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Post by boost on May 17, 2017 11:23:38 GMT 1
hello to all, ive just bought a swiss 1986 ypvs rd125, which I believe is a mk3 ?? anyways I'm after some decent rubber, ive looked through the forum on tyre size etc and a lot of people say that they use a 90/90 on the front and a 100/90 on the rear which is the tyre size on my bike at the mo, now to contradict that my genuine yammy manual states that the front should be 80/100 - 16 45p and the rear is 90/90 - 18 51p, now either my manual has been misprinted or there is a reason owners use different size tyres, I would appreciate any info as I'm sure if a different size front tyre is used it would alter the speedo reading ?? also bigger rear would alter overall tranny gearing ?? HELP !!
cheers in advance
bob |
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Post by museumman on May 17, 2017 19:22:20 GMT 1
owners use different sizes as the original sizes are hard to get or some people think they look too skinny . I like the original sizes so use Dunlop K388s. There is a Michelin M45 that is close to the original front size and doesnt look too bad, also Michelin pilot sporty has a close front size.. IRC do the correct factory sizes but they come from Asia and shouldnt pass the MOT
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Post by boost on May 17, 2017 20:22:32 GMT 1
hi museumman thanks for the reply, ive found a pair of Dunlop k388 tyres a rear 90/90 18 and a front 80/100 16 front can I take it then there is no misprint in my manual and that these are the correct tyres for this model, I'm inclined to go for these dunlops as the tyres I have are cheap crap things and although the correct size are smaller than those I have fitted it should handle better with a pair of dunlops
cheers bob |
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Post by museumman on May 17, 2017 21:22:29 GMT 1
yeah these are the correct sizes, they are probably the most expensive option too. I think Yamaha mostly used Dunlops on their new ones
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