Understanding How To Tune A Dirt Bike Carb

I Take This Carb Entirely Apart And Explain Each Piece Of It!
This Should Help you better diagnose any issues you have with your carb!

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0:00 Intro
1:02 Carb Dissasembly
3:10 Main Jet
3:59 Pilot Jet
4:24 Float & Float Valve
6:03 Choke
5:52 Needle Clip
8:36 Fuel Screw
9:11 Idle Screw

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(backup link)

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CUSTOM DIRT BIKE GRAPHICS: (Chinese and Japanese bikes)
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***ENGINES***

***PERFORMANCE PARTS***

(The exact tire's I use and love):

(LARGER WHEELSET)

(SMALLER WHEELSET)

(GEARING MOD *420 PITCH SPROCKETS & 17MM SPLINE*)

(GEARING MOD *428 PITCH SPROCKETS & 17MM SPLINE*)

(RACE IGNITION* Verify your pin count*)

(MIKUNI CARBORATORS***)

***(CARB FLANGE ADAPTER)*** YOU MAY NEED IF YOU GET ROUND 28MM AIR INTAKE CARB

(REPLICA CARBORATORS***)

(CARB JETS FOR TUNING)

(AIR FILTER)

***BIKE CHASSIS'S PARTS***

(HANDLEBAR)

(FOOT CONTROLS)

***MAINTENANCE PARTS***

(OIL *What I use*)

(HOUR METER)

(SPARK PLUG REPLACEMNET)

(SPARK PLUG BOOT *IGINION COIL)

(FRONT BRAKE PADS)

(REAR BRAKE PADS)

(CHAINS *420 Pitch*)

(CHAINS *428 Pitch*)

I May receive a commission through the affiliate links above! Thank you all for your support!

[Kyle-jglv]

Probably one of the most accurate and comprehensive videos I've seen on this topic. Great video man, appreciate it.

[garrett]

Outstanding video. Might be the best mechanic type I've ever seen. Great work!

[anthonytobin]

Absolutely enjoyed your video man your speed with the key info input with the cause /effect explanations and not all the unnecessary talk just all directly to the point is awesome and honestly didn't feel that waste of my time/ waste of my life feeling that all the rest usually give.. I cant appreciate this video anymore I wish all of them were like this. Good stuff my man good stuff... Dead serious I don't even comment on YouTube or videos like this but felt compelled to go and say this exact sentence this very moment. Thanks man

[deucemob]

I just wanted to say I appreciate your time great knowledge on the carburetor wasn't quite sure what all the screws were but now I understand I do appreciate it very much great video

[benchbody]

a simple yet very informative video....a lot of same content but this is where i stuck from intro til end... 👍👍👍🔥🔥

..shoutout to trail riders of tagum city, philippines

[JPines]

Great vid, and what an invention the carb is! The mechanic minded genius who came up with it 🤯

[Sayre]

This was explained beautifully! Thank you.

[elserer]

very helpful I got my bike running immediately after this video thank you x

[walterwilliams]

Thank you for making this video! You should do a full breakdown of these bikes. Your really good at it 🙏🏼✌🏼

[mannyfreshkutzperez]

Thank you so much for your help. Man it feels good to ride again. Thank you again

[Ryan_Carder]

I'll need to rewatch this once or twice once I get my bike, but this for sure is the video I need. Great job.

[K.G.]

Didn't miss a thing. Great tutorial.

[the_rocky_mountain_rider]

Excellent video. Direct and to the point!

[amazingDbullet]

That was so quick and easy. Great video 👍🏼

[sleepyrasta]

Glad i found this video I'm a total noob my pit bike is bogging in 4th gear at higher throttle think it might be something to do with the carburettor. This video was helpful. Want to learn more before messing with it.

[LukeCliffe]

My bike had bigger jets in it but I kept fouling plugs so we put it to factory sizes and now it runs good but now it takes like 20 kicks to start it and it doesn’t seem to have as much torque

[jasontalbot]

Aaron - I just replaced a PZ27 carb on my RPS Viper because it sat up for more than a year and the float needle was stuck preventing fuel to empty into the carb. Pull the original carb off thinking I could service it but notice the bolts heads were removed. what the heck? I tried to drill out but messed one of them up so I order a new carb. Put on the bike and when it starts it races wide open on the choke. What is happening? If I open the choke it spudders and has no power.

[robertallwood]

I have a 2022 cfr250 and when i ride slowly in 1gear it popping what screw do u need to turn?

[jonobester]

Perfect, dude. I'm dealing with a 2019 Apollo Enduro. Changed the carb but they didn't give me a Japanese replacement! But now I know what to do. Muchisimas, bro.

[thailandmopedadventures]

Wow - great Explanation! You are a GENIUS