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
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.