5th Gear
Club Member
Joined: May 2007
Posts: 145,895
Likes: 821
From: 40 miles Northeast of Indy..
Quit trying to hear it and it will go away...
Never was bad on our 07, but if U try to hear it U; will at times..
put stg1 on with some decent pipes and now I have to try to hear it to hear it...
The Bel=ray 80-145 tranny oil didn't help any more than the formula + oil did....either.
Never was bad on our 07, but if U try to hear it U; will at times..
put stg1 on with some decent pipes and now I have to try to hear it to hear it...
The Bel=ray 80-145 tranny oil didn't help any more than the formula + oil did....either.
Tourer
Joined: Feb 2008
Posts: 264
Likes: 2
From: Parker, CO
My '07 FXSTC had the noise in 5th for the first 5K miles and then it started to quieten down as the gears wore in some. I never did change the gear lube. Is it totally gone, no but it no longer bothers me. At least I knew when I was in 5th gear. Why HD can't put a gear indicator on a bike is beyond me. They tell you when you are in 6th but hell that is the last one anyway. daaaaa An old timer like me gets forgetful and can't always remember which gear I'm in. Alzheimers must be just around the corner!!
Cruiser
Joined: Apr 2008
Posts: 175
Likes: 1
The noise you hear is normal for a straight cut gear. Sorry, but that is just the mechanics of the matter. Although straight cut gears are noisey, they are stronger than helical cut gears. It only took HD four model years to figure out that customers want a quiet gear box. The noise you hear will not affect the trans life. If you want to quiet it down a bit, fill the trans with a heavier oil. I use Redline Heavyshock Proof in mine and has made a big difference.
Mine is very loud and hard to try to ignore.
I just bought a 2009 FLSTC on 8/31. It was O.K. when I drove it home 20 miles. The next day I shifted from 6th to 5th and the howling was so loud I almost wrecked the bike. The dealer gave me the stronger, better but just a little bit noisier bit. And it would go away as the bike broke in.
Well I am close to 1,000 miles and it is not any quieter. Going to try and get the 1,000 mile service this week and see what they say.
Last edited by Recon Dad; Sep 13, 2009 at 07:19 PM.
I have to agree my 07 fatboy 5th gear sounds like shot ! . sounds like im going 30mph in 5th gear climbing a hill. I'm going to try my 5000 oil change with a friend instead of taking it to HD, figuring they will charge me a leg to change out all of the fluids, I still plan on upgrading to a heaver oil for my transmission to quieten down 5th gear.
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