whirring sound
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Stage II
Joined: Jul 2006
Posts: 2
Likes: 0
whirring sound
I recently moved to Phoenix and the heat is taking it's toll on my 14 year old FatBoy (owned since new). After sitting out all day at work, and riding home over hot blacktop in 100+ degree heat, it develops a whirring sound that seems to be related to the actual speed of the bike (rather than the engine). I've replaced the front wheel bearing and lubed the speedo cable. Basically, when it's hot, if I pull in the clutch and let the engine go to idle, I hear this whirring as I coast - seemingly from the front half of the bike. It also is present when coasting with the clutch engaged and zero throttle. Interestingly, the sound disappears upon application of throttle.
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Road Warrior
Joined: Dec 2007
Posts: 1,854
Likes: 20
From: Eagle River WI
HGM might have something here I always adjust my rear belt with 1 in play cold HD says different but 65,000 miles on the orig belt tells me I must be doing something right That is adjusted with a 10 # force
Intermediate
Joined: Aug 2008
Posts: 32
Likes: 0
A little bar of soap gives a similar result...
HDF Community Team
Joined: Dec 2005
Posts: 5,421
Likes: 2,621
From: NC USA
Belt noise (and/or) vibration does change with temps and they get tighter with higher temps - just the opposite of what a chain does.
Takes some tinkering to find the right "cold adjusted" free play that works when up to temp.
Takes some tinkering to find the right "cold adjusted" free play that works when up to temp.
Road Warrior
Joined: Apr 2007
Posts: 1,952
Likes: 15
From: Senoia, Ga., by way of Miami, Fl..
Thats when I notice mine..
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bruski
Primary/Transmission/Driveline/Clutch
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Feb 5, 2008 02:38 PM
