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Belt Adjustment

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Old Feb 6, 2019 | 07:10 PM
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Default Belt Adjustment

I have my service manual and have read it concerning belt adjustment. Mine is very loose. My question is does everyone use the prescribed HD tension gauge?

I have mine up in the air currently, moving the turn signals and making and installing my quick disconnect hard bag I recently acquired. Would like to get the belt adjusted while it's in the air. Looks like it is near the end of adjustment room, and am hoping there is enough for this last adjustment before belt replacement.

I want to change the front sprocket to an 883 28 tooth, and would like to swap the belt then. I hope!
 
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Old Feb 6, 2019 | 07:18 PM
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i use the motion pro tool, 10lbs i think and use the HD guage for measurement...works good
 

Last edited by Zateeva; Feb 6, 2019 at 07:20 PM.
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Old Feb 6, 2019 | 07:23 PM
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Ok it looks like I need to get SOME gauge?
 
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Old Feb 6, 2019 | 07:35 PM
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You can always tighten it up 1/8 - 1/4 turn at a time and see. That's what I would do. Just mark the adjuster nuts so you can move them the same amount. I'm sure you'll end up within the margin for error.

John
 

Last edited by John Harper; Feb 6, 2019 at 07:36 PM.
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Old Feb 6, 2019 | 07:36 PM
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after a few times using the motion pro tool, u can do it by feel........with the gauge in the belt gaurd for you measurement or a ruler, tape measure
 

Last edited by Zateeva; Feb 6, 2019 at 08:13 PM.
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Old Feb 7, 2019 | 12:01 AM
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Yea I will have to do it by feel for now because it is loose. Will get a gauge on order, to double check myself.

Funny, we left for bible study shortly after I posted this, and it dawned on me, my comment about adjusting it in the air, but it has to be checked sitting on the ground. Have to remember that.
 
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Old Feb 7, 2019 | 06:00 AM
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I think to this day the only 'proper' H-D tool I own is the belt gauge, which I've owned for around 30 years now. There are various backyard ways of 'checking' tension, but none of them predictable or reliable IMHO.
 
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Old Feb 7, 2019 | 06:11 AM
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I have mine up in the air currently
Is the full weight of the bike on the wheels? Review checking tension.

Move vehicle forward or back, rotating rear wheel to find tightest point in belt. Measure belt deflection at that point.

Measure belt deflection with no rider or cargo on motorcycle, transmission in neutral, belt and sprockets at ambient temperature (cold engine) and motorcycle resting on jiffy stand.

EDIT: Just fully read your second posting - yep.
 

Last edited by Andy from Sandy; Feb 7, 2019 at 06:15 AM.
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Old Feb 7, 2019 | 06:14 AM
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It is worth adding that if we change shocks, especially for shorter or longer ones, we should check and reset belt tension.
 
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Old Feb 7, 2019 | 06:45 AM
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As a final thought, is the wheel aligned properly to start with? By turning the adjusters an equal amount means you are putting your faith in the last guy.

I have not made this adjustment on my bike but I have done the adjustment on a trike. All I did then was after an eyeball adjustment was see that the belt rode in the centre of the pulley when I turned the pulley both forward and backward.
 

Last edited by Andy from Sandy; Feb 7, 2019 at 06:47 AM.
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