Registered Forum User
Big Twin
Posts: 1,956
Join Date: Mar 2005
Location: Normally in my own little world
Mood: I own a flame thrower
Had a similar noise on my 748. Turned out to be a spring on the exhaust that started to vibrate against the exhaust at certain rev's. Tweaked the spring mounting clip so that the spring was well clear of the exhaust.
Worth while checking out.