WMT Bearings supply a large number of belts to suit a wide range of applications and we have been asked recently to supply a belt to suit a Yanmar RD122 sit on mower. The belt designation was a 300DS8M-2800 and this is confirmed on a PDF file commonly available using Google. 

On two occasions now this belt has been requested by the customer and supplied by WMT Bearings. Unfortunately in each case the belt supplied was incorrect. The 2800 belt is 8mm pitch hence the number of teeth is 2800/8 = 350 teeth. If your belt has this number of teeth please DO NOT buy this belt. The belt offered has 360 teeth. If your belt has 350 teeth please contact us on 01743 850618 where we will be happy to quote.