a piston, and it does what it does, ride it around till its warm, get it to 6k then change gear, keep doing that... can open it a bit more if you feel comfortable!

Matt- · World Chat Champion Joined: 19 Jul 2012 Karma :

P.addy · *Formerly known as* P. Joined: 14 Feb 2008 Karma :

Be aware I thought you had a full rebuild. Top end doesn't require that much run in, also don't run fully synth straight away do a tank of cheaper stuff to let it all bed properly "upstairs"

Amreet · Trackday Trickster Joined: 31 May 2010 Karma :

Matt- · World Chat Champion Joined: 19 Jul 2012 Karma :

P.addy · *Formerly known as* P. Joined: 14 Feb 2008 Karma :

Sounds ok...but you could probably do 100 on 6k with regular blips to about 8-9k and then start increasing big ranges from then.

Vincent · Banned Joined: 16 Oct 2006 Karma :

Just as important as the revs/mileage is not to run it for too long at first and stay away from steep hills. As above, try not to "labour" the motor.

I had a mate that used to run his bikes in by leaving them ticking over in the garage overnight with a fan in front of the engine Razz

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P.addy · *Formerly known as* P. Joined: 14 Feb 2008 Karma :

Vincent · Banned Joined: 16 Oct 2006 Karma :

Matt- · World Chat Champion Joined: 19 Jul 2012 Karma :

So some blips to 8k won't damage the bore in any way ?
____________________
RIP jack (wheelie king), you will never be forgotten.
Current Bike's - Road Legal TZR 125 Pitbike, Aprilia SR50R 2010

Vincent · Banned Joined: 16 Oct 2006 Karma :

I'd do at least 50 miles under that first. You'll find many different recommendations for running in a two strokes and they can differ from bike to bike. What do Honda say for the 125?
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swampy · World Chat Champion Joined: 04 Aug 2004 Karma :

Just as a side note about pre mixing the oil/petrol, I did that when I rebuilt my nsr (I was paranoid about the oil feed having an air lock) and fouled the plug to the extent the bike cut out and wouldn't restart..

I've tried really hard to remember how I ran it in, but it was 10ish years ago now and in all honestly I can't remember.
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Vincent · Banned Joined: 16 Oct 2006 Karma :

Also, if you run premix, the bike will be running lean - not good when you're running in.
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