Question about Harley Davidson FXD Dyna Super Glide Motorcycles

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Primary drive chain 1999 fxdx inspection - FXD Dyna Super Glide Harley Davidson Motorcycles

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A. With the engine cold, upward (not total) freeplay in
upper strand should be 5/8-7/8 in. (15.9-22.3 mm).
b. With the engine hot, upward (not total) freeplay in
upper strand should be 3/8-5/8 in. (9.5-15.9 mm).

Posted on Oct 18, 2014


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The first time i heard the noise i was cought in traffic the bike got alittle hoy it sounded like a ball bearing bouncing around when i got back on the road it stoped the bike run fine

Hi Kmercer, could be primary noise. Remove the square inspection cover and check to see if your primary chain adjuster slipped or came loose giving lots of chain slop. Chain should have no more than 1" total up and down play. Next drain the primary oil and check the magnet on the drain plug. Fiber or powder like accumulation is normal but if you find solid metal pieces remove the primary cover and do a through inspection of the chain, sprokets, and adjuster. If everything checks out ok you might want to take it to your local dealer or shop and let them listen to the noise. Good luck

Apr 06, 2015 | 2009 Harley Davidson FLHTC Electra Glide...

1 Answer

Where is the primary located on a 1999 sporty 1200xl

Left side usually the primary case outer cover is a chrome or polished aluminum case cover that the jiffy stand will come up to or against when it is up in riding position. Clutch cable enters in front of clutch inspection cover (derby cover) which is secured with four T-27 Torx screws. You would add fluid here and only up to the bottom of the clutch diaphragm spring. There is another small cover plate in the more forward portion of the primary case cover and this is where you would inspect the primary chain tension.

Jun 20, 2014 | 2004 Harley Davidson XL 1200 C Sportster...

1 Answer

Engine niose 2000 wide gluide

Make sure your primary chain is adjusted properly and the compensating sprocket nut is torqued to spec. The comp nut is inside the primary cover, on the front sprocket.

Jul 31, 2012 | 2000 Harley Davidson FXDX Dyna Super Glide...

1 Answer

Noise in primary when releasing the clutch sounds like chain slapping

It could be the primary chain slapping. When is the last time it was adjusted? Take the inspection cover off that's in the center of the primary cover. Reach in with your finger and lift the top run of the primary chain. It should be between 3/4" and 7/8" up and down slack in the chain with the engine cold. If it's too loose, loosen the nut on the adjuster just inside the inspection cover opening and raise the shoe to tighten the chain. Retighten the nut once you get it set correctly. If that's not the problem, it could be that the clutch discs are glazed. This is rare on the newer model bikes but I have seen it on a few occasions. The clutch disc will need to be taken out and cleaned and sandpaper used to slightly scuff the surface of the fiber discs. Try adjusting the chain first.

Good Luck & Ride Safe

Sep 10, 2011 | 2008 Harley Davidson FLHX Street Glide

1 Answer

2007 1200 sportser sounds like the gear chain is lose how do i fix it...

If you're talking about the primary drive chain on the left side of the bike, with the engine cold and engine OFF, remove the inspection plate at the top center of the primary cover. Stick your finger in the hole and lift the chain. You should have 3/8" to 1/2" up and down movement. If you need to adjust the tension on the chain, loosen the lock nut on the adjuster bolt on the bottom of the primary case. Turning the bolt upwards tightens the chain. Once you get the tension set correctly, tighten the locknut. Make sure the oil level in the primary case is correct because this same oil lubricates your transmission. You don't want to run your transmission low on oil. If you're in doubt, drain the primary and refill with one quart of oil. There may be a lubricant level plug in the backside of your primary cover.

Good Luck

Aug 06, 2011 | 2006 Harley Davidson XL 1200 C Sportster...

1 Answer

Primary drive chain seems lose

Your Big Twin primary chain should have 3/4" to 7/8" up and down travel when the engine is cold. As the engine heats up, the aluminum expands and the chain should have 5/8" to 3/4" when hot. Take the inspection cover off to check the tension. If you have an adjustable primary chain tensioner, loosen the nut and lift the adjuster to tighten the chain.


Jul 25, 2011 | 2004 Harley Davidson FLHTCUI Electra Glide...

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Very load chain sounds coming from left side of engine, could hear this when new, brought back to dealer several times they said it was normal since then i have 25,000 miles on it and the noise is much...

Now, I'll address the primary chain but the warranty is between you and your dealer. From my experiences with the dealers, don't get your hopes up though. Now, find the drain plug on the bottom side of the primary back near the derby cover. Drain the primary. If you have to take the shifter and the floorboard off to get the primary cover off, do so. Then take the bolts out of the primary and take the cover off. You'll have to take the bolts out of the oval inspection cover to get the primary off. Remove the bottom bolt and the rear bolt of the inspection cover. Once you get the cover off, look for anything obviously wrong in there. If the primary has a conventional chain tensioner, check the up and down movement in the top run of the chain. It should have 3/4 to 7/8 inch up and down play with the engine cold. If the chain has an automatic adjuster in it, the chain will be tight. Look to see if you see anything that the chain might be rubbing. Look at the underside of the inner primary at the top just above the engine sprocket for signs of rubbing. See if the chain is running in the middle of the tension shoe at the bottom of the primary.

Good Luck

Jun 08, 2011 | 2011 Harley Davidson FXCWC Softail Rocker...

1 Answer

Tention of the primary drive chain 2000, XL 1200

Remove the upper inspection cover and check the tension on the upper run of the primary chain. The up and down deflection should be 3/8 - 1/2" Cold or 1/4 - 3/8" hot engine.

Jul 27, 2010 | 2006 Harley Davidson XL 1200 C Sportster...

1 Answer

Engine chain type noise at low rpm engine has approx 40 thousand kilos on a 2008 electric glide classic

Have you checked the tension on the primary chain lately? Take the oval shaped inspection cover off the the primary cover on the right side of the bike. Check the tension on the top run of the primary chain in the middle of the run. You should have between 5/8" (15.8mm) to 7/8" (19.0mm) with the engine COLD. To adjust loosen the nut that holds the primary chain shoe in place and raise the plate to tighten the chain, lower it to loosen. Since working through the inspection cover hole is tedious, some people elect to take the outer primary cover off and then set the tension. Refill the primay with 36 to 42 ounces of the appropiate oil. Harly uses H-D Syn3 20W50 synthetic engine oil in the primary.

If the noise seems to be coming from the right hand side of the engine, it could be the cam chain tensioner and shoe. To repair this requires going into the cam chest. This is something that I do not recommend for the amateur mechanic. There are also some special tools required to work in this area.

I hope this helps
Good Luck

Jul 20, 2010 | Motorcycles

1 Answer

How to replace primary chain on a 1999 softail custom

This will be quite an involved process, just to let you know. If you have a motorcycle lift or can borrow one it makes things so much easier.
The first thing to do is drain all the oil out of your primary. Next remove the bolts from the primary, noting which ones went where as there are short and long bolts. Next under neath the primary is the adjustment for the chain tensioner. Loosen the jam nut, then unscrew the adjuster. Remove the primary cover gently, you may have to tap on it with a rubber hammer to get it loose. While removing be careful not to pull the 2 pins out of the inner primary, the are for alignment. Now you need to remove all the gasket material from the primary and the inner primary. Remove the retaining clip off you clutch hub. This is the one right where your clutch adjustment is. Once removed just pull your adjuster nut and adjuster threaded shaft out. Okay here is the fun part, in order to remove the chain you must remove both the front sproket and the rear clutch basket, etc. But before you can do this you must lock the chain from moving, Harley makes a tool for this or if you are very careful and I do mean very careful, you can take a large screwdriver and wrap it in an old T-shirt, place the wrapped screwdriver between the chain and top of the clutch sprocket. You must always lock the top of the chain NEVER the bottom. Okay the nut on your clutch assembly is reverse threaded, so while the chain is locked you turn the nut clockwise to loosen. Once lossened go to the front sprocket and repeat process, this nut is standard thread, and on tightly. Loosen this nut, then go to your chain tensioner and loosen the nut holding it on, and lower it as far as possible. remove both the nuts from the front sprocket and clutch. On the front sproket there are some items you just pull off the shaft and leave the sprocket. Note the order of removing. Okay now pull both the front sprocket and the clutch off at the same time avoiding the chain tensioner.
Now this is just advice not a must do. Inspect your sprockets for wear, if they need replacing by all means replace them...yes they are are tow trucks! Also on some 1999-2000 models the OEM chain tension could and would fail, this doesn't make for a bad day, but a REALLY bad week! My point for about a $100 you can replace the OEM tension with the Harley auto adjusting one.
Now you are ready to replace the chain and put the sprockets back on. You should use the red loctite(sp?) on both nuts, your front nut should be tighten to 150-165 ft./lbs and the rear 50-65 ft./lbs check that number for the rear before you put it back together I may be incorrect. Once you have those tightened up put your chain tension back in the proper position. Now would be a good time to make the adjustment. Place you clutch retaining plate and adjuster, then put the retain clip back in, adjust clutch. Replace gasket for primary, install primary, remove inspection plate, put oil in, bolt plate back on.
Start it up, check for leaks, all cool, get some time in the wind.
Hope this helps,


Aug 27, 2009 | Harley Davidson FXST Softail Standard...

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