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Snow Blower

How To Fix A Surging Engine On A Snow Blower, Lawn Mower, Pressure Washer, etc.

by HIPA Jeremy 10 Oct 2022 0 Comments

If your engine surges or the RPMs(Rotate Per Minute) fluctuates up and down, you are definitely reading the right blog. One of my old friends told me this little trick years ago, I’ve never forgotten it and now I’m going to pass this little tip on to you. Today we are talking about the ones that have a removable pilot jet on the top of Honda carbs.

If you are just dealing with the surging issue, in most cases, you do not need to clean the carb. All you need to do is to worry about the pilot jet.

How To

Now there are two different styles of pilot jets. One is the external or removable pilot jet, which looks like a black plastic thing; another one is not removable but the pilot jet is on the inside.

The carb with removable pilot jet

Here we are going to start with the removable one because there is a lot of cases you do not need to take your carburetor off to do this. You can actually access the pilot jet with a Phillips screwdriver without even taking it off.
You need to take the idle screw out and use a little pair of needle nose pliers to take that jet out. It will pop out the top and now you have that pilot jet in your hand. The problem with this is that the pilot jet is either plugged solid or it is closed off too tight where there is not enough fuel getting through it.
You can use a little wire drill to fix it, simply take it and work it through and drill that hole out in the end until you can get the drill through it. Now you know that hole in the end is clear then you need to put that all back together.
Pop that back in and put your idle screw back in and 99% of the time you try it again and you fire it up, and the surging problem is going to be gone now. You need to move onto the internal one is a little bit trickier because in most cases, you actually have to take your carburetor off to get this.

The carb with the fixed pilot jet

If you have one that looks like the pilot jet that is not the removable one, it has a screw down in the top hiding the internal pilot jet, you need to turn the idle screw out first. So you can get access down to the screw and use Phillips screwdriver to take it out. Now if you look down with a flashlight, you will see the same thing there is a tiny little hole in there and it is also probably plugged. Then you can take the same method as that on the removable pilot jet.


Click here and BUY IT NOW: Hipa Carburetor Repair Kit

Please let us know if this works and if you have any suggestions or comments. Or you can join HIPA DIY COMMUNITY to feature your passion for repair projects, share your stories with the Hipa family and get help from Hipa.

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