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Old 09-18-2011, 07:19 PM   #53 (permalink)
Stick your neck out...
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Join Date: Jun 2011
Location: Essex UK
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Tyre sizes are 110/80 front and 160/60 rear. I made an error on the drawing for frontal area. The calculation requires the rear tyre width for the outline, and I extended that for the front tyre shape - making it look much wider, sorry. i will post an amended front visual soon.
Frank - you sold me short by a full 35cc! The C90 is 85cc (presently) and I'm not worried about oversize tyres, its only acceleration that will suffer "significantly".
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