noise from dunlop sp 5000 car tire

rickmeister56 · 06-18-2009, 10:51 AM

ever since i have mounted a dunlop car tire on my nad i now get a whirring noise on decel about 40-45 mph from 5th to 4th gear and 4th to 3rd. has anyone else noticed this? didnt have it before and i didnt have it on my previous nad which was an 05. this is an 08.

**ringadingh** · 06-18-2009, 12:32 PM

Are you sure its not just tire noise that your not used to hearing, also check to see if its rubbing anywhere.

macmac · 06-18-2009, 12:38 PM

I have that same tire and hear no unusual sounds at anytime. I can clutch In going to a neutral like effect and coast slowing and don't hear any whine.

I would check the rear gear box for gear oil and then try to lift the bike and listen to the bevel gear case at the head of the drive shaft.

Probably you would need a helper to run up the gears under power and apply the brake a bit to create some load on the gears, while you with great care to safety listen using a long 3/8" ratchet extension.

DO NOT stick any tools or anything into a moving tire as you listen! It will drive a tool like that right thru yer head! First place and secure the tool and then once it is and you are sure, then you can place an ear to it.

rickmeister56 · 06-18-2009, 07:10 PM

the noise seems to diminish when i pull in the clutch and there is no load on the drivetrain. any takers

cactusjack · 06-19-2009, 01:13 AM

Well, the stock tire makes noise and by putting the car tire on, you are probably tripling the amount of contact the rear tire is making with the pavement. I haven't switched to a car tire yet, but first make sure it isn't something mechanical, and if it isn't then t may be "normal" when running a car tire on a motorcycle.

dkdixie · 06-19-2009, 06:02 AM

Like Mac, I have the same tire and do not have excessive tire noise.

macmac · 06-19-2009, 10:05 AM

Does this happen on all road surfaces? In New Hampshire the road surface can be different in place to place in drastic ways sometimes. When I headed west in the west I ran across red colored roads that made nosies and felt kinda greasey. I was in Wyoming to see that, and near dolamite mines (air stunk bad!)

Whines in general are air being squeezed out between gears, sometimes with out enough oil.

Did you use a torque wrench to tighten the axel?

Does this happen if you are slowing the way Ol' Dear gannie might like? Or are you slowing down to avoid a demon? ( I am wondering if you are sloing so rapidly that the slipper clutch is engaged)

06-18-2009, 10:51 AM	#1
rickmeister56 Member Join Date: Jul 2007 Location: offerle kansas Posts: 154	noise from dunlop sp 5000 car tire ever since i have mounted a dunlop car tire on my nad i now get a whirring noise on decel about 40-45 mph from 5th to 4th gear and 4th to 3rd. has anyone else noticed this? didnt have it before and i didnt have it on my previous nad which was an 05. this is an 08. Login or Register to Remove Ads
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06-18-2009, 12:32 PM	#2
ringadingh Join Date: Aug 2007 Location: Newmarket Ontario Canada Posts: 35,387	noise from dunlop sp 5000 car tire Are you sure its not just tire noise that your not used to hearing, also check to see if its rubbing anywhere. __________________ 2002 Nomad aka Bountyhunter VBA #27 VROC #18951
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06-18-2009, 12:38 PM	#3
macmac Sr. Contributor Join Date: Apr 2008 Location: Tamworth New Hampster 06 1600 Posts: 12,484	noise from dunlop sp 5000 car tire I have that same tire and hear no unusual sounds at anytime. I can clutch In going to a neutral like effect and coast slowing and don't hear any whine. I would check the rear gear box for gear oil and then try to lift the bike and listen to the bevel gear case at the head of the drive shaft. Probably you would need a helper to run up the gears under power and apply the brake a bit to create some load on the gears, while you with great care to safety listen using a long 3/8" ratchet extension. DO NOT stick any tools or anything into a moving tire as you listen! It will drive a tool like that right thru yer head! First place and secure the tool and then once it is and you are sure, then you can place an ear to it. __________________ 06 1600 Nomad Just call me Mac molon labe come and get it
	0

06-18-2009, 07:10 PM	#4
rickmeister56 Member Join Date: Jul 2007 Location: offerle kansas Posts: 154	noise from dunlop sp 5000 car tire the noise seems to diminish when i pull in the clutch and there is no load on the drivetrain. any takers
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06-19-2009, 01:13 AM	#5
cactusjack Mega-Contributor Join Date: Sep 2007 Location: Where it doesn't snow...ever! Posts: 21,926	noise from dunlop sp 5000 car tire Well, the stock tire makes noise and by putting the car tire on, you are probably tripling the amount of contact the rear tire is making with the pavement. I haven't switched to a car tire yet, but first make sure it isn't something mechanical, and if it isn't then t may be "normal" when running a car tire on a motorcycle. __________________ Scott "Cactusjack" Hanks VBA #00105 H.O.G. #4250060 2011 H-D Ultra Limited 103ci :: 2011 HD Electra Glide Ultra Limited w/Stage 1 :: Rallies: Mesquite '08\|Custer '09\|Cortez '10\|Crescent City '11\|Kanab '12\|Antlers '12\|Estes Park '13\|Antlers '13\|Orofino '14\|The Dalles '17 Login or Register to Remove Ads
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06-19-2009, 06:02 AM	#6
dkdixie Sr. Member Join Date: Nov 2007 Location: Blairsville in N. GA mountains Posts: 1,623	noise from dunlop sp 5000 car tire Like Mac, I have the same tire and do not have excessive tire noise. __________________ Dick Campbell Blairsville, GA 2008 Red & Black Nomad 1600 (retired) 2009 1900 Yamaha Stratoliner (retired) 2013 1900 Yamaha Stratoliner 2018 CanAm RT Limited Spyder (Sold) 2014 Goldwing Roadsmith Red Trike (Sold) 2019 Goldwing DCT Roadsmith Copper & Black Trike VBA #243 Darkside #115 Patriot Guard Rider American Legion Rider
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06-19-2009, 10:05 AM	#7
macmac Sr. Contributor Join Date: Apr 2008 Location: Tamworth New Hampster 06 1600 Posts: 12,484	noise from dunlop sp 5000 car tire Does this happen on all road surfaces? In New Hampshire the road surface can be different in place to place in drastic ways sometimes. When I headed west in the west I ran across red colored roads that made nosies and felt kinda greasey. I was in Wyoming to see that, and near dolamite mines (air stunk bad!) Whines in general are air being squeezed out between gears, sometimes with out enough oil. Did you use a torque wrench to tighten the axel? Does this happen if you are slowing the way Ol' Dear gannie might like? Or are you slowing down to avoid a demon? ( I am wondering if you are sloing so rapidly that the slipper clutch is engaged) __________________ 06 1600 Nomad Just call me Mac molon labe come and get it
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