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I had to clean the float needle of the engine, but have some problems putting it back together.
The gaskets are different than in most pictures I've seen around. Rather like in the clip (3 min on).
How to Replace the Carburetor on a Honda HRX217 Lawn Mower - YouTube
You can see that from the places of the passages (holes) in the gaskets.

Also I haven't seen any pictures about how the choke lever is connected to the carburettor.
The choke lever assembly is like this:
Part Selection

Here's the picture of the carburetor from the same place:
Part Selection
The gaskets #13 doesn't exist in my carb.

The S3H2 doesn't seem to be very common. Any reason why?

turboscrew said:

I had to clean the float needle of the engine, but have some problems putting it back together.

Click to expand...

Is the engine installed on a Honda mower, or some other brand?

Many different versions of the GCV engine are made; some with automatic/manual chokes, some with fixed/adjustable throttles.

On the side of your engine is a serial number, "GXXXX-1234567" if you can share that, I can see what I can find for this exact engine...

robert@honda said:

Is the engine installed on a Honda mower, or some other brand?

Many different versions of the GCV engine are made; some with automatic/manual chokes, some with fixed/adjustable throttles.

On the side of your engine is a serial number, "GXXXX-1234567" if you can share that, I can see what I can find for this exact engine...

Click to expand...

The mower is McCulloch Edition 1 XXL and rhe number is GJAAA 2347592.

The engine model is GCV190A S3H2 NH1.

I found out that the choke is called "Auto Return Choke System" (ARCS).

turboscrew said:

The mower is McCulloch Edition 1 XXL and rhe number is GJAAA 2347592.

The engine model is GCV190A S3H2 NH1.

I found out that the choke is called "Auto Return Choke System" (ARCS).

Click to expand...

Here's a parts list/drawing for a USA model, which should match or be very close to your engine:

robert@honda said:

Here's a parts list/drawing for a USA model, which should match or be very close to your engine:

Click to expand...

That's the drawing I've been seeing. Unfortunately, that doesn't match.
In my carb there are no gaskets #13, but instead of #14 there are two gaskets and a similarly shaped metal spacer
between the carb and air filter.
I figured them out (by the passage holes) and I guess the spacer is between the gaskets.

Thanks anyway.

I also finally figured out the choke, but still haven't seen a single picture or explanation how the choke and carburetor
are connected.

The engine is again a "single-pull" and at least seems to run fine.

turboscrew said:

That's the drawing I've been seeing. Unfortunately, that doesn't match.
In my carb there are no gaskets #13, but instead of #14 there are two gaskets and a similarly shaped metal spacer
between the carb and air filter.
I figured them out (by the passage holes) and I guess the spacer is between the gaskets.

Thanks anyway.

I also finally figured out the choke, but still haven't seen a single picture or explanation how the choke and carburetor
are connected.

The engine is again a "single-pull" and at least seems to run fine.

Click to expand...

This picture shows the linkage between carburetor and choke in case someone else has similar problems.
http://i945.photobucket.com/albums/ad29 ... G_0460.jpg

Notice the sheet metal stripe from the choke to the outer flap on the carb.
That was turned fully forward, so I didn't even notice it's existence at first.

The gaskets are shown here:
http://i945.photobucket.com/albums/ad292/turboscrew/IMG_0454.jpg
All the three leftmost go between the carburetor and air filter. The Last gasket (against the cylinder, #12 in the robert's picture) is not shown, but it's there. You can see that the passage holes are almost aligned with the bolt holes in the cylinder side of the carb, but not in the air filter side.