[ironhead adam]

i have an early 84 ironhead and im having a pinging/knock coming from what sounds like the tranny. it does it whether idiling, with the clutch pulled in, and when in gear. its not constant, maybe every 5 seconds or so and it will last maybe 2 seconds. i took the primary cover off thinking it might be the chain and its nothing in there, i was just wondering if anybody else has experienced this to help narrow down what im looking for.

 

[Guest]

Be kinda hard to point a finger at the cause....
If your sure that is where the offending sound is coming from....Might as well pull the tranny for a look-see ....

Could get alot worst than what it is now if you keep on riding it....
Old Saying is: An oz of prevention is worth a pound of cure...

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[ironhead adam]

yeah im not riding it its just sitting in the garage. as far as i can tell, that sounds where it is coming from. the only other option of where it could possibly be doing it is the crank, and i really hope its not that. if i get time ill pull the tranny out tonight and have a look. if not sometime this weekend. ill keep this updated, and if anybody else has any input id love to hear it!

 

[flatman]

While making the noise put a screwdriver with a rag wrapped around it (with your ear on it)and poke around differrent areas to determine where the knocking is coming from. ust my 2 cents

 

[allcoamex]

Flatman has the right idea, sometimes you have to use a stethoscope to make sure the noise is coming from where you think it is. A screwdriver is a poor man's stethoscope. Noises can be deceiving. FGH

 

[CB550 Matt]

Does it increase in frequency when the rpms are increased?

Use the screwdriver trick to see of it is coming off of the cam side or generator area.

No telling until you start digging.

 

[ironhead adam]

thanks guys ill try it tomorrow when i tear into more. ill try the screwdriver trick as it is hard to determine where it is coming from. it doesnt seem to increase with rpm...thanks again.

 

[ironhead adam]

well i found it. one of my lifter bearings almost completely gone! i found another one about to go as well.

with any luck i should have it going by this weekend. hopefully...

 

[Guest]

......How's the Cams ??......

It would be a good idea to flush your oil system out .....All...Even the crank-case...

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['59]

wouldn't of thought the cam follower rollers could have been that knocked to sh*t and the motor still run, says a lot about HD's but it must of sounded like hell.

yep, I'd look at the cam and bushings an in future not adjust the push rods so tight.

 

[ironhead adam]

the cam looks fine surprisingly! it really didnt sound that bad. im glad i caught it when i did though, if that bearing race would have broke off id be in a lot worse trouble...

 

[Lloyd T. 96 pan]

WOW ! I'll bet it did make a little racket, better be looking for the rest of the bearning's that was in the roller. Can't belive that it didn't get the cam, Flush everything out and hope that a peace of that roller dose'nt end up in another bearning somewhere. Good Luck !

 

[Larry T]

............yep, I'd look at the cam and bushings an in future not adjust the push rods so tight.

Pushrod adjustment really didn't have anything to do with it. After all, they're fully loaded anytime the valve is open.

Glad the cam is ok. I don't see how the roller can be that flat and not have hurt it.
Larry T

 

[Guest]

I don't see how the roller can be that flat and not have hurt it.
Larry T

If the cam does have damage done to the face of the lobes and has gone under the surface hardness....Going to be fast ware going on and will be dumping more cuttings into the motor....???

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[kickstarts]

How'd the lifter get in the trans?

 

[Guest]

.
.
.
??.....................Migration.................. ??

............Yeah I know....Ain't Funny............

Never is when you find that there is a need for parts replacement and labor to do....

Being a 84 year model, the camchest oil drains into the flywheel case and is returned to the oil pump to be pumped back to the oil bag.....
May be a good idea to pull the pump (Geo-Roto design) for clean up and inspection....??
On that year motor the pump is easy to get off...

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[ironhead adam]

im gonna look through everything, thanks. i cant find an oil filter anywhere for this bike either, my friend has a 68 and had the same problem so he just bypassed it but, knowing that there is going to be some shavings in there im not gonna do that!

 

['59]

mmm, don't get how that damage could hve happened.

what else, seized roller, valve?

 

[Guest]

Had to be the needle bearings locked up in the tappet roller....It's a wonder that they didn't fall out....

As long as your tappet body is still in good shape as also the bore in the blocks....Could renew the rollers on them....

This tool makes it easy but can do it with out it...

If you do go this route .....If you can find them, use Torington Replacement rollers ?

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[dead pirate]

i got a remote oil filter kit you can have buddy this way you can put a filter on it. it even comes with one. also pull your motor apart clean the whole thing and make sure everything else is nice and buttoned up for the riding season this year.