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ORIGINAL: kv4eg
What about the clattering / rattling in 5th gear on the touring models? Could that be related to the fact that the transmission is mated to a rubber mounted engine instead of one with a balanced crankshaft? It seems to me that the power transfer to the transmission via the primary would not be as smooth as from the "B" engine and that 5th gear - being a straight / spur gear - well, you get the picture.
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There are 3 rubber "Isolators" to hinder vibration to the chassis (1 front, 2 at swingarm), and 2 alloy stabilizer links that are firmly attached to motor/chassis (Front and top of motor)
On the "B" models, you will hear the counterbalancers over the 1st and 5th gear whine.....
Take out the counter balancers and you will hear it definitively, along with picking up your fillings, entrails and whatever else gets rattled loose......
You hear it on all of the Cruise Drive transmissions...... Softail, Dyna (Rubber Mounted) and of course the Touring.....
The Touring is more pronounced due to chassis configuration, more compacted primary housing and Body Harmonics......
Hell, on the 06's and back, you could hear 1st and 4th whining, but people just got used to it .....