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-   -   1864 Loss of power (https://www.onlycubcadets.net/forum/showthread.php?t=57697)

Sam Mac 09-29-2020 02:53 PM

Quote:

Originally Posted by amanfrromthere (Post 501240)
I don't have a compression tester

Quote:

Originally Posted by Mike McKown (Post 501243)
Since you don't have a compression tester gauge, if you have a finger handy.................

Pull both plugs. Stick your finger in each hole and crank the engine. You know one cylinder has enough compression to run. How does the other one compare.

Move your spark plug wires away from your hand so you don't get a false reading.:biggrin2:

If the problem was lack of fuel, pulling the choke out a little while it's running should smooth it out.

Some auto parts stores will let you borrow a compression tester.

Hairtrigger 09-29-2020 03:29 PM

Quote:

Originally Posted by dbuck (Post 501247)
Not trying to be a smart ass. But what does a fuel delivery issue have to do with not firing on one cyl? :American Flag 1:

If he is low on fuel no one says that it is actually firing on that cylinder
The original post said he had spark at both plugs but one appeared to be stronger spark

Sam Mac 09-29-2020 04:11 PM

Read post #1. He said it will run on one cylinder but not the other. Classic loss of compression in one hole.:beatdeadhorse:

rwairforce 09-30-2020 09:36 AM

I suggest you pull the valve cover and check for a push rod that got out from under the rocker arm.

amanfrromthere 10-01-2020 06:33 PM

Quote:

Originally Posted by Mike McKown (Post 501243)
Since you don't have a compression tester gauge, if you have a finger handy.................

Pull both plugs. Stick your finger in each hole and crank the engine. You know one cylinder has enough compression to run. How does the other one compare.

Move your spark plug wires away from your hand so you don't get a false reading.:biggrin2:

If the problem was lack of fuel, pulling the choke out a little while it's running should smooth it out.

The good side blew my finger out right away, other side did basically nothing.

Mike McKown 10-01-2020 06:46 PM

Quote:

Originally Posted by amanfrromthere (Post 501291)
The good side blew my finger out right away, other side did basically nothing.

See post #14.

https://www.onlycubcadets.net/forum/...ad.php?t=57354

amanfrromthere 10-01-2020 07:13 PM

Quote:

Originally Posted by Mike McKown (Post 501296)

Yup, that'll do it. I'll check on the things you mention in that thread.

https://lh3.googleusercontent.com/59...-no?authuser=0

amanfrromthere 10-01-2020 07:31 PM

Welp, guess that's why it came off. Barely any force on it and it just failed.

https://lh3.googleusercontent.com/V-...-no?authuser=0

amanfrromthere 10-02-2020 08:55 AM

Looks like you can't just buy the rocker arm, gotta buy this the whole valvetrain replacement set: includes (4) push rods; (4) rocker arm pivot; (4) stamped rocker-cyl saddle arm; (4) hex flange screw
https://www.partstree.com/parts/cub-cadet-kh-24-755-66/

Knowing the rocker arm broke, is there anything else I should look for or replace?

Sam Mac 10-02-2020 10:05 AM

I would check for a stuck valve.


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