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Post by hank on Dec 7, 2006 12:32:11 GMT
I understand I can fit either a 3.00 x 10 or 3.50 x 10 on the front and to get a nice fat rear tyre, the 120/70 x 10, without any modification, though not all exhausts clear the rear tyre. I'm looking at Zippy 1's, though the 120/70 looks a much lower profile, will this raise up the front end or cause any problems with steering?, when you stand them side by side the 3.50 seems much higher.
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Post by Juan on Dec 7, 2006 18:01:15 GMT
A 3.50 will raise the front end and,IMHO,ruin the handling and quick steering.I'm really not sure that you can fit a 120 on the rear without some modifications and to be honest I see no need to fit one other than as a cosmetic exercise.
A 120/70 weill definately have a smaller radius than a 3.50x10 or a 90/90x10.
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Post by hank on Dec 8, 2006 11:44:48 GMT
90/90 x 10's - what are they like in relation to a 3.00 x 10?
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Post by barneystgeorge on Dec 8, 2006 14:47:01 GMT
90/90 larger than 3.00 almost 3.50 [metric equivelent]
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Post by hank on Dec 8, 2006 15:10:12 GMT
90/90's will fit on both front and rear of PK without too much hassle though, wont they?
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Post by Juan on Dec 8, 2006 22:07:12 GMT
A long time since I buggered about with trying larger tyres than stock but I don't remember any problems fitting 3.50x10's.
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Post by barneystgeorge on Dec 8, 2006 22:57:24 GMT
with a 3.50 or 90/90 you get tyre grow at high speed and can touch engine piviot also can rub swingarm esp on primmy a little more space on pk but..........a rear wheel blowout is no fun
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Post by hank on Dec 9, 2006 17:00:16 GMT
I think I'll need to cut away some of the frame at the rear of the pk to fit the 120/70, the bit where you fix the spare wheel to. not sure whether i will bother, though the tyre would look pretty cool!
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Post by ozoap on Dec 11, 2006 20:31:08 GMT
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Post by MiNiKiN on Dec 11, 2006 21:15:42 GMT
To fit a 120/70 you have to use wider rims. You then have to use a distance ring to keep clear from engine casing. The wheel will then be offset (bad handling apart from wide wheel bad handling) to compensate you must shorten the casing at the RH engine mount and put a shim at the other side.
Quite a lotta effort to compensate - say is yours really that short or would a 90/90 maybe do? ;D
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Post by hank on Dec 12, 2006 0:43:53 GMT
 lol! yeah, ok, dont think I'll bother! too much hassle, 90/90 it is, got one of those for the front. ps. anyone want to buy a 120/70.......? ;D
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lol! yeah, ok, dont think I'll bother! too much hassle, 90/90 it is, got one of those for the front.