Mower won t run properly

[Antonello]

Hi every one
I own a honda hrh 536
It start perfectly each time but will only run on start mode
Or choke on
I took the carb out and cleaned the main jet
Still would not run properly
Then I noticed that the spring that controls
What I would describe as automatic idle
Was stretched a non functional
So I replaced the spring
Still made no difference
As soon as I take the child off
It idles up and down but will not run
The vertical bar attached to the spring goes left to right
If I hold it with my finger it works ok

 

[pugaltitude]

Hi every one
I own a honda hrh 536
It start perfectly each time but will only run on start mode
Or choke on
I took the carb out and cleaned the main jet
Still would not run properly
Then I noticed that the spring that controls
What I would describe as automatic idle
Was stretched a non functional
So I replaced the spring
Still made no difference
As soon as I take the child off
It idles up and down but will not run
The vertical bar attached to the spring goes left to right
If I hold it with my finger it works ok

I would say you still have a fuel related problem.

The rest of the carb could do with a clean.
The air bleed and pilot jet could be partially clogged with dirt.

 

[Antonello]

I would say you still have a fuel related problem.

The rest of the carb could do with a clean.
The air bleed and pilot jet could be partially clogged with dirt.

Forgive my ignorance
The carb has only one jet
Where is the air bleed and pilot jet ??
I will try and give it one more clean

 

[pugaltitude]

On top of carb is the idle screw and idle mixture screw (which probably has a limit cap fitted).
Remove the idle screw and under that is either a philips screw or a black plastic part.
That is the air bleed and pilot jet area.

You also need to remove the idle mixture screw.
To remove the cap (as if you pull at it, it will snap) you have to heat cap to soften glue and then pull cap off being careful not to break screw.
Remove these and clean with carb cleaner.
Now fit the mixture screw until finger tight.
Spray carb cleaner down small orifice that lines up with the mixture screw that are at choke plate end of carb.
Thats the idle circuit cleaned as spray should appear out idle transtion ports.
Turn mix screw out 1 1/2 turn. Fit cap.
Now clean down air bleed area.
Have the carb bowl off and main jet/emulsion tube out.
Clean and rebuild.
Good luck :thumbsup:

 

[Antonello]

On top of carb is the idle screw and idle mixture screw (which probably has a limit cap fitted).
Remove the idle screw and under that is either a philips screw or a black plastic part.
That is the air bleed and pilot jet area.

You also need to remove the idle mixture screw.
To remove the cap (as if you pull at it, it will snap) you have to heat cap to soften glue and then pull cap off being careful not to break screw.
Remove these and clean with carb cleaner.
Now fit the mixture screw until finger tight.
Spray carb cleaner down small orifice that lines up with the mixture screw that are at choke plate end of carb.
Thats the idle circuit cleaned as spray should appear out idle transtion ports.
Turn mix screw out 1 1/2 turn. Fit cap.
Now clean down air bleed area.
Have the carb bowl off and main jet/emulsion tube out.
Clean and rebuild.
Good luck :thumbsup:

Hi
Thank you for your reply
Today I have done just that , unfortunately is still the same
It stares immediately , however it keeps going up and down
That little vertical bar keeps moving to adjust the throttle
What operates that vertical bar ??? Could it be anything but the carb ????