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Old 18-07-2023, 08:58 PM   #9
jerry
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Join Date: May 2006
Location: Cricklade
Bike: Multiple Monsters
Posts: 2,897
Good quality modern belts for 2v will last more than 2 years more like 4 , I have had 5 aircooled Ducs and no issues the older belts more than 15 years ago would need replacing every 2 years

4v motor like S4 yes they still need new belts every 2 years as they run very hot and rev higher ,
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