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05-30-2019, 05:18 AM
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#1 |
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Member
Join Date: Feb 2016
Location: Nova Scotia
Posts: 403
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loose belt
I'm taking a chance asking this question but I'm gonna anyway :-). What are the symptoms of a drive belt that's too loose?
Changed my tires and now I have a slight...rumbling vibration for lack of a better word. Nothing that stops me from riding just trying to find out what it could be. Doesn't feel like a balance problem but not ruling it out.........Mike
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05-30-2019, 07:19 AM
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#2 |
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Member
Join Date: Aug 2017
Location: Rockingham, NC
Posts: 76
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I have always just grabbed my belt where the adjustment window is on the guard and twisted. I want it to twist about 45 degrees and no more. If you can twist it 90 degrees you are way too loose. I'm sure others will tell you to get a tension tool but this is just how I have always done it on all my bikes with no problem.
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Da Preacha 2012 Nomad Went to the darkside Ivan's flash and lots of other stuff "God is good even when we aren't!!" |
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05-30-2019, 08:05 AM
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#3 |
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Sr. Member
Join Date: Mar 2009
Location: Newburgh IN
Posts: 3,404
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Check belt tension according to your owner's manual or shop manual. Then you will know for sure if it's too loose or tight.
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05-30-2019, 11:53 AM
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#4 |
 
Join Date: May 2015
Location: Marietta, GA
Posts: 838
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+1 on what recumbentbob said, sort of. i and many others believe the factory spec is too tight. 7 -10 mm of deflection at 10 lbs works much better than the factory 5 mm. a number reports of wearing out the front pulley bearing and/or the wheel bearing when running at factory spec. a lot more complaints of loud belt whine, too. i had the whine. 10 mm eliminated it completely.
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05-30-2019, 07:11 PM
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#7 |
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Sr. Member
Join Date: Oct 2016
Location: Minneapolis
Posts: 1,562
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Just my thinking here, but at 20 bucks for the belt tensioning tool and 300+ for a belt...…. I like tools anyway so...
Yet why do I still use the 45 Degree philosophy? May have been dropped on my head as a youth one to many times?? YMMV
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Please post back after you have solved any issues 2016 1700 Vaquero 10/4/2016 2007 1500 Classic W/ Reckless Fairing, 42,000 miles 2004 600 Honda Shadow 18,000 miles 1989 500 Honda CX Custom 55,000 miles 1973 400 Kawi Triple 5,000 miles |
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05-30-2019, 08:39 PM
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#8 | |
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Jr. Member
Join Date: May 2019
Location: Coumbia SC
Posts: 32
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Quote:
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05-30-2019, 08:51 PM
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#9 | |
 
Join Date: Mar 2014
Location: Placerville, CA
Posts: 2,953
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Quote:
 
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Jim Diebolt 2015 Vulcan 1700 Voyager ABS The Black Kaw 2005 Vulcan Nomad Sold 2006 Honda 1800 VTX (Freebie) Sold 2008 Harley Ultra Classic Sold 2001 Harley Ultra Classic Sold Hangtown, Kalifornia  VBA #2625 |
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05-30-2019, 09:17 PM
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#10 |
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Advanced Member
Join Date: Apr 2014
Location: Hartselle Alabama
Posts: 991
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Yep, manual spec of 5mm deflection was way to tight on my bike. Under 10 mph it would stop you like applying brakes and felt notchy, if that's a word.
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Have A Good One, Chuck Patriot Guard Riders Sons Of Liberty Riders Alabama Road Captain 2015 Voyager 2003 1500 NOMAD FI sold 6/19 VBA #2993 RUSSELL DAYLONG SEATS ROCK!! DAMMIT TOOL: Any handy tool that you grab and throw across the garage while yelling "DAMMIT" at the top of your lungs There is no substitute for laminar flow in which a helmet is the primary disturbance. SO MANY ROADS, SO LITTLE TIME. 
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