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Primary chain too tight?

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Old Jul 29, 2023 | 06:44 PM
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Default Primary chain too tight?

I’ve just replaced the spring pack in my compensator, and after putting everything back together and starting the bike, I now hear a whining noise while the bike is idling.

I did the Chain tension to spec, but didn’t check in multiple spots, so there’s a chance that it is tighter than it is supposed to be. I just wanted some confirmation on what you guys think it would be, before I go back into the primary.

here is a link to a video of the sound:
https://youtube.com/shorts/QaOvVH2Ap14?feature=share

thanks
 
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Old Jul 29, 2023 | 07:53 PM
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Need to check in multiple spots, chain will tighten as it get hotter from the expansion of the clutch pack and compensator.

Adjust at the tightest spot to spec.

Year a specific model of motorcycle would be helpful as some are manual, some are self adjusting.

Was the compensator and clutch pack gears in alignment to spec?

Originally Posted by chopper_man
You shouldn't be using the chain itself for alignment measurements. You should be going sprocket to sprocket. Few reasons, 1st is the chain may not be aligned exactly the same on both sprockets, ie one side could be forward and the other back, it is not an "exact" fit on the sprockets. Next, chains don't have the manufacturing tolerances as engines. Finally, the chain could have a slight "bow" in it considering XX miles and being almost 20 years old and unless you took the chain off, flipped it and measured again you have no way to know that.
 

Last edited by CoolBreeze3646; Jul 29, 2023 at 07:55 PM.
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Old Jul 29, 2023 | 08:07 PM
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What bike and engine is this? Most later HD's have auto chain tensioners where no adjustment is required. Is yours a manual setup?

Paul
 
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Old Jul 29, 2023 | 11:03 PM
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Originally Posted by CoolBreeze3646
Need to check in multiple spots, chain will tighten as it get hotter from the expansion of the clutch pack and compensator.

Adjust at the tightest spot to spec.

Year a specific model of motorcycle would be helpful as some are manual, some are self adjusting.

Was the compensator and clutch pack gears in alignment to spec?
It’s an ‘06 deuce, so manual tensioner. As for alignment, I ordered a smaller spacer than what was stock in it (it was still basically the same size), but the chain was still out of alignment. I did not check sprocket to sprocket, but I would assumed it’s the same as it was before I took everything apart and put it back together.
 

Last edited by lilfi5hy; Jul 29, 2023 at 11:05 PM.
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Old Jul 29, 2023 | 11:05 PM
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Originally Posted by pgreer
What bike and engine is this? Most later HD's have auto chain tensioners where no adjustment is required. Is yours a manual setup?

Paul
manual tensioner for mine. ‘06 deuce
 
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