is this the result of a to loose belt - Kawasaki Vulcan Forum : Vulcan Forums
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post #1 of 20 (permalink) Old 07-08-2013, 06:00 PM Thread Starter
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is this the result of a to loose belt

Hi!! next week we are going in vacation with my vulcan so I decide to check the bike. I Have remove the front pulley cover to see how is it under and go for a ride with the cover off! My belt is align ( mark are equal on both side!) and I did not tight the belt to tight because we gone be load of stuff for one week + my girl friend on the back..... so look at the video and tell me wath you think please!! and If its a not tight enough belt.... I have read a lot of thread of members they said belt should not be tight! ( in the video you will see the belt go trough the left this is wen I release the feeder more compression more to the left! and the belt take is place wen I feed again !
http://s277.photobucket.com/user/mad...cad22.mp4.html

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post #2 of 20 (permalink) Old 07-08-2013, 06:46 PM
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I'd say that if it isn't squealing, and your alignment marks are still good, there shouldn't be a problem. Keep in mind I am NOT a motorcycle tech and really aren't qualified to make solid recommendations. But our belts all might travel a bit. I have never seen anybody remove the cover and film the belt while traveling.

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post #3 of 20 (permalink) Old 07-08-2013, 06:58 PM Thread Starter
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I just show the video to one of my friend is a Harley mechanic. and e said : tight your belt a bit and stop being so picky!!! I know I have the tendency to be perfectionist I have to be all week long at my job so.....

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Last edited by madmaths; 07-08-2013 at 08:03 PM.
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post #4 of 20 (permalink) Old 07-08-2013, 08:46 PM
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There is a spec tension that the belt has to be at .... you need a belt tension gauge to set it correctly.

for those who say the spec setting is to tight, I am always amazed at how they know more than the engineers that designed the bike and the belt.

As i flipped into 5th, i couldnt remember a damn thing she said
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post #5 of 20 (permalink) Old 07-08-2013, 09:12 PM Thread Starter
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Quote:
Originally Posted by whiting57 View Post
There is a spec tension that the belt has to be at .... you need a belt tension gauge to set it correctly.

for those who say the spec setting is to tight, I am always amazed at how they know more than the engineers that designed the bike and the belt.
Yep!! Agree!!

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post #6 of 20 (permalink) Old 07-08-2013, 09:50 PM
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Belt Tension (one more time)

I am one who says the belt is way too tight with factory specs. My tech at the shop says the same. He told me he couldn't change it but he gave me enough info that I got the point. I set mine like the Harley's and it stopped some noise and also took some pressure off the bearings. A simple rule of thumb is to be able to twist the belt no more than 45 deg. at mid point. I have been there for six yrs. with no probs. Consider the tension of the belt w/ the bike empty then add about 250 lbs. for passenger and gear. Remember the chain driven bikes? I am not sure, but I have not found another bike with this tight of a belt. I am sure I haven't checked them all but I have checked a lot. When I bought my bike in 07 this was one of the first things I noticed and changed. I am not a Tech, nor am I smarter than the Factory engineers, but I do have an engineering back ground that tells me it was too tight.
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post #7 of 20 (permalink) Old 07-08-2013, 11:49 PM
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I have no doubt there are over tight / loose belts out there, I assume due to the "Home do it your selfer" who has a crack at adjusting it and does not have a tension tool.

I have had my bike serviced at 3 different Kawasaki dealerships in its life span ... all 3 used a tension tool to check the belt tension as part of the service or when I was replacing rear tires.

I will stick with the factory specs, I have 24K and 4 plus years on the belt and both pulleys.

The belt has been subjected to riding temps ranging from 25F to 117F, with extensive 2 up riding and pulling a trailer, both the belt and pulleys look near new, and I have had no issues and no squealing.

As i flipped into 5th, i couldnt remember a damn thing she said
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post #8 of 20 (permalink) Old 07-09-2013, 01:11 AM
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kawasaki spec are too tight bad for the belt bad for the bearings

sure kawasaki wants your belts super tight that how they make a living

just like they want over 400 dollars for a belt that you can pick up the same belt at charlie davison for 160.00

im so confused


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post #9 of 20 (permalink) Old 07-09-2013, 08:32 AM
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Check to make SURE the front pulley is not loose on the output shaft spline.
To do that, you MUST take the pulley off, check for spline wear on both pulley and shaft. They must fit very close with no wobble or slop when the pulley is on the shaft with no belt or nut.

This is a check that will not be a waste of time.

If everything is OK, then re-assemble with:

1. http://www.skf.com/group/products/ma...ent/index.html Best choice.

2. Moly grease, second best choice.
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post #10 of 20 (permalink) Old 07-09-2013, 10:06 AM
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Quote:
Originally Posted by sfair View Post
Check to make SURE the front pulley is not loose on the output shaft spline.
To do that, you MUST take the pulley off, check for spline wear on both pulley and shaft. They must fit very close with no wobble or slop when the pulley is on the shaft with no belt or nut.

This is a check that will not be a waste of time.

If everything is OK, then re-assemble with:

1. http://www.skf.com/group/products/ma...ent/index.html Best choice.

2. Moly grease, second best choice.

sfair: In your opinion should this check be added as part of a routine maintenance schedule even if the pulley is 'factory' and has never been taken off before?

Thanks

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