Newbie here.

Does this problem pertain to an '09 FXDF?

Is this a DIY job or should a mechanic do it?

Would installing these affect the warranty?

Thanks

 

certainly looks like the tru track could interfere with a front mounted oil cooler... true or false?
is this an issue with the Sputh as well?

 

I can get a discount on the Sputhe if 9 people will buy in with me. $310 plus $9 shipping via Priority mail. Sputhe makes great products. Let me know and I will buy the 10 needed.

 

Quote:

You gotta remember the rubber mount HD's combine the engine, trans, swingarm and rear wheel into one unit floating inside the frame on the rubber mounts; like the Norton isolastic, you all remember the Nortons; right???

Sharkey,......you hit the nail on the head. I believe this is the whole reason behind the Dynas handling/vibration problems. If the swingarm pivoted off the frame in a conventional (normal) mounting, there would no doubt be less negative feedback coming thru the chassis. Hell,.....I see it as a design flaw, when you consider what the rubber mounts are intended to do, they fall way short of doing their job. This setup should be offered by HD as a courtesy repair to everyone that took their bike in for service concerning this vibration/shake and was blown off with "we didn't feel anything abnormal". The FXR was rubber mounted BUT the swingarm pivoted off the frame, not the engine/transmission assembly. I wonder if an automotive style, silicone filled hydraulic rubber mount would have good results in this application.

Waterman well said,......

Furyus you can spend allot of time doing chasis/wheel alignment and not reduce the "symptom of the design" which has the swingarm moving with the engine/transmission. You can have the alignment perfect on the lift, its still gonna have some variation going down the road because of the design, which is what everyone is feeling.

Muddyape, thanks for the write up. Are there any clearance concerns with the install? It's hard to tell from the pics but it looks like the rear inner heim joint is real close to if not touching the rear brake light pressure switch.

Tech23.

 

Check the October 08 issue of AI for an install piece on the Sputhe set up.

 

I think we should file a major complain so HD can repair this for free. Anyone knows the way to do this together?

 

I agree, auto manufacturers are held responsible for their products "not working as designed". You know the HD dealer Techs most likely are handed RO's fairly frequently in the shop that are Dyna vibration/shake related customer concerns. If they say they feel it and fail to fix it, they have opened a "can of worms" (buy back),.....it is easier, and puts them in a position of less liability to state....."No abnormal vibration felt during road test. The bike is operating as per manufacturers specifications". I wonder why the motor mounts have been superceded I think it is two times now. I am guessing the rubber compound has either changed or the vendor or both.

Tech23.

 

I would bet HD would call it a design characteristic rather than a flaw; as for my part; when I take a bike designed for 13lbs per HP and re-do it to 7 lbs per HP, I expect to have to buy more than chrome valve covers when done. Simply put; probably 99% of Dyna riders would never think there was a problem. Add a couple hundred more pounds (FLH) and a few more may notice...

 

Thanks for the review.

The watermelon guy sure has an attitude but not much else.

 

I fitted TrueTrack kits to my 1990 FLHS and my wife's 2003 Dyna earlier this year. Transformed both bikes. Anyone doubting the benefits needs to stop guessing and get out there to ride a bike with a stabilizer kit! There are several brands, any of which will probably do a good job.

I bought TrueTrack because only they (as far as I can find) do a kit for earlier Evos.

A few points from queries raised earlier on this thread.

Rubber-mount Harleys do indeed attach the swingarm to the gearbox and suspend the whole lot in the frame just like Norton Commandos. A friend of mine was a development engineer at Norton, here in the UK, so I got to learn a lot about them. The swingarm is mounted to the gearbox to keep the chain/belt in line between wheel and gearbox.

Norton's system was flawed in many ways, the Buell system being far superior. In 2005 a Firebolt was rewarded in the UK by one of our major bike mags as the best handling bike of the year, ahead of every other model.

Rubber-mount Harleys all have three-point mounting, one being a stabilizer link at the heads. Touring models have another stabilizer link at the front of the motor. Dynas have no front stabilizer. Erik Buell invented the third stabilizer, patented it in the 1980s, which is on all his models and the rubber Sportsters.

Rubber mounting has tested all the major bike manufacturers, who between them have filed dozens of patents to solve the problems engine vibration causes, one of which is maintaining handling quality. Buell has probably the best solution and it is a shame all Harleys do not have three stabilizers.

My TrueTrack kits provide the 'missing' third link for the Glide, underneath the gearbox, and front and rear stabilizers for the Dyna. These links show our Dyna - not as clean as Muddyapes!

https://www.hdforums.com/forum/album...ictureid=11502

https://www.hdforums.com/forum/album...ictureid=11501

I haven't detected any increase of vibration on either bike. We have two Harleys and a Buell in our garage, each with three stabilizers. What are the rest of you waiting for?!