Using 'Motorsport Use Only' tyres on the road?
Using 'Motorsport Use Only' tyres on the road?
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Discussion

RSTurboPaul

Original Poster:

12,908 posts

283 months

Yesterday (10:12)
quotequote all
Asking for a friend, obviously...


... but looking at tyre options, the Nankang NS-2R comes in a range of sizes, only some of which are officially classified as suitable for road use (due to tyre wear / softness considerations, it seems).

https://www.nankangtyre.co.uk/products/motorsport/...

nankang website said:
NS-2R with "MOTORSPORT USE ONLY" are only for use on race/track/competition/closed road events. They are not EU labelled as they are a softer compound (120/100/80TW)
Given the tread patterns appear to be the same on either version, my friend wonders whether the 'Motorsport Use Only' version comes with that text written obviously on the side wall, or whether they are indistinguishable from each other...?


Hustle_

26,287 posts

185 months

Yesterday (10:25)
quotequote all
They will not be E-marked and they will probably have 'MOTORSPORT USE ONLY NOT FOR ROAD USE' or similar moulded into the side walls

ChevronB19

8,542 posts

188 months

Yesterday (10:50)
quotequote all
It’s certainly the case with Dunlop historic L and M sections that they come marked on the sidewall.

The only occasion where I’ve had to get them not on a circuit, the tyre fitter came through and I signed a document saying they wouldn’t be used on the road (I wouldn’t anyway, they tramline like hell!).

Remember, potentially 3 points per tyre if you are caught.

littleredrooster

6,231 posts

221 months

Yesterday (11:21)
quotequote all
On motorcycles, it used to be the done thing to apply a small buffing wheel to such markings. smile I had a cheap supply of slightly-used 'race' tyres...

The method doesn't work if the markings are impressed into the tyre, however.

OutInTheShed

13,608 posts

51 months

Yesterday (11:26)
quotequote all
Won't they have a life of about 500 miles?

Possibly on cambered roads the edge wear could be dire?
Would they also be more prone to pothole damage?

RSTurboPaul

Original Poster:

12,908 posts

283 months

Yesterday (11:31)
quotequote all
Thanks, chaps.

ChevronB19 said:
...
Remember, potentially 3 points per tyre if you are caught.
This thought had crossed my friend's mind!

Hustle_

26,287 posts

185 months

Yesterday (11:41)
quotequote all
You are involved in an unfortunate accident where your car is immobilised. Police attend. Maybe you or somebody else involved are injured (or worse). Maybe you had some culpability for the accident. Maybe you had none at all.

Its possible that the unroadworthiness of your tyres is noticed at the scene by an eagle-eyed officer. Maybe as the situation unfolds in front of you it becomes apparent that there will be some kind of forensic investigation.

Or maybe not. You are free to go home, while your immobilised car is recovered on a low-loader to the police pound, or to your insurance-approved repairer...

Mr Pointy

13,004 posts

184 months

Yesterday (11:49)
quotequote all
I'd suggest your insurance company might have something to say about it.

Countdown

48,063 posts

221 months

Yesterday (18:15)
quotequote all
Apologies if noob question

AIUI "motorsport tyres" allow somebody to drive at max power on a race track with the downside being a short lifespan.

How would this benefit somebody driving on public roads? Do people really drive that fast where they need the extra grip provided by motorsport tyres?

paul_c123

2,054 posts

18 months

Yesterday (18:48)
quotequote all
Countdown said:
Apologies if noob question

AIUI "motorsport tyres" allow somebody to drive at max power on a race track with the downside being a short lifespan.

How would this benefit somebody driving on public roads? Do people really drive that fast where they need the extra grip provided by motorsport tyres?
It would help in situations like driving to-from trackdays, without the hassle of needing to bring the tools and a second set of wheels and tyres; or having to transport the car on a trailer etc.

alscar

8,587 posts

238 months

But won’t help at all when the insurance policy is declared null and void post any incident and claim.

CrgT16

2,477 posts

133 months

They would be poor road holding tyres. Keep them where they belong.

Insurance will be void as will (potentially) your license for no benefit!!

Countdown

48,063 posts

221 months

paul_c123 said:
It would help in situations like driving to-from trackdays, without the hassle of needing to bring the tools and a second set of wheels and tyres; or having to transport the car on a trailer etc.
Thanks smile

CanAm

13,317 posts

297 months

I (and many others) used to use a certain type of Yokohama tyre (AO51 ??) on my Caterham, which i think was originally intended as a racing rain tyre. But it was perfect as a road tyre for such light cars. Then apparently it failed an EU noise test and was no longer deemed suitable for road use. So you could use old ones, but not replace them with safer brand new tyres which carried the marking.

NoPackDrill

2,384 posts

210 months

CrgT16 said:
They would be poor road holding tyres. Keep them where they belong.

Insurance will be void as will (potentially) your license for no benefit!!
Exactly. Very little grip on the road - they’re designed to work when they’re really warm.

paul_c123

2,054 posts

18 months

Agree with all the above, it smacks of "champagne lifestyle, lemonade budget" approach. If you want to run some track-only special tyres, you need to make an investment in either transporting the car to-from on a trailer, or the kit to be able to swap over from road tyres. Or choose some more sensible rubber which can do reasonable track use but also performs okay on the road (and is road legal). After all, its not like you're racing, needing to chase that extra 0.1 second lap time, and have sponsorship deals hanging off the competitive success etc. Its just a hobby which allows you to drive a road car on the track.

Randy Winkman

21,331 posts

214 months

alscar said:
But won t help at all when the insurance policy is declared null and void post any incident and claim.
This was my immediate thought. If the car isn't insured, does any of the other stuff even matter?