The 2 tyres on my 1984 Motoguzzi V35ll are sized 3.25 x18 rear and 300 x 18 front anyone know what the current metric sizes are TIA
This may help:
Imperial, Imperial 90% series, Metric 90% series, Metric 80% series, Alphabetical
3.00 3.60 90/90 100/80 MJ90
3.25 3.60 90/90 100/80 -
From page 6:
http://www.maxxis.co.uk/media/65556/2013-Motorcycle-Tyre-Catalogue.pdf
So looks most likely:
Front 90/90
Rear 100/90