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Premium Member
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Discussion Starter #1
Hi Guys,

Just bought some Yokohama Advan Neova AD08R 225/40 R18 W 88 whereas I think they should have been 88 Y (don't think they sell this size?). Will there be any issues with fitting these tyres?

I've seen them mentioned quite a few times on this site so I assume they will be fine?
 

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Premium Member
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They'll be fine. The letter is just the speed rating:

ZR+ Speed Symbol "W"
Tyres marked with both designations for vehicles with speed capability over 240 Km/h but not exceeding 270 Km/h

ZR+ Speed Symbol "Y"
Tyres marked with both designations for vehicles with speed capability over 240 Km/h but not exceeding 300 Km/h
 

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Premium Member
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Not sure really... 92 is typically the rating you see on low profile tyres for the CTR, but 88 should be capable of handling the load.

To be honest, if you're not sure, I'd return them and buy some different ones.
 

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As per my first post, the speed rating is fine. It's the load rating that concerns me a bit, as it will affect cornering if the tyre sidewall is too soft.
 

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Premium Member
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Discussion Starter #7
Sorry, didn't make my last post clear, the sticker in the door jamb says 88 Y for a 225/40/R18 so the only bit not complying is the W rating instead of the Y rating.
 

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Sorry, didn't make my last post clear, the sticker in the door jamb says 88 Y for a 225/40/R18 so the only bit not complying is the W rating instead of the Y rating.
Fitting W rated tyres may invalidate your insurance, as you are not fitting Honda recommended tyres.

There is a clear statement in the manual, and on most tyre suppliers web sites.
 

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Clutch pedal guru
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TYRE SPEED SYMBOLS
For MOT requirements in this country, it is not necessary to fit a tyre with a speed rating to match the original vehicle fitment or the maximum speed of the vehicle. Tyres must be suitable for the purpose for which the vehicle is being used. See our Speed Symbol Chart for detailed data.
Insurance companies might say that a vehicle should be fitted with the tyres having the speed rating recommended by the car manufacturer: but even if you fit Z-rated tyres for speeds over 150 mph they will not insure you if you drive in excess of 70 mph in this country!
The vehicle manufacturer has to recommend a tyre with a rating to match the maximum speed of the car because when it leaves the factory he does not know exactly where the car is going or for what purpose it might be used. You might want to use the car in a country where higher speed limits apply than the UK or take it to a race track at the weekend

The above taken from this website:

TYRESAVE: UK Tyre Laws & Information

You also have to think about lower speed and load rated snow tyres which are perfectly legal to fit to a FN2.
 
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