CarlisleUltimax MAX snowmobile drive belts Offers notable strength and tensioning at a great price. Flexibility of the new double cog design runs cooler and lasts longer. Each belt uses thebest rubber compounds and a tough ARAMAXr cord. Expect longer life on virtually all general service machines. MAX belts provide the round-trip reliability needed for a hard day"s ride!Additonal Fitment:1970-1975 YAMAHA ALL MODELS