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Buell Forum » Old School Buell » Archives OSB 001 » Archive through May 29, 2007 » Buzzing noise while above 30mph « Previous Next »

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Suzie
Posted on Tuesday, May 22, 2007 - 11:06 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

i have a buzzing /humming noise comming from the transmission area. the noise will stop when im slower then 30mph or in 1st gear.

what could it be? i have checked oil level and its fine.

thanks
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Suzie
Posted on Tuesday, May 22, 2007 - 11:08 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Opps.

I have 95 S2 with 9000 miles on it.

thanks
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Natexlh1000
Posted on Tuesday, May 22, 2007 - 11:30 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Primary chain?
Two screws away from knowing one way or another eh?
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Bad_karma
Posted on Wednesday, May 23, 2007 - 02:45 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Suzie,
Does the noise vary with engine speed or ground speed? Does it change with the clutch in or out?
Joe
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Suzie
Posted on Wednesday, May 23, 2007 - 07:28 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

bad_karma,

its ground speed and both clutch in and out.

i checked the adjustment of the chain...it hasnt loosend and looks good through the peep hole.

thanks
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Blake
Posted on Thursday, May 24, 2007 - 03:26 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Something rubbing the drive belt?
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Ratbuell
Posted on Thursday, May 24, 2007 - 08:40 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I second the drivebelt motion. Check all around for something contacting it - rear fender plastic, front pulley cover...see if it changes with throttle load, too. I had a rub on my S1W, but only on decel when the slack of the belt was on the top...it would rub the inside of the fender/belt guard. Accel, no problem because the slack was on the bottom side. Also check your belt for signs of scratching/rubbing and make sure you don't have any chips or chunks missing. Doubtful, but a good excuse to check : )
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Naustin
Posted on Thursday, May 24, 2007 - 10:21 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Could it be a wheel bearing? Or maybe the output shaft bearing that gets cooked when the belts are too tight?
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Eshardball
Posted on Thursday, May 24, 2007 - 10:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Ditto on the Mainshaft 5th bearing. Make sure the seal in the front pulley is still there and the bearing hasn't started to walk.
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Ratbuell
Posted on Thursday, May 24, 2007 - 11:31 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

My mainshaft 5th bearing went out, as the mainshaft walked towards the belt and the gears acted up (giving me 2 ratios at once, and a BIG pucker when the wheel locked up). No noise other than a slight scraping that I thought was clutch pack...
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Bad_karma
Posted on Monday, May 28, 2007 - 04:36 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Suzie,
I'm interested in the cause and correction of your noise.
Thanks Joe
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Suzie
Posted on Monday, May 28, 2007 - 01:13 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

i got it!!!
its my belt that buzzing or humming. i jacked the rear of the bike and put it in gear.

is there some sort of lube for the belt that i can try?

the belt is not frade nor damaged in any way.
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Bad_karma
Posted on Tuesday, May 29, 2007 - 12:02 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Suzie,
I wouldn't lube that belt. Check for alignment of belt on the pulleys and wheel alignment. With luck it will be something simple.
Joe
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Tattoodnscrewd
Posted on Tuesday, May 29, 2007 - 12:42 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Also - check to make sure the belt isn't too tight ... remember - scary loose on the drive belt.
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