No BS! Simple NIKKI Carburetor Rebuild

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Published 2022-01-08
Simple how to fix common flooding and surging problems with the Nikki carburetor. These carbs can be challenging to troubleshoot and fix, but they will perform well once you understand them better. This carburetor is from the Craftsman YTS3000, on which I made the video with the hydro-locked engine this carb came from. In the end, it was returned to where it started.
#Surging #hydrolock #leaking #Stratton #baldeagle242
   • No BS! Simple NIKKI Carburetor Rebuild  

See the full story on this mower here. (What happens when these carbs fail? Click here to find out!)
   • Simple Fix on a Seized Hydrolocked Mo...  

When removing the plastic cap from the mixture screw, exercise caution and care. Be mindful not to bend or twist the mixture screw, as excessive pressure can cause it to break in half. To ensure a smooth and safe removal process, gently pull on the cap without applying undue force. Your attention to this precautionary measure will help prevent any unwanted damage and ensure a successful maintenance experience. Happy repairing!

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Links to parts used in this video:

Aftermarket (Chinese) Carburetor Repair Kit for Briggs & Stratton Nikki Carbs
amzn.to/3q7uTWv

Briggs and Stratton brand Nikki Float bowl gasket (O-Ring style)
amzn.to/31HwQjc

Briggs and Stratton brand Nikki Float bowl gasket (NON-Ring style)
amzn.to/3f6F3AC

Briggs and Stratton brand Nikki needle
amzn.to/33fxzZ6

Inline fuel shut-off valve
amzn.to/3tacn1C

Inline fuel filters
amzn.to/3r0Cs0v

Below are tools and parts I use in my shop and daily adventures.

Mini Tire Changer for the mower, go-kart, and most small tires.
amzn.to/31eHgGp

The drill bits I use are lifetime-warranted Molybdenum from Drill Hog. If you break one or wear it to nothing, you send it back, and they send a new one!
www.amazon.com/dp/B010US18BG/?tag=eagle0f1-20

Hand crank trailer winch with strap with safety hook
amzn.to/3jTBzEL

Titanium MIG 140 Welder Works with Flux Core (No Gas needed - 110 volts)
amzn.to/3mqj3oP
Titanium MIG 170 Welder Works with Flux Core or Gas (110 or 220 volts)
bit.ly/3k8GUrD

Amazon Wish List
a.co/cWseC8V

As an Amazon Affiliate, I earn from qualifying purchases. These links are provided to help you find the products I've used in this video. Clicking these links will take you straight to the products on Amazon and help support this channel without costing you anything extra.


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00:00 Welcome to the Baldeagle242 YouTube channel
00:04 Today I have the Nikki Carb off of the Craftsman YTS3000 Hydrolock Mower
00:21 Let's get started!
01:00 Carbs off. Let's review the parts and tear them apart!
02:30 The first thing you need to do when tearing the carbs down!
03:47 The First reason these carbs will leak and hydro lock your engine!
04:20 The Second reason these carbs will leak and hydro lock your engine! This one is not very common!
04:28 One reason your engine may surge while running.

All Comments (21)
  • @IndianHemlock
    Enjoyed the video, very well done, well edited !! Very knowledgeable !
  • @stefkraaijeveld
    Thank you for the clear instructional video. After cleaning my carburetor, the lawnmower was running very poorly until I realized I had put the jet in the carburetor the wrong way around. This video saved me.
  • @urnchy
    The detail is greatly appreciated. One of the best repair videos I haver ever seen!
  • Had taken my carb apart and cleaned. Mower had problems. Watching your video showed me what I did wrong. Thanks for your video and explainations.
  • @mrbrock72
    I have the exact same Craftsman YTS3000 that I bought new from Sears in 2010. Mine got hydrolocked too and I ended up replacing the carb about 5 years ago. We'll now it's surging so not sure if I'll just get another new carb or rebuild kit. Amazon Carbs are just a little more $$ vs a rebuild kit. Thanks to videos like this I have kept that mower mowing my 2 acre lot for 14 years! I have also had to replace the spindles. Drain/replace the transmission fluid. Repair the deck with welding and repaint to protect from further rusting. New tires. New high back seat. Replace the blade cable. Repair wiring harness from rats eating it up!
  • The close ups are extremely good and I think you did a great job of teaching and showing how to put it together the right way 😊😊😊 Thank you
  • @Talltrees1235
    I worked on a John Deere, with the Briggs engine today. And your video just confirmed what I thought was wrong. I have ordered a repair kit for the carby now. Thanks
  • @jackhager3099
    I rebuilt one of these watching other videos, but couldn't get it to work. Your clear and detailed presentation showed me what I did wrong and I'm running again 😁
  • @timgarvey1874
    Outstanding, all good info without the excessive jabber, one of the best I have ever seen, great work.
  • @bertdiver3708
    You are a great instructor, concise and thorough. Thank you for your expertise.
  • @stevenpatch7240
    Just wanted to say thank you for making this video! A fellow redditor sent me your link and I realized I put the jet in backwards, causing all of my problems. Thank you for saving me time and money on more parts!
  • @mrbrown6421
    The gas leak test is always useful. I typically have a jig set up on my bench with a small raised gas tank, hose and valve that I attach to the carb while off the engine. In your case, your carb is GRAVITY fed. If there is a fuel pump, gas will not flow to the carb since the engine is off. So many details to remember, so thank you sir. -- North Central Florida -- 10.1.2023
  • @nandunandu5097
    Finaly found a Video that had the exact type of Carborator that I do, god bless you Sir!
  • @rickdff62
    You're one of the very few folks that show doing a "wet" test on the carb. Good on ya for that as that's very important step after messing with the float. Cheers.
  • @drewlosch
    PERFECT VIDEO! This carb is something I have never seen before. You make it all easily done for dummies like me. Great brief editing and no BS excuses and lifestyle interruptions like other vids I've viewed. Thanks so much!!!!
  • Been looking for some time for details about my carb, you hit them all! Thanks for a great video. 😀
  • @larrystover4863
    I had one time the fuel solenoid backfire was stuck down and then I found that I had gas in my oil and The same thing happened to my neighbor's tractor too so we both added fuel shut off valves and haven't had a problem since.
  • @NotSure13
    Great video. I couldn’t remember which way that jet goes on the plastic and your video was very helpful. Unfortunately the OEM kit I bought from Amazon was missing the o-ring gasket for that jet. Luckily I was able to use a 3mm/1mm o-ring.
  • @RockyPekoe
    I have this tractor with the 21hp B&S platinum engine. The china made kit's jet has to be used, as the o-ring wasn't thick enough to be used with the old jet. The kit's jet also has to be reamed out with a very small drill bit, to match the size of the old jet, or the engine will only run on full choke. The new float also sat too high. If you keep the old parts and mix and match, and make alterations, the kit can work. But this is not a simple plug and play replacement IMO.