http://cgi.ebay.co.uk/Drive-Motor-Belt-For-150cc-Go-Kart-ATV-Engines_W0QQitemZ360223770051QQcmdZViewItemQQptZUK_CartsParts_Vehicles_ATVQuad_Trike_Parts_Accessories_SM?hash=item53df0285c3 do u guys reccon this might work with a 30 or 40 series?