AberdeenBikers

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As far as I'm aware you can show as much of the rear tyre as you like. . .

So long as it has the appropriate legal tread depth. . .

As for the other questions . . . . who knows!

Sorry I'm not much help!

Sure someone on here can come up with a more coherent answer to your queries!

http://www.motuk.co.uk/manual/mc_contents.htm
heres a link to the mot testers manual which may help for the mot but dosen't necessary mean that it legal

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Remember you need somewhere to mount a (legal) number plate...

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You could always try the lads at Breaking Point,they will have loads of different swing arms and may be able to give some advice.

for a mods on your rear wheel try checking this forum..

http://www.customfighters.com/

i have signed up to this forum b4 and by going on some of the projects ppl have been doing, your prob fin your answer there..

i think with you wanting to put on a wider wheel. you to main factors i can see would be the width of the tyre and it rubbing on the swingarm. and you might find that you will need to get some custom made spacers to fit between the wheel and swingarm..

i would start by seeing if a gixxer wheel will fit in. if not then it will prob be a custom backend with the swingarm from a gixxer

sounds an interesting project your doing and if i find any info out about it i will give you a shout as i'm interest in custom streetfighter bikes and always wanted to do one myself..

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Scooters have the rear wheel covered.