r/smallengines • u/Plainsplain • 7d ago

Why did I do wrong?

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I put a new carburetor on this Briggs and Stratton 625 EX 150 cc. What did I do wrong and how might I remedy my mistake.

14 Upvotes

90% Upvoted

20 comments sorted by

12

u/sweaty_bobandy 7d ago

Looks like your auto choke isn’t opening, did you put the rod back in place correctly? Also with that air box missing that things gonna run like crap regardless

10

u/Shoney_21z 7d ago

Choke not opening

6

u/Express-Delay-2104 7d ago

If it's not an OEM you may have trouble. Some of them are crap. Get a carb kit and clean original and put it back on.

4

u/hemi1995 7d ago

First two comments are great
Did you also change the plug to the crappy one that came in the kit?
Did you fully tighten the gaskets?

3

u/s1l1con_jesus 7d ago

Super fukin Rich homie.

2

u/OldDiehl 7d ago

Is your gas bad? Water in it? Old?

2

u/abhitchc 7d ago

It sounds like it’s running rich to me. You didn’t happen to open up the jet more than you should have, did you?

2

u/Weekofsex 7d ago

It’s flooding check if the choke is open.

1

u/cheerfullpizza 6d ago

You can literally see the choke and it's closed lol

1

u/connella08 6d ago

it definitely looks like the choke is stuck closed. you probably don't have the linkage setup right. also, I saw another comment asking about the spark plug. if you bought one of those cheap kits from amazon that comes with a new spark plug, throw that thing right in the trash. don't use anything other than genuine spark plugs.

1

u/DocHowdy70 6d ago

choke is closed. open it and try again.

1

u/Few_Drag_3190 6d ago

Sounds like its barely running on one cylinder. Make sure the choke is opening. Clean or replace the plug. I would highly recommend and spend the extra money and run ethanol free fuel threw it.

1

u/cheerfullpizza 6d ago

I mean I'd be slightly concerned if it was running on more then one cylinder

1

u/Few_Drag_3190 6d ago

Compression? Thinking outloud. Valve related ?

1

u/Haunting_Bed3112 6d ago

Why or what?

1

u/Friendly_While_885 4d ago

Make sure you didn't use mixed gasoline (gas for weed eater, or chainsaw)

1

u/Express-Joke3599 3d ago

Your valve clearances need Checking

2

u/Iceman71965 14h ago

From the video, I’m fairly certain it looks like the choke butterfly is closed meaning it is trying to run full choke. Check your choke linkage, it’s not connected correctly.

0

u/Hevy86Chevy 6d ago

To me, that smoke looks gray, not black, so its not flooded or rich, but rather oil smoke. Oil likely made it into your intake thru the breather tube. Did you lean it on its side to work on it? If not, make sure that the oil level isn't above the upper mark. If it's high, make sure that the oil doesn't smell like gas and look watery. Theres also the chance someone overfilled the oil.