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Anonymous Posted on Jun 20, 2012

2008 Road King Classic, rattle from primary

There is a rattleing noise coming from the primary while running.

2 Answers

Strech

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  • Harley Davidson Master 1,562 Answers
  • Posted on Sep 13, 2013
Strech
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I also have a 2008 Road King Classic that had a chain-like noise when running.

Starting in 2007, the touring bikes have a spring-loaded primary tensioner.
While good in theory, it's not a perfect science.

Try this:
In first gear, accelerate hard up to about 30 MPH.
Then get off the gas, and brake with the rear brake as hard as you can without locking up the wheel. Do this with the clutch engaged (clutch lever released) until it gets slow enough that you have to pull the clutch lever in to prevent a stall.

What this does is puts a load on the chain, tightening the top run, and giving maximum looseness to the lower run, where the adjuster works off of.
This (in theory) should take enough load off the adjuster spring so that it tries to tighten the chain to the next tooth on the ratcheting mechanism that prevents the adjuster from backing off.
If you notice a change of noise/condition goes away, that was your problem (and you'll know what to do next time you hear it).
If not, you might have to go into the primary cover and see what's up.

Brett Drew

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  • Harley Davidson Master 449 Answers
  • Posted on Jun 20, 2012
Brett Drew
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Chances are either the nut on the compensating sprocket is loose or the primary chain is loose.

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5 Related Answers

Anonymous

  • 1 Answer
  • Posted on Dec 08, 2008

SOURCE: new handgrips on 2008 road king

check any service manual, they are all about the same system. I think I know what you are saying though.Take the switch housing off the right side, twist the throttle one way then the other to dis connect cables( there is 2). Old grip should slip right off. Is ther manual cruise on it? If so, that will need to be dis assembled as well (in the switch housing) It is not easy to do if you have big mitts.

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goalie39

Ed

  • 479 Answers
  • Posted on Apr 13, 2009

SOURCE: My Road King Classic is less than a year old. I

Check fuses, any thing added lately?

goalie39

Ed

  • 479 Answers
  • Posted on Apr 13, 2009

SOURCE: How do you set the cruise control on my 2008 Road

You should have a cruise on and off switch on your dash unit, turn this on. a Red cruise indicator should come on on the tach or speedo. On the right hand set of controls you should have a set/resume rocker switch, Get the bike to the desired speed and push to the set, if you have done this correctly the small cruise indicator should come up Green on your tach or speedo. If you apply the brakes cruise will come off and the indicator will become red again. Get the bike up to speed and hit resume to return to desired speed.
To alter speed while underway, the set / resume button also double as the accelerate / coast button. if you wist to increase your cruise speed move the button to the ACC position until the desired speed is acheived, same for reducing cruising speed, hold to the coast position until desired speed is met then release button.

I don't believe the cruise will lock in if you are below 60kmph or 35mph, as it is meant for highway use.

Anonymous

  • 10 Answers
  • Posted on May 17, 2009

SOURCE: rattling noise top end of engine

The first thing I would do is change the oil and clean the screen. I would use a lighter oil for the winter (10w40) if your bike uses it. Running some "seafoam" in the tank wouldn't hurt and making sure your gas is the proper octane
cam chain would make more of a slapping noise so it may be a sticky lifter. While I don't use SeaFoam in my "oil" the directions states that you can use for about 100 miles prior to an oil change to clean out carbon and gum inside the engine. That would be a personal call so you'll have to decide if you want to do that. I use Seafoam in the gas...just never have put it in the oil yet. Also...some use Marvel Mystery Oil and claim it helps clear up sticky lifters. If you use either product be sure to follow the directions carefully.
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Anonymous

  • 31 Answers
  • Posted on Sep 13, 2009

SOURCE: 2008 road king classic, has 2 toggle switches on

It is for any thing you may wont to add like extra lighting or 12volt power. They are usually just wired with a hot wire in and a plug or post for you to add a 12v line to assory

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Rattling coming from the primary

Could be loose chain, most likely loose compensator.
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2008 road king classic I have a tick sound on left side?

Does it sound like a chain noise, coming from the primary case?

In 2007, Harley changed the primary chain tension adjuster to an "automatic", spring loaded one, that doesn't work very well.

You can bolt in an older manual adjuster, BUT the area that USED to be an inspection/access cover on the outer primary cover is now a solid area, so you'd have to remove the outer primary cover everytime you adjust the primary chain.

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Hi, i have 2001 road king classic. at about 50mph and 3200 rpm i hear a rattle down by the shifter goes away when i put it in the clutch. do you know what is causing this? left side.. its not any loose...

Steve, when is the last time you adjusted your primary chain? If the chain gets too loose, you'll hear a rattle like that when you let off on the gas. If you pull in the clutch, you must let off on the gas to keep the engine from over revving. This is about the only thing I know of that could be causing the problem.

But, just to be sure, I'd drain the primary case and remove the outer primary cover. Disconnect the battery, remove anything that might be in the way. You'll have to remove the oval shaped inspection cover as well. Remove all the bolts and take the outer primary off. Then, you can adjust the chain easily. Adjust it so you have between 5/8" and 7/8" up and down play in the middle of the top run of the chain. Look on the inside of the primary underneath the top in the front at the bolt hole. You can see if the chain has been hitting there by the marks on the underside of the inner primary.

I hope this helps.

Good Luck
steve
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RATTLING NOISE ON THE PASSENGER SIDE FRONT TIRE

The first thing to check on a rattling noise is if going over minor bumps in the road if that is when it makes noise is a sway bar link, they make a rattling noise. If you raise that wheel up you might also want to try and wobble the wheel to be sure it is not a tie rod end or ball joint. Typically I run into the sway bar links or the sway bar bushings making the noise. However ive even seen it be a rock sitting on the strut plate.
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How do you change the brakes on a 2008 road king classic

There are two long bolts (Torqx type bolts) that hold the rear caliper into it's bracket, Remove the two bolts and lift the caliper off the rear caliper bracket. Notice how the pads and the "anti-rattle clips" are positioned in the caliper bracket. Replace the pads and anti-rattle clips with new ones.

Now you'll need to get the piston pressed back into the caliper. Use a large C-clamp or a pair of slip joint pliers to do this with. Use a rag or something to keep from scratching your paint or scoring the piston. Once the piston is all the way back in it's bore, replace the caliper in it's bracket being careful not to disturn the pads. Pump the rear brake pedal a few times slowly until you build up pressure. Test the brakes before riding the bike. An improperly performed brake job can cause serious injury or death. Make sure everything is right before riding the bike.
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