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ulm210
Big Brick Rider
Joined: 07 Apr 2009
Posts: 56
Location: Northern Illinois
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 Posted: Mon Jun 15, 2009 3:43 pm Post subject: noisy finaldrive |
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I have noticed that when I get up above 65mph I can really hear the finaldrive. It is definately a mechanical sound, what I will refer to as a "whirring" noise. It does not sound as if there is anything loose or "grinding" and if not for my newbie-ultrasensitive hearing I may not even have noticed it.
I do not know if this is normal. The noise is almost imperceptible below 65.
Any thoughts? |
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Jim
Site Admin
Joined: 17 May 2003
Posts: 3841
Location: WHERETHEFUNNEVERENDS
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| Posted: Mon Jun 15, 2009 5:27 pm Post subject: noisy final drive |
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Yeah - you need to install a Remus or Staintune exhaust 
I've never heard any noise from the final drive. What color is the gear oil when you change it? If it's not coming out close to the same color it went in, something is being eaten up in there... 
_________________
Jim
1997 K1100LTSE 94,000 - still has gremlins!
1995 R100RT Classic 16,650 crashed - repaired!
1992 K75RTP 46,000
"We shall not all die, but we shall all be changed." |
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whyoldbill
Flying Brick Rider
Joined: 12 Jun 2006
Posts: 440
Location: in the boonies, northwest of Columbus, Ohio
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| Posted: Mon Jun 15, 2009 7:00 pm Post subject: re: noisy finaldrive |
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Just a thought,
Could it be your rear tire (or tyre) whining?
If it IS something in the final drive, can you hear it with the bike on the center stand?
'Twas a lonely one, but a thought nonetheless...
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'02 - GL1800
The desired effect is what you get when you improve your interplanetary funksmanship - George Clinton |
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Scott_Anderson
Site Admin
Joined: 05 Sep 2006
Posts: 3122
Location: Central Iowa, USA
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| Posted: Mon Jun 15, 2009 7:39 pm Post subject: Re: re: noisy finaldrive |
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| whyoldbill wrote: | Just a thought,
Could it be your rear tire (or tyre) whining?
If it IS something in the final drive, can you hear it with the bike on the center stand?
'Twas a lonely one, but a thought nonetheless... |
What they both said, check on the center stand and then check the oil.
Welcome to the forum "whyoldbill", and before someone else says it pics are essential here.
_________________
Ride safe.
1995 K1100LT 0302044
2017 FLHTK Ultra Limited
Garmin StreetPilot 2820
Garmin Zumo 550
Garmin Zumo XT
"One who does not ask questions is ashamed to learn" Danish proverb
1997 K1100LT 0302488(R.I.P.)
1997 R1100RT ZC62149(sold) |
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Flying Duck
PsyKotic Waterfowl
Joined: 27 Jan 2005
Posts: 10102
Location: Bumf***, WA
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| Posted: Mon Jun 15, 2009 7:45 pm Post subject: |
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Wear ear plugs. They protect your hearing and reduce paranoia.
_________________
93 LT (x2)
94 RS
86-97 K75F(K75/100/1100 Frankenbrick)
86 K75C w/paralever, hi perf cams,TURBO!
91 & 92 K75Ss
91 K1
86 custom K100
14 WR250R
IBA #17739 (SS1K, BBG, 50CC)
Buy parts HERE |
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Stoked Steve
Flying Brick Rider
Joined: 01 Sep 2004
Posts: 1402
Location: Virginia Beach, VA
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| Posted: Mon Jun 15, 2009 7:58 pm Post subject: |
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The morning before my U-joint bought the farm, I noticed a horrible grinding sound, but wasn't wearing my ear plugs, the gang all said, put your ear plugs back in!
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Steve
Virginia Beach, VA
93 K1100RS Mystic Red SOLD
12 Suzuki DL650A VStrom |
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ulm210
Big Brick Rider
Joined: 07 Apr 2009
Posts: 56
Location: Northern Illinois
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| Posted: Tue Jun 16, 2009 9:47 am Post subject: |
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I have not drained the fluid and as I just bought the bike have no idea what color it was when it went in. I plan on doing th efluid tomorrow after getting some tonight. Does everyone agree 75/90 is what to use?
Do you think that since I only hear it at high speeds (70mph) that it is ok to try to simulate that on the centerstand?
Right or wrong I have always felt that any type of "freewheeling" is unnacepptable for something that typically experiences a force of resistance.
Thanks Duck, I just ordered earplugs from Chicago BMW, I should have them sometime towards the end of July... |
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Mystic Red
Flying Brick Rider
Joined: 28 Mar 2005
Posts: 2330
Location: Twin Lakes Idaho
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| Posted: Tue Jun 16, 2009 7:05 pm Post subject: |
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| Quote: | | Thanks Duck, I just ordered earplugs from Chicago BMW, I should have them sometime towards the end of July... |
The plug is magnetic. Check for large hunks of ferrous material clinging to it.
The color of the oil is usually amber in nature about the color of honey. 
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Scott Hespelt, '94 K11LT
K11 OG #466 |
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Stoked Steve
Flying Brick Rider
Joined: 01 Sep 2004
Posts: 1402
Location: Virginia Beach, VA
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| Posted: Tue Jun 16, 2009 7:52 pm Post subject: |
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| Quote: | | Thanks Duck, I just ordered earplugs from Chicago BMW, I should have them sometime towards the end of July... |
You can pick some basic foam earplugs from any hardware store or any motorcycle shop ought to have some Hearo's. I don't leave home without them, or my Koss earbud headphones for my MP3, but something to block the wind roar (and u-joint grind )
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Steve
Virginia Beach, VA
93 K1100RS Mystic Red SOLD
12 Suzuki DL650A VStrom |
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Flying Duck
PsyKotic Waterfowl
Joined: 27 Jan 2005
Posts: 10102
Location: Bumf***, WA
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| Posted: Tue Jun 16, 2009 8:00 pm Post subject: |
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| skdonlan wrote: | | Quote: | | Thanks Duck, I just ordered earplugs from Chicago BMW, I should have them sometime towards the end of July... |
You can pick some basic foam earplugs from any hardware store or any motorcycle shop ought to have some Hearo's. I don't leave home without them, or my Koss earbud headphones for my MP3, but something to block the wind roar (and u-joint grind ) |
You should try the JVC Marshmallow earbuds - about $16/pair at Wal-Mart. They sound just as good but seem to fit a little deeper in the ear(mine anyhow) and are more durable.
_________________
93 LT (x2)
94 RS
86-97 K75F(K75/100/1100 Frankenbrick)
86 K75C w/paralever, hi perf cams,TURBO!
91 & 92 K75Ss
91 K1
86 custom K100
14 WR250R
IBA #17739 (SS1K, BBG, 50CC)
Buy parts HERE |
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Shoganai
Biscuit Fluffer
Joined: 27 Apr 2005
Posts: 2234
Location: Culpeper,VA
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| Posted: Tue Jun 16, 2009 11:56 pm Post subject: |
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| Flying Duck wrote: | | Wear ear plugs. They protect your hearing and reduce paranoia. |
_________________
1993 K1100RS aka The Shop Whore
1994 K1100RS aka Blue Streak
The long road is a rainbow and the pot of gold lies there.
So slip the chain and I'm off again,
You'll find me everywhere. I'm a Rover. - JT
Nana korobi ya oki |
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ulm210
Big Brick Rider
Joined: 07 Apr 2009
Posts: 56
Location: Northern Illinois
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| Posted: Wed Jun 17, 2009 2:11 pm Post subject: |
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[quote="Flying Duck"][quote="skdonlan"][quote]Thanks Duck, I just ordered earplugs from Chicago BMW, I should have them sometime towards the end of July...[/quote]
You can pick some basic foam earplugs from any hardware store or any motorcycle shop ought to have some Hearo's. I don't leave home without them, or my Koss earbud headphones for my MP3, but something to block the wind roar (and u-joint grind )[/quote]
You should try the JVC Marshmallow earbuds - about $16/pair at Wal-Mart. They sound just as good but seem to fit a little deeper in the ear(mine anyhow) and are more durable.[/quote]
My attempt at humor in re: to another thread about how long it takes CBMW to ship things out... |
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SugarHillCTD
Site Admin
Joined: 10 Oct 2007
Posts: 4238
Location: Now in Eastern Pennsylvania
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| Posted: Wed Jun 17, 2009 2:53 pm Post subject: |
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| ulm210 wrote: | | Flying Duck wrote: | | skdonlan wrote: | | Quote: | | Thanks Duck, I just ordered earplugs from Chicago BMW, I should have them sometime towards the end of July... |
You can pick some basic foam earplugs from any hardware store or any motorcycle shop ought to have some Hearo's. I don't leave home without them, or my Koss earbud headphones for my MP3, but something to block the wind roar (and u-joint grind ) |
You should try the JVC Marshmallow earbuds - about $16/pair at Wal-Mart. They sound just as good but seem to fit a little deeper in the ear(mine anyhow) and are more durable. |
My attempt at humor in re: to another thread about how long it takes CBMW to ship things out... |
You humor wasn't lost on me.
If I were you I would look at the final drive fluid ASAP- if there is any...
The noise could also be coming from the driveshaft U-joint- ask Steve (skdonlan) about a failure there.
John
_________________
John & Cathy
'92 K100RS4V Pearl White SOLD
'04 K1200GT
IBA Several-SS1k, BBG, 50CC NYC to S.F. |
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Stoked Steve
Flying Brick Rider
Joined: 01 Sep 2004
Posts: 1402
Location: Virginia Beach, VA
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| Posted: Wed Jun 17, 2009 9:23 pm Post subject: |
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| Quote: | The noise could also be coming from the driveshaft U-joint- ask Steve (skdonlan) about a failure there.
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Since you brought it up, I've been wanting to point out a simple test/sign that a U-joint is on it's way out.
With the bike up on the center stand, rotate the rear wheel by hand and listen. For awhile I'd been able to hear a slight clunk, clink, clunk, clink that didn't sound awful, I just assumed that was the U-joints just doing their rotating thing. I now know that was the beginning of the end of my forward U-joint. With the new one installed, there is no sound what so ever coming from the drive shaft, or rear end when rotated by hand. I'll be checking mine regularly from now on.
Thanks for the head phone tip Duck, I'm always on the lookout for comfy headphones that I can wear under my helmet. For that price, I'll check out a pair.
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Steve
Virginia Beach, VA
93 K1100RS Mystic Red SOLD
12 Suzuki DL650A VStrom |
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