Kevlar v-belt Yamaha 2t 50 vertical

Standard size kevlar drive belt, made in Japan to OEM standard or higher. Replace belts every 3000-5000km to maintain optimum acceleration and top speed, and to avoid breakage. 1mm wear on the side of a belt can cost 3km/h top speed. Suits most 50cc 2 stroke vertical Yamaha scooter engines plus clones: Yamaha BW's 50 (3AA) with upright cylinder Yamaha Gear 2T (UA03J) Bug Bandit with horizontal 2 stroke 50cc engine MBK Booster 50 Aprilia Gulliver 2t 50 LC Replaces OEM part number 3AA-17641-00 and others. 738-16.5-28 These belts are designed and/or manufactured in Japan by a major manufacturer to strict quality standards. All drive belts must be run in before normal use by keepng speed under 30km/h for at least the first 5km. We strongly recommend you download and read our 'Drive belt fitment' pdf, in the 'Manuals & User guides' category of this shop. Claims regarding premature drive belt failure will only be considered if you have downloaded that file.