[Sunset]

On my 2009 OEM Honda Recon 250 carburetor, I'd like to adjust the air/fuel screw but it appears to be covered by an inset piece of concaved brass that I believe is called a Welch plug. How to I remove that?

 

[wheelsquad]

On my 2009 OEM Honda Recon 250 carburetor, I'd like to adjust the air/fuel screw but it appears to be covered by an inset piece of concaved brass that I believe is called a Welch plug. How to I remove that?

If that brass plug you're seeing is on the side, the pilot screw is not under it. The pilot screw is on the bottom of the carburetor. From the service manual:

 

[Goober]

Yeah that’s not a welsh plug freeze plug I think that’s for removing the butterfly shaft.

Download the service manual by clicking link in my sig block

 

[Sunset]

Here is a picture of the bottom of this Keihin carburetor. At least I hope it posted. See, no air/fuel screw. Is it under the brass plug? Or does it just not have an a/f screw?

 

[Goober]

It’s missing
If there’s a piece of brass in that hole then the needle has been broken off super bummer.

If you can’t remove with a tap you will need another carb

 

[Sunset]

Not broken. Came new that way. I have two carbs like this.

 

[Trailfreak]

I also wanted to adjust my Recon’s carburetor and I had the same brass plug not letting me. I think it’s for emissions, they don’t want you to adjust it. I ended up taking my Dremel and cutting off some of the steel round piece that hangs down and covers the plug. Then I cut a slot on the plug put my screwdriver in there and unscrew it. It worked great. Just be careful when cutting.

 

[Sunset]

Thanks. So was the plug removed using the screwdriver slot you made or you used the slot to adjust the carb?

 

[Trailfreak]

I did this a couple years ago, I forget if I had to slot the screw or not. Looks like it from the photo.

 

[wheelsquad]

Thanks, EPA

Learned something new. Thanks for sharing, @Trailfreak

 

[Sunset]

OK, mystery solved.
Yes, it is a plug.
Can be removed with some effort.
Underneath the plug is the air/fuel screw.
Can be turned with a "single D tool".
One turn out to enrich.
It's there to hinder you gas guzzling EPA abusers.
Dang. Like atv's are the problem?!!

 

[Trailfreak]

I’m glad we all resolved this issue. Did you have to cut the round piece to get the plug out or did you do something else?

I’ve learned lot on this forum, just glad I’m working on my and friends machines and trying things out that now I’m able to help others once in a while.

 

[wheelsquad]

@Sunset thanks for circling back and closing the loop on this.

 

[HondaHonda]

Another Thank You!

I just pulled the carb off my 2017 Honda Recon and found the same thing. Thanks @Sunset for sharing your experience. I'll get that plug off.

 

[LedFTed]

I just pulled the carb off my 2017 Honda Recon and found the same thing. Thanks @Sunset for sharing your experience. I'll get that plug off.

picture didnt make it. try again.

 

[LedFTed]

I also wanted to adjust my Recon’s carburetor and I had the same brass plug not letting me. I think it’s for emissions, they don’t want you to adjust it. I ended up taking my Dremel and cutting off some of the steel round piece that hangs down and covers the plug. Then I cut a slot on the plug put my screwdriver in there and unscrew it. It worked great. Just be careful when cutting.

Sorry,, i aint seeing right. nothing new.. the pictures to me dont look like a screwdriver slot. more like a water shut off valve. from the main.. special tool thing..

 

[HondaHonda]

Brass Welch Plug Removed

2017 Honda Recon with Keihin Carb

There is a brass welch plug that covers the pilot screw. I just got mine off today. I found a small screw to fit the hole, screwed it in a turn or two, then used pliers to pull it out with the brass welch plug attached. It was easier than expected. Hope this helps someone.

Picture #1: Plug blocking pilot screw
Pictures #2 & 3: Plug removed
Picture #4: Plug removed; pilot screw exposed (single d)

Happy 4th!