oil pump and pinion shaft wear marks?

[Adam76]

Hey, just pulled the cam support plate and oil pump out of the '02 Fatboy and I'm wondering if there are any tell tale wear marks that you can see that would indicate or suggest anything like the need to replace the oil pump etc.

When I took the lifters out, they looked very good for what I assume are oem original lifters with 30K miles on them. Then after removing the cam plate the scoring on the end of the pinion shaft had me a little concerned.

I am yet to measure the actual run out on the pinion shaft, that will happen tomorrow.

Anything look odd to you guys?

Cheers.

[Adam76]

pinion shaft

[Scotty]

End of pinion shaft runs in the cam plate I would look carefully at the bushing in the cam plate as that looks like a bit of unusual wear from the photos and would be the biggest issue that shows up in the photos.
Oil pump pull the gears out and check for chips or cracks and run you fingernail in the pump and see if anything catches and if not should be good to go.


Also it could just be the lighting and the photo as shown in these 2 photos taken under different light of the same pinion shaft
[attach=0,msg1387095]
[attach=1,msg1387095]

[Adam76]

Thanks Scotty,  yes it's hard to capture exactly what I can see in a photo.  I will check the cam plate bushing like you said.

[kd]

Your 02 will be a timkin bottom end.  Check the pinion and drive side runout to see what it is and then check the timkin bearing play.  It may need an adjustment with shims to bring it into spec.  If so remeasure the pinion and drive side runout after adjustment to see if it improved or any of the pinion runout is drive bearing play related.  You will get a more true idea of the condition of the flywheels and runout.

[Rodman]

you didn't show a pic of the camplate where the pump rides.....with the kidney slots.

[Adam76]

Your 02 will be a timkin bottom end.  Check the pinion and drive side runout to see what it is and then check the timkin bearing play.  It may need an adjustment with shims to bring it into spec.  If so remeasure the pinion and drive side runout after adjustment to see if it improved or any of the pinion runout is drive bearing play related.  You will get a more true idea of the condition of the flywheels and runout.

Thanks kd, how do I measure the timkin bearing play? Is the method outlined in the FSM?

Thanks

[kd]

I believe so.  It's also been discussed on here several times and a search for timkin adjustment, measurement or end play will probably find it.

[Adam76]

you didn't show a pic of the camplate where the pump rides.....with the kidney slots.

Thanks, I will look at that as well.
Cheers

[kd]

Wear to one side will indicate runout on the pinion shaft.  It won't necessarily mean bad runout but usually means some. It will go hand in hand with the marks you have on the shaft.  They are usually not all the way around also.

[Adam76]

Wear to one side will indicate runout on the pinion shaft.  It won't necessarily mean bad runout but usually means some. It will go hand in hand with the marks you have on the shaft.  They are usually not all the way around also.

Thank you 👍

[Adam76]

Wear to one side will indicate runout on the pinion shaft.  It won't necessarily mean bad runout but usually means some. It will go hand in hand with the marks you have on the shaft.  They are usually not all the way around also.

Cam plate bushing looks like it has a fair bit of wear?

[FXDBI]

Wear to one side will indicate runout on the pinion shaft.  It won't necessarily mean bad runout but usually means some. It will go hand in hand with the marks you have on the shaft.  They are usually not all the way around also.

Cam plate bushing looks like it has a fair bit of wear?

Only way to know is measure it and the pinion.   Bob

[Scotty]

Will be interesting to see what the run out on the pinion shaft is 

[kd]

   it's the only way to tell what is going on (if anything).  Is there any way to know the the cam plate is the original?  If the pinion shows runout, then the sprocket side timkin set runout and tolerances are the next check.  It will paint a picture of what the next step will be.  As said, the runout (if any) can be a product of timkin bearing set adjustment or more.

[Adam76]

Thanks, the cylinders and heads are off and ready for the machine shop, but I still have to get the pistons off the rods before I can check the pinion shaft runout.... hopefully will get to that tomorrow. 

I guess I need to order a new crankshaft bushing for the cam plate?

[Don D]

Measure and decide. If the bushing is worn that bad the crank is likely slipped. I would just toss the plate and get a new one, OEM part.

[Adam76]

Measure and decide. If the bushing is worn that bad the crank is likely slipped. I would just toss the plate and get a new one, OEM part.

Thanks, I hope that's not the case.

[Adam76]

Runout around .0018.... happy with that, but I'm not sure that's the whole story.

Anything else I need to check?

Thanks

[FSG]

I'd be putting studs in those 2 cam-plate mounting holes that have the dowel locators 

[kd]

 

[Adam76]

I'd be putting studs in those 2 cam-plate mounting holes that have the dowel locators 

Sorry,  you've lost me. 

[Ohio HD]

Here is what FSG is speaking of.


https://harleytechtalk.com/htt/index.php/topic,91840.msg1059059.html#msg1059059

[Adam76]

Here is what FSG is speaking of.


https://harleytechtalk.com/htt/index.php/topic,91840.msg1059059.html#msg1059059

Thanks for the link Ohio, got it now 👍

[Scotty]

Runout around .0018.... happy with that, but I'm not sure that's the whole story.

Anything else I need to check?

Thanks

I would clean up the pinion shaft and probably use a new cam plate and be done with it as the run out is good.