Inner Primary bearing failure/Primary Oil Used
 

If your 06 later Dyna experienced inner primary bearing failure, what oilwere youusing in the primary at time of failure?

RE: Inner Primary bearing failure/Primary Oil Used
 

I started off with the factory oil then at the 1600 km service i went with syn3, then shortly after switched to amsoil 20/50 in primary and enigine and amsoil 75/90 in the trans. Bearing failed arround 8k

RE: Inner Primary bearing failure/Primary Oil Used
 

Come on guys. I'd be interested in this as well.

RE: Inner Primary bearing failure/Primary Oil Used
 

Not wanting to change the subject too much here, but as a automotive machinist Ithink I'm capable of diagnosing component failure. Case in point: I've had two new Evo 4spd Sportsters that were babied and still both ate outer trans trust bearings (washers). Both trans were shimmed within spec. The material was actually swapped (friction welded) between the cast in case insert and the thrust washer. It was obvious to methe H-D Sport Trans Fluid wasn't doing it's job. Needless to say, I now longer have faith in their concoctions and use something else (from what they recommend)in their bikes regardless of model, including my 06 Bob

RE: Inner Primary bearing failure/Primary Oil Used
 

Amsoil synthetic 20W50. Put it in @ 5000 service and at the recent 10,000 mile service, not sure if I can count that, as the bearing is now cooked! Tim

RE: Inner Primary bearing failure/Primary Oil Used
 

Cynic, you sure it is not a supply issue as opposed to a concoction issue??

How is the lubricant fed to the washer in that tranny??

Which lubricant do you use in your machines??

mud

RE: Inner Primary bearing failure/Primary Oil Used
 

mudpuddle

All the trans components are splash lubricated, and in all honesty the washers were fairly rough ground to begin with and could have initiated the smearing process because of it. Another thing common to those trans were high shifter component wear due to rough edges from the stamping process and poor material choice for some components, both leading to very high premature wear. The cure for the Sportster trans was Kal-Gard 20-50 high moly motorcycle trans fluid.

I use 15-50 Mobil1 auto formula in my motors, Super-Tech Full Synthetic 75W-140 gear oil (API Service GL-5) in the trans and a 50/50 mix of Polaris Full Synthetic snowmobile chaincase lubricant and Super-Tech75W-140 in the chaincase. The Polaris fluid is extreme pressure even though it's as thin as water. The resulting mix is about like auto trans fluid.

RE: Inner Primary bearing failure/Primary Oil Used
 

I'm replacing the primary bearing and parts around it for 2nd time in 16k. The first time was at 10k and now I'm doin' it again at 16k. As far as I know I've been using the synthetic oil. I was told by dealership this was the best. Do I really need to be a mechanic here and request diferent oil for the diferent parts and if I don't choose correctly the part will break in 10/16k? Mother-Fritch!

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RE: Inner Primary bearing failure/Primary Oil Used
 

I have had same failures in my 06 Street Bob. Failed 1st time at 7500 and was running Syn 3, failed again at 15000, dealer claimed because snap ring on bearing not installed properly, switched to Amsoil and went again at 22500. Argued about getting complete new set up, but motor company said wouldn't do unless failed again. Still using Amsoil and went out for 4th time at 30000. After raising hell with the dealer, they finally got withthe area rep, they are replacing case and upgrading to 07 bearings, only thing going back in is my old gear set, not real happy with that, but will wait & see what happens, have the 7 yr extended warranty. Should get bike back next week sometime, as they finally got new case and all related parts in Friday. They said mine was not the usual, and I put a lot more miles on a bike than most. When I first got bike, the motor company put out letter saying the bearing would be a 15000 mile service item and they would cover it, then got another saying they had taken care of problem. Guess they forgot to tell my bike.

RE: Inner Primary bearing failure/Primary Oil Used
 

I have not hit 15K yet due to deployments......but I am worried that its not if it goes, butwhen. Hope someone told my bike...[>:]

RE: Inner Primary bearing failure/Primary Oil Used
 

Thanks for the response. I'm copying your post and takin' it in to the dealership. you stated that their response to your problem was "put a lot more miles on a bike than most." I was told the same thing by my dealer. I love my bike and I also have a 7 year warranty so not worried but It's not right and puts a bad taste in my mouth.

RE: Inner Primary bearing failure/Primary Oil Used
 

20k miles on the 06 WG no problems always used the formula+ HD oil they recomend in the tranny and chain case. Mobil 1 full syn in the engine.

RE: Inner Primary bearing failure/Primary Oil Used
 

How can you tell when this bearing fails?

RE: Inner Primary bearing failure/Primary Oil Used
 

must be hit miss thing differnt probs with the bikes.currently 27k same bearing no noise.but on 3rd front fender and headlight bucket like others also

RE: Inner Primary bearing failure/Primary Oil Used
 

Got Amsoil 20-50 in motor and primary, 75-90 in transmission on new build.
Have held it on 120+ many times and faster. Run the interstate a lot at 80-85mph
NO problems on the amsoil.

RE: Inner Primary bearing failure/Primary Oil Used
 

I'm with two into one...How do you know when bearing has failed?? Mine is making a noise now . I have 9600 on it. Dealer replaced rear wheel bearing but i still have noise! Sounds like a rubbing noise.

RE: Inner Primary bearing failure/Primary Oil Used
 

I posted this in a similar thread to this one and when I asked the local head mech. at the dealer he told me that he has only seen 2 of these bearings go bad. I didnt ask him in what time frame he was referring.. in what like 2 weeks?... He stated that when they do go out it is a 'fluke' and usually common to bikes that are over 100 HP... What??[&:] He was telling me this as we were also talking about the fact that my stator that threw craps at 6400 miles.. and that i was going to have to wait for at least a week for the part to come in. (they got it in a day or so luckily)

I hate to feel like I am continually bashing the MoCo and the local stealers.. but jeez... these aint 300.00 Monkey Ward mini-bikes here... [:@]

Anyone for an extended warranty?

RE: Inner Primary bearing failure/Primary Oil Used
 

Hadmy first inner primary bearing replaced at about 6400 miles, was running Syn3 at the time in the primary. I think it is about to go out again, starting to make that same noise when shifted into neutral and clutch released. Only took 200 miles to progress from noise to full bearing failure and race destruction last time. I recently had all fluids changed at 10,000 mile service and filled with Syn3, now have about 11,600 on the bike.

RE: Inner Primary bearing failure/Primary Oil Used
 

what about the ex-warranty? how much? what kind of noise does a failing bearing make[sm=biker2.gif]

RE: Inner Primary bearing failure/Primary Oil Used
 

The inner race and bearing went on my Street Bob (06) at about 6K. I was using Formula+. My warranty was about to run out and I was afraid it would happen again so I traded it in on a 08 Wideglide, and have 1300 miles on her now with no signs of bearing failure. I don't think the type of lubricant used is the problem.
Bearing failure...........sounds like a swirling noise coming from the primary. It will get louder as it gets worse. Comes on gradually, I didn't thinkl it was a problem till about after a month or so, then I got closer to my friends bike and didn't hear anything similar coming from his bike.

RE: Inner Primary bearing failure/Primary Oil Used
 

I had mine replaced at 18k miles and was running SYN3. Now I have about 25K on the bike with no problems, but I did purchase the extended warranty, so I should be covered.....right?:eek:

RE: Inner Primary bearing failure/Primary Oil Used
 

Around here there are a LOT of used 06 out there, could this be related? NAWWW!!
Seems to be sort of hit n miss, some are getting lotso failures, others no problem. But I would not buy an 06 either way, even w warenty I dont like to spend any preventable downtime that I can avoid, and knowing the issue exist, not buying that yr would be prev maint for me.

RE: Inner Primary bearing failure/Primary Oil Used
 

got an 07 super glide 13874 miles back to the dealer leakin like the exxon valdez got a five year warranty think im gonna need it by the looks of this forum

RE: Inner Primary bearing failure/Primary Oil Used
 

06 34 thousand miles original bearing knock on wood