Yokohama Tyres

Adams and Page are one of the largest stockists of yokohama tyres in the country.We  have been a leading supplier of yokohama for over ten years now, and we travel regularly throughout England and the continent providing race support for competitors wishing to get the best out of their tyres. Les Adams first started racing an Austin Healey 3000 in 1960, our knowledge and expertise is based on 50 years racing experience.

Yokohama A048R Tyres

We have supported the Classic Sports Car Club since it was formed 8 years ago, and in 2011 will attend every one of their race meetings in the UK and their race meeting at SPA Francochamps in June. These are the most popular tyre for circuit racer, used by club and professional competitor alike. Lotus on Track Elise Trophy use them as a control tyre and are now chosen by Lotus Cup UK for their endurance race series, we supported the first 1000kms race at Brands Hatch  in November 2010 where the tyres performed extremely well.

The Yokohama A048 Tyre has a stiffened carcass, which combined with the tread pattern and compound makes it one of the best road legal race tyres in the market today.  It is listed in the MSA blue book as a 1b tyre.

The operating temperature for the tyre tread compound is between 45C and 120C. The optimum temperature is 65-95C. When using a pyrometer, and measuring the temperature of the tyre, start by taking the hardest worked tyre first and the inside measurement first.  (The inside edge of the tyre should be the most worked, so it is important to get an accurate reading to make sure that the tyre is operating within its parameters).

Temperatures across the tread ideally should vary by no more than 15C from inside to outside when possible.

PRESSURES

Basic guideline settings are given below;

For “M” compound tyres maximum hot tyre pressures should be between 28 and 32 psi.

For “MH” compound tyres maximum tyre pressures should be between 28 and 36 psi.

These are guide line settings only, and can vary for different weight cars.

A 450kg Caterham will have different settings to that of a Jaguar weighing 1000 kilos more. If in doubt please ask.

CAMBER

Although the tyre will work with camber angles of up to 5 degrees negative, the optimum camber angle is 1-2.5 negative if springs and roll stiffness are correct.

The 048 is available in the following sizes.

Size

Compound

Rim Size

Rim Permitted

Inch

MM

Inch Diameter

MM Diameter

Circum

165/55R12

M

5

4.5-6

6.4

162

19.1

486

1487

175/50R13

M, S

5.5

5.5-6

7.1

180

19.9

505

1545

175/60R13

M, S

5

5-6J

7.1

180

21.1

536

1634

185/60R13

M, S

5.5

5-6.5 

7.4

188

21.7

550

1677

205/60R13

M, S

6

5.5-6.5

8.3

210

22.6

573

1747

185/55R14

M, S

6

5-6.5

7.8

197

21.9

557

1699

185/60R14

M, S

5.5

5-6.5

7.4

189

22.6

575

1760

195/60R14

M

6

5.5-7

7.9

201

23

585

1783

195/50R15

M, S

6

5.5-7

8

202

22.6

574

1749

195/55R15

M, S

6

5.5-7

8

202

23.3

593

1814

205/50R15

M

6.5

5.5-7.5

8.4

214

23.7

585

1783

205/60R15

M

6

5.5-7.5

8.2

208

24.6

625

1905

225/50R15

M

7

6-8J

9.3

235

23.7

603

1845

195/50R16

M

6

5.5-7

8

203

23.6

600

1928

205/55R16

M, MH

6.5

5.5-7.5

8.4

213

24.8

632

1921

225/45R16

M, MH

7.5

7-8.5

9

228

23.8

605

1842

225/50R16

M, MH

7

6-8J

9.1

231

24.9

632

1928

215/45R17

M, MH

7

7-8J

8.4

212

24.6

625

1905

225/45R17

M, MH

7.5

7-8.5

9

228

24.8

630

1921

235/45R17

M

8

7.5-9

9.4

238

24.8

640

1952

235/45R17

MH

8

7.5-9

9.4

238

24.8

640

1952

245/40R17

MH

8.5

8-9.5

9.8

248

24.8

630

1921

255/40R17

MH

9

8.5-10

10.3

262

25.1

638

1945

225/40R18

MH

8

7.5-9

9.1

232

25

635

1936

235/40R18

MH

8.5

8-9.5

9.6

243

25.4

644

1967

265/35R18

MH

9.5

9-10.5

10.7

271

25.2

640

1952

285/30R18

MH

10

9.5-10.5

11.4

290

24.8

629

1918

295/30R18

MH

10.5

10-11J

11.6

295

24.9

633

1928

315/30R18

MH

11

10.5-11.5

12.3

313

25.4

645

1967 

Please contact us for price and availability.We fit for free at the circuits we visit, or send tyres by mail order to all parts of the country.

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