I agree with Paul. The belt is so important that it isn't worth it, IMO, to gamble on it breaking just to get a couple of thousand more miles. It seems when a bike or car breaks down it is always at a bad time or location. I'm sure they last 30,000 miles if you want to chance it but it's not worth it to me.
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Ride Safe,
JeffR_
Givi Airflow, Dr Pulley Sliders (28gr), Power Commander, Air Hawk, K&N Filter
2007 Silver Wing 34,000 miles
2005 Majesty (sold) 12,500 miles
2004 Reflex (sold) 3,500 miles