Can someone tune my carb for me?

[seawood]

You have replaced ingition parts rebuilt carb and the miss is still there. So I would check the valves next. Years a go when gas was cheep and hp was king. Had an engine that could not find the miss in untill l hit the pistion with the intake valve. Releasing all the important fluids. Follow by the $$$. So now its check compression after other have been checked

[rbarri2]

The light was steady when I timed the engine.
The condenser is new.
I will get a new plug and wire.
I tried another coil with no change.

I'm only leaning towards carb because it's the one part of the system that I don't fully understand how to conquer just yet. I know it's a simple device, but I feel like I'm going in circles with it.

thanks, I'll get the video asap

[olds45512]

Originally Posted by seawood

You have replaced ingition parts rebuilt carb and the miss is still there. So I would check the valves next. Years a go when gas was cheep and hp was king. Had an engine that could not find the miss in untill l hit the pistion with the intake valve. Releasing all the important fluids. Follow by the $$$. So now its check compression after other have been checked

These engines have a compression release so you can't do a compression test.

[rbarri2]

The second video demonstrates the issue better.
The engine was cold in the video.

vid 1 https://www.youtube.com/watch?v=SG09...ature=youtu.be

vid 2- this is with the throttle just off idle
https://www.youtube.com/watch?v=X6DU...ature=youtu.be

thanks

[64fleetside]

Is your throttle shaft tight? Mine blubbered off idle when the throttle needed new bushings.

[ol'George]

Originally Posted by rbarri2

The second video demonstrates the issue better.
The engine was cold in the video.

vid 1 https://www.youtube.com/watch?v=SG09...ature=youtu.be

vid 2- this is with the throttle just off idle
https://www.youtube.com/watch?v=X6DU...ature=youtu.be

thanks

Is it just me or is there a lower end rattle? sounds like a loose rod or crank bearings, Flywheel? but the little miss???? is not that bad to my thinking.

[rbarri2]

Originally Posted by ol'George

Is it just me or is there a lower end rattle? sounds like a loose rod or crank bearings, Flywheel? but the little miss???? in not that bad to my thinking.

It's a new carb and the throttle shaft is tight.

Loose rod? Crank bearings? I hope not.

[seawood]

Put piston at TDC on power stroke remove plug add air check for air leak out intake or exhaust leak poor compression out engine breather rings not sealed compression test

[rbarri2]

Originally Posted by seawood

Put piston at TDC on power stroke remove plug add air check for air leak out intake or exhaust leak poor compression out engine breather rings not sealed compression test

if it had bad compression, wouldn't it be a smoker? It runs clean.

I'm about to be out of pocket and don't have a smartphone, but I look forward to all of the feedback.
Thanks again.

[Cub Cadet 123]

My 149 had something similar happen to it after I rebuilt and re-adjusted the carb settings.....and after new piston, rings and removal of the balance gear. Drove me bananas, too. Come to find out it was a little arc between the condenser and engine tin. As soon as you heard the "miss", you could see the arc. I haven't read where anyone stated this yet and hope that is all it is for you, too---simple fix.

Cub Cadet 123