Squeaky Engine Noise?

Just started the bike today, runs, making a terrible squeaky noise (Yes there is lots of oil in the Engine)
could this be Rings that need to seat in, or should I plan on undoing all my work?

 

Video. Unavailable

 

Works for me.

 

That sound has nothing to do with the rings.

Start looking for an intake or exhaust leak. It could also be a leak at one of the engine gaskets. There's other things it could be, but those are the most likely.
Take a length of garden hose and use it like a stethoscope as you go around the engine.

 

Exhaust is leaking, visible smoke from the Exhaust manifold, I will have to adjust the pipes, and try again. Thanks K-moe!

fyi. video was 1st posted as private, i since changed it to public.

 

Take a length of garden hose and use it like a stethoscope as you go around the engine
Good advice, simple to do. My own opinion is that its an intake leak - exhausts tend to pulse, or bang. About a yard of half inch plastic hose should help you find it.

 

You may have just not tightened the exhaust nuts enough. The gaskets have to crush, and you get very close to the required torque spec before they crush enough to seal.

I agree that you should also take a close listen to the intake side.

 

Exhaust is not leaking anymore, and when the engine gets to 3000 rpm, the squeak goes away..

Q. Is there a method for testing the oil pressure?

I found a screw near the top end right side, looks like an oil gauge could be temporarily attached to test the pressure...

 

I removed a spark plug to test as k-moe suggested in another post, the squeak I hear must be from rings.. not going to worry about that now that it is together, will replace the rings on another time.

Anyone know if the oil pressure can be tested?

Thanks

 

I can guarantee you the rings on a running engine don't squeek. Famous last words I know....

 

The only thing that I can think of that would cause rings to squeak would be if the ring gaps weren't set before installing them.
I've never heard any squeak, but then I've always set the ring gaps.


You can test the oil pressure at the main gallery plug (just below the ignition rotor cover. be very careful when removing it and have a spare seal on hand), but there is no spec given.

 

Can you explain kmoe? - never heard this or of it?

 

It's purely speculation on my part.
If the piston ring end gaps are too tight that could cause the rings to press on the cylinder walls with more force than is called for, and that might cause the rings to chatter. I do know that rings will break if the end gap is too tight (btdt), and suppose that there could be a sweet spot where they chatter but don't break right away.
Another thought is that the rings could chatter if they were installed upside-down, though I've never had that happen either.

If this were my engine I would be inclined to find the cause sooner rather than later, and correct it.

 

i did not remove the rings, budget problems, only replaced the starter clutch, and gaskets.

Honed the Cylinders, aligned the rings as per manual, squeezed the rings together as with my fingers as i lowers the cylinders, and tapped the top with a rubber mallet. this guided the rings through the taper.

of coarse i had to keep rotating the rings as they had a mind of their own. maybe they are whistling. combustion seems ok, but my shade tree don't come with a compression tester..

i also noticed, the whistle maybe something with intakes, i will make some adjustments on air box and re-seat the carbs, then report ...

The rest of the bike sounds good... (wish my dang bleeder valve on front caliper didn't snap off)

Maybe i will steal my wife's stethoscope. hehehe

 

I'd like to emphasize that the rings would be the absolutely last thing that I'd suspect. They're so far down the list that I'd think one would meet Jesus in person before you'd get a set of rings to make that sound.

 

I agree with @k-moe that much noise from rings would be followed by engine failure.

 

I don't think you'd be able to hear them anyway......

 

could it be the alternator?

 

noise is related to exhaust and or intake on 2nd cylinder, I will be looking at it on the weekend. I am fiddling with getting the brakes working, wishing there was a motorcycle grave yard near me to find cheep parts. LOL

 

We're right here.

 

THAT'S it - cheep parts...

 

I wonder.....

Could hardened (aged) valve stem seals squeak like that?

 

No

 

Thought so.

 

It's an intake leak, pretty sure.

 

I agree.
Sometimes the intake boot gaskets don't seal well, and sometimes people don't even know that there are supposed to be gaskets in that position.

 

The noise is gone... was the Intake.. the boots needed some cleaning that I missed... my eyes are not so good anymore.. used a little smear sealant on the boots to make sure they don't leak.

Now I need a carb clinic... was much harder to start this time, could be gas, could be carbs... Oh Boy... summer will be gone before I get it on the road.

On a positive note, I found a great front tire for $15 at a swap meet. ($70 if you count gas and admission)

Thanks all for your input and assistance!

 

I hope it is---- you get a brand new one for not much more than that

 

I was wondering about this.... The boots I purchased came only with the o-ring, no additional gasket. Based on the discussion here, I should go ahead and put a little high-temp gasket sealer on the intake boots?

 

Did you check the carb boots? Spray some brake clean around the boot on each carb and see if it revs.

 

Too late.