First Gear Whine
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Intermediate
Joined: Mar 2014
Posts: 36
Likes: 0
From: Nebraska
First Gear Whine
I got a '14 Street Glide last week and have been trying to break it in a bit but I've noticed an odd sound. When I pull the clutch in and am downshifting, as soon as I get it into first gear there's an odd whine. It doesn't do it in any other gear and as soon as I let the clutch out the noise goes away. Or if I pull the clutch in and wait to shift into first until my speed will match first gear then it doesn't happen. Any idea what this is?
Tourer
Joined: Dec 2012
Posts: 372
Likes: 26
From: Oklahoma
The 1st gear set in a HD transmission are a straight cut gear for strength purposes. The trade off is a little whine, nothing to be worried about. There are other transmission oils in the world that will help to quiet the noise, I use Bel-Ray Gearsaver 85/140 in mine.
Road Captain
Joined: Sep 2011
Posts: 541
Likes: 3
From: Sherwood Park AB Canada
Its a sound I had to get used to going from a softail, which did not have this first gear noise. All is normal. Switching to a gear oil does make a difference in the overall noise of the trans, including the 1st gear whine when gearing down. I use a name brand synthetic gear oil in 75/140 and am real happy with it.
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