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<blockquote data-quote="ionbeam" data-source="post: 906892" data-attributes="member: 277">At less than 1k miles my PR2s (B spec) started buzzing both audibly and&nbsp; physically.&nbsp; By 2k miles my FJR had developed some kind of engine&nbsp; vibration that buzzed the whole frame and tingled the seat.&nbsp; Then I&nbsp; realized that by pulling in the clutch the engine vibration did not go&nbsp; away but did change with road speed.&nbsp; And then shortly after that the&nbsp; tires would be even more noisy and buzz harder if I rolled over just a&nbsp; bit from dead vertical.In September I pulled off my rear tire which was through the tread on&nbsp; the sides and put on MEM&#039;s non B spec takeoff.&nbsp; Ahh, all was quite.&nbsp; At&nbsp; around 400 miles later the buzz was coming back.&nbsp; I&#039;m a now just into the wear&nbsp; bars and its beginning to buzz like my first PR2 rear.I&#039;ve varied tire pressure between 40 to 45 psi and it made zero&nbsp; difference.&nbsp; Almost all the miles were two up and the luggage was pretty&nbsp; well loaded.&nbsp; Except for a few tire pressure experiments all the mileage was done at 44 psi in temps that were very hot for New England.</blockquote>

[QUOTE="ionbeam, post: 906892, member: 277"] At less than 1k miles my PR2s (B spec) started buzzing both audibly and physically. By 2k miles my FJR had developed some kind of engine vibration that buzzed the whole frame and tingled the seat. Then I realized that by pulling in the clutch the engine vibration did not go away but did change with road speed. And then shortly after that the tires would be even more noisy and buzz harder if I rolled over just a bit from dead vertical. In September I pulled off my rear tire which was through the tread [I]on the sides[/I] and put on MEM's non B spec takeoff. Ahh, all was quite. At around 400 miles later the buzz was coming back. I'm a now just into the wear bars and its beginning to buzz like my first PR2 rear. I've varied tire pressure between 40 to 45 psi and it made zero difference. Almost all the miles were two up and the luggage was pretty well loaded. Except for a few tire pressure experiments all the mileage was done at 44 psi in temps that were very hot for New England. [/QUOTE]

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