VM22 carburetor won't idle on a Predator 212 FIX

VM22 carburetor won't idle on a Predator 212 FIX
Found out the reason why the VM22 Mikuni-equipped Azusa minibike with a Predator 212 wouldn't idle. Repaired the problem.
Azusa minibike playlist - • Ghost 212 gets a 24MM ...
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Instagram - Doubledown555Black66
_____________________________________________________________
Parts used -
VM-22 carburetor - www.ebay.com/i...
VM22 jet kit - www.ebay.com/i...
Sprocket - www.ebay.com/i...
.020 ARC billet rod - www.arcracing.....
ARC billet flywheel - www.arcracing.....
ARC billet side cover - www.arcracing.....
Head gasket - Predator 212 PRO SERIES head gasket-www.ebay.com/i....
Head stud kit - www.ebay.com/i....
VM22 Mikuni carb kit - www.amazon.com....
GX 160 head - www.amazon.com....
Header pipe - www.ebay.com/i....
252 series cam and 22lb springs- www.ebay.com/i....
Subscribe for more minibike content: www.youtube.co...
Instagram - Doubledown555Black66
Don't forget to leave a comment to let me know if you enjoyed this video! :)
*********Disclaimer*********
Please do not try to re-enact or recreate anything you see in these videos.
Black66 does not take any responsibility for injuries or equipment failure created by doing so.
ALL BLACK66 CONTENT IS FOR ENTERTAINMENT PURPOSES ONLY.

[@mikeplays1163]

Amazing video most videos I find about the idle is with the stock carborator this helps alot

[@Black66]

Thanks! I have another VM 22 video if you haven't seen that one yet. Thanks for watching! kzbin.info/www/bejne/g5-0p3yie71rnq8

[@mikeplays1163]

@@Black66 no worrys I love the content. First time I started my preditor 212 when I attached the clutch it ran away from me this thursday I have a tourq converter coming in for it.

[@thomasbolick8844]

I've been fighting with this issue for a couple of months now. Did just what you said and she's purring like a kitten. Thank you!

[@tedwhite9359]

You have the best channel for these toys by far. I like the way you test and treat like it like a scientific laboratory, changing one thing at a time. And I like the consistent format. A natural troubleshooter.

[@Black66]

Thank you very much!

[@plesadian3]

@@Black66.. you are like the predator 212 god .. when I have issues ( I’ve built 5 go karts with varying degrees of mods ) I immediately come to your channel . You’re the best .

[@TeamUnknownRacing]

You sir are a genius. I race open small block karts, And have been fighting this issue last 2 races, Found your video, and fixed the problem in 5 minutes!

[@Black66]

Awesome! Thanks!

[@trojans7670]

I remember calling you and having all kinds of carb issues and it turns out this was the problem. I check this every single time now.

[@Jjcolon-w5z]

Man, you’re the best I’ve been dealing with the situation of the past week with my minibike

[@johnk6346]

Good info I have been fighting with chokes and idles my whole life

[@robbie-up3fj]

Had this PIA problem watched your Video and bang worked perfectly..... YOU ARE THE MAN....Thank you my friend

[@eddiesheeran5791]

Great tech tip! I've got one of these carbs on the way. I'm looking forward to dialing it in for the big torque & throttle response gains.

[@gabet3754]

I’ve had the same problem since I installed mine. Thank you!

[@thompsonbrian8791]

I came here after a 1 gr of madnesses with my carburetor and I thought to myself what would Black 66 😂do i looked you up and you have a video about it thank you I’ll try it tomorrow morning 😅

[@houseoffire72]

I know a couple guys that do small engine repair work. They make a very good living at it...! Around here everyone has a mower, weed wacker, chainsaws, tillers etc...

[@fp-AvERY]

Omg i think you just saved me hours of messing around. Thank you

[@Black66]

Glad I could help!

[@crippleguy415]

AWESOME 😃. Thank you . I usually spray something around the connections with brake cleaner to check for air leaks .

[@cole7750]

You definitely know your stuff on these motors. Good videos! When are you going to make your own custom bike design to mass produce???

[@mindovermatter3988]

You know it's a good thing that you have the time to be able to mess with these bikes and figure these little things out. I've been messing with these bikes for years now and that's been a common issue with me that I just figured out not too long ago. I have a 2:25 that's acting up right now. When I try to start it it backfires through the intake and the exhaust. I'm pretty sure it has to do with my valve adjustment and potentially a sheared key on the flywheel. Hopefully it's not a sheared key. But I will make sure my carb is aligned with the intake before it is put back on to alleviate one less issue or problem. Thank you

[@antonioherrera532]

Man . This was the video I was looking for forever

[@bernardmt7090]

Thks for ur video. Well for my VM22 I just throw it as not worth spending my 2 year to adjust, tune, troubleshooting it & trial run it on my bike and getting rough running, jerking, stalling, bad mileage and no peace of mind. I've installed a Keihin on my bike and it run perfect and trouble free for 2 years. Just tune it in less than a minute. Been running perfectly ever since day 1 installed it. 😂😂😂😂😂😂😂

[@Black66]

The VM 22 carbs take a few minutes to tune. I haven't had many issues with them. Check out the playlist. I run many Keihin carburetors on the channel kzbin.info/www/bejne/jJPGoXRmn8mGf9k

[@woodsman201]

Love your channel. Just bought my first bike Coleman 200ex with pred 212 and I’m learning a lot. Been having issues with it puttering out on me upgrading the carb too idk hahah keep doing you. Great channel

[@Black66]

Thanks!

[@FranklinVardetta]

great video that solved my issue, your a true life saver

[@KeithBurton-o8k]

Amazing I have decent knowledge of these babies and I didn't think that could matter that much.o need to remember it isn't a 2 stroke thanks

[@NVScrapper]

GREAT VIDEO!!! Thanks for teaching us all of the little things that can make a big difference! 😘

[@justconcentratee]

Also check your intake gasket, I took mine off because I was having the issue and about half inch on the top was just gone! Replaced it and ran fine

[@FranciscoGarcia-hi3zx]

Wow this is a problem I didn’t even know I had. I’ve been having tuning issues and I’ve only adjusted my carb when I installed it.

[@1967res]

Love your videos. Just built a 196 on my Coleman. Chinese VM22 is really hard to start and hard to tune the idle. Does the small hole above the mixture screw under the o-ring need to be exposed? My manifold covers it completely with the carb lined up like you just showed. Thanks!

[@CrazyIsBad]

How do I fix when I start my mini bike with the choke the bike revs so high the clutch engages?

[@mikesbarn1858]

Great information as always thank you.

[@markebedwell4360]

Always check for vacume leaks and compression and then timing a bad fly wheel key can also act like bad carburetor. Valve lash can also be an issue.

[@Deucealive75]

Only if you are installing a Mikuni on an engine that doesn't run right prior to the Mikuni. In that case all of those should have been checked prior to installing the new carb.

[@samuelforsyth6374]

i told my mate to get a 34mm flat slide for his 270cc go kart, it runs a bit rich with the smallest jet and the needle in the top groove. should he just buy smaller jets or ? would a cam help the air-fuel ratio?

[@superblesswilliams253]

Think you for making this video because I would have never known why it did that 👍🤝🤜

[@cobster3]

Dude thank you so much my o ring blew on the carb bc it was not lined up now she purrs like a tiger

[@cumbucket9325]

Hey man i recently bought a ct200u ex and I’m gonna do a enigine swap with 212 Pred and I saw your vid on the swap and I was a little confused could you do a more in depth guide and show all the steps cause I’m just getting into minibikes and engine swapping

[@williamMikmaq222]

Sweet!... Thanks for helping out..

[@Black66]

Any time!

[@BassAckwardsAnglers]

We have one and it's spitting tons of fuel out of the air intake, messed with the float and to no avail it won't run. Did the steps in this video and it did run then stopped any advise?

[@Scoutman-gx4nb]

I do have a question, I have an oem mikuni on a stock predator 212 with only a straight pipe header pipe and when I pop the throttle like you were doing in this video, when the throttle is let off quickly it tries to die like it’s flooding, I have put a 120 jet it in, stock was a 98, anything I’m missing in tuning? Fuel air is right at 2 full turns out and has I’m pretty sure 15 pilot jet

[@vvscheckin7209]

I just put a Vm22 Carb on my predator 212, it’s getting Gas and everything But when I pull it just Pops a little and sounds like it Wants to start bad But just cuts right out, any tips On this Would be so very appreciated, I am trying to make my first Project build

[@rawlineeastsidebulliesbull6858]

Thanks alot I have same carb I cleaned it out after 1 summer of use then no matter what screw kept bogging I should of known happen before gonna re aline it

[@phoenixmojado527]

Thanks for the video I looked at my alignment and my o ring was waiving at me hahaha big thanks

[@mikesbarn1858]

Would consider doing a review of a thumb throttle lever versus the standard twist grip?

[@richpalmisano1740]

I have a thumb throttle on my MM212. its ok... honestly I think it's more fatiguing than a twist

[@miguelpagansr6128]

Great video, I have a similar situation with my Honda express. Mine turns over but won’t rev, any thoughts? Thanks in advance, I ordered a new carburetor just in case.

[@fronk572]

Dude, thank you so much, I have the same problem in my go kart

[@stanlucas665]

I had one that sounded like Tweety Bird on speed when I started it. What I found was a leak between the intake manifold and the cylinder head. It sounded funny as hell though 😂

[@iamdauntless8451]

Great video and very informative! Thank you!!!

[@Black66]

Glad you enjoyed it!

[@vosimichurch]

Just to add from my experience. wouldn't idle, and needed a bigger pilot jet, so if ordering, i suggest order and assortment of jets, had to increase 3 sizes to get it smooth running

[@Black66]

Thanks! Check out my other VM22 tuning video.kzbin.info/www/bejne/g5-0p3yie71rnq8

[@TylergoinLIVE]

Great vid, but I’m still having the same issues with my axis m200, any tips on help of advice

[@TylergoinLIVE]

Has a brand new vm22 carb

[@MRGreen79]

Can you send a link for that air filter? Thanks for all your videos.

[@Black66]

Thanks! www.ebay.com/itm/112456727228?hash=item1a2ef17abc:g:nMAAAOSw7NNT7WZj

[@johnathanpham4823]

Had a question I have a knock off vm22 carb and when turning on the idle it super high and come down two about 2k rpm with choke on but when choke goes off it idles super high. I have already checked for vacuum leaks and I have none is my carb bad? Plz help

[@fasterthunder8308]

So you told me to come from the other video and I've tried to line it up right and last I checked it seemed ok but mine doesn't idle high and I can adjust the idle screw still shuts off when not choked

[@PFrm7th]

Only video that helped !!!

[@ilm28403]

Good video. I see that you have a fuel pump on this engine. How does the performance of the VM22 with a pulse fuel pump compare to VM22 without a fuel pump?

[@Black66]

Thanks! They pretty much perform the same. The only reason I run a pump on this engine is because the tank is lower than the carburetor. It won't gravity feed.

[@SoLoCruizer]

@@Black66 so if it ewont gravity feed what would the symptoms be i ask this question because i too have a vm22 that wont idle without choke it dosent run high and all the gaps are lined up to spec

[@caleb6988]

I have one that bog's down when I hit the throttle. What could be the issue with it?! I changed the main jet to a #90 and lowered the needle one grove, any help would be greatly appreciated

[@backdoormailman]

Ever figure it out? Mine bogs down unless I go wide open. Runs good with choke on. Lowered needle clip to the bottom. Still does it. Idles ok with choke off.

[@caleb6988]

@@backdoormailman no I didn't figure it out and just put stock carburetor back on it.

[@brycekoons1769]

I need help, mine engine is doing exactly the same thing your is in the video but I fixed what you said and it didn’t change anything, I’ve replaced gasket and deep cleaned the crab even replace the needle in the slide but nothing seems to work any suggestions?

[@Black66]

Check out this video, maybe it will help kzbin.info/www/bejne/g5-0p3yie71rnq8

[@jameswinnett4012]

Good tip! I have a Mikuni VM22 to install yet and will pay close attention to this alignment. Question, do you find most 212's need the fuel pump with the VM22?

[@Black66]

Thanks! No, as long as the tank is above the carb, and you can get a good gravity feed.

[@jameswinnett4012]

@@Black66 Ok, thank you! I'm using my 212 predator as a motor for a long tail duck boat motor. I am not sure how much gas it will use when I get the cam and VM22 on it, but have the ARC flywheel and rod as well, so the governor will be removed. I'd like to keep the stock tank, just to keep the footprint smaller. I will just have to try it and see. I carry a 1 gal can with me now for back up. Have really enjoyed your videos. Even if I don't own a mini bike, your motor building content is fire! ;-) Thank you!

[@Black66]

@@jameswinnett4012 Thank you! Thanks for watching the videos!

[@eliestrada4192]

@@Black66 I have a question is the choke on up or down on mikuni carb? Thank you for the inspiration in getting a bike!

[@krissadams7259]

Do you have a 420 with mikuni carb if yes what jets did you use please HELP YOUR THE MAN 👋👍

[@Xbit88]

Fixed my problem! Thanks for the video!

[@Black66]

Glad it helped!

[@juniortabullo1246]

So this is an air leak problem? When your bike will turn on but shut right off unless u give it gas?

[@SoLoCruizer]

any link for those engine to manifold gaskets i think mine is way thinner then the one i see u using here it almost looks metal

[@Rickydbaby]

when my predator 212 gets warmed up. it will not pop or even try to start at all unless i crack the throttle to about 1/4 throttle and blip on the gas during the pullstart. then it runs and idles fine. vm22 carb, govener removed billet flywheel 18lb valve springs. is there any adjustment to get it to warm start easier? bigger pilot valve?

[@Black66]

If everything else is in order then I would look at changing out the pilot jet.

[@Rickydbaby]

@@Black66 I'm thinking that too. It's on a snowmobile and running up ear 8500' elevation. I'm thinking my pilot may be too rich.

[@lisztomaniacgirl]

pls, help me! is it okay if my VM22 only gets settled in about 5 rounds? screw head (mixture air/fuel) sticks way out of its little house/hole

[@MikeSmith-nn9zn]

Good info

[@Black66]

Thanks! Check out the other VM22 video kzbin.info/www/bejne/g5-0p3yie71rnq8&lc=Ugw4CadiyFDXpnwY0gJ4AaABAg

[@joeychokeahoe1]

What else could cause this? I'm having this same high idle problem. I start the bike on choke and it idles very high. No type of adjustments anywhere seem to do anything for me. The carb is aligned with the manifold so that isn't the issue. Any help would be great!

[@stonr7709]

i’m having the issue of the pull cord being violently yanked out of my hand when starting would a electric start help?

[@stonr7709]

compression is crazy high

[@Black66]

I would check Valve lash .

[@BumarAssassin]

Thank you love ya man 🙌🏼😂

[@N0TJames816]

So i have a tilly 212 with a stage 2 kit from gopowersports, i live at 1100 feet above sea level and with a 115 my bike bogs down at 6080rpm, should i go up in jet size?

[@09l806]

saved my life

[@JBBRAD9267]

Good video As always

[@cadeberry1202]

Hey man I like your videos, you should build up a Briggs or Tecumseh sometime man I think that would be rad.

[@Entertainment_Enterprise]

I have the same harbor freight transmission jack and I use it on my minibike also 🤣 Thank you for the Video Help

[@Jonavin-j9m]

Does your choke gotta be all the way open to start the bike?

[@rekless1471]

Is it a bad idea to use the Amazon makuni im just sketched bc iv herd soms good things then iv herd bad things i want to upgrade jt but its not an actual makuni

[@Black66]

Check out the playlist for many different carbs and engine combos.

[@fernandocastillo8026]

I have a problem on my bt200x with stage 1 kit and a size 0.38 jet so it’s good but also idles very high and not good and it will die when you take off the choke, it’s got a normal carb that I got off Amazon that fits the 196cc

[@ThatOneGuyIsaac]

thanks i gonna try this with mine!

[@stradybeshiesty436]

What size are those screws that connect the manifold to the motor

[@charlieknight3027]

Mine idles really low once I turn the choke off I have to constantly give it throttle or it dies out

[@superblesswilliams253]

I have a question what is the best jet to put in a 212 tillison for a mikuni

[@Black66]

It's really hard to tell because of elevation differences but I usually will start out with a 120 main. I will run the bike and then check the plug for that nice brown color.

[@hectorb1921]

I’ve got my tuning almost perfect but idk why is continues to only bog at max speed. Not sure if is the carb of if need to switch from 22lbs to 26lbs springs

[@scorpioslab]

Bigger main jet you need

[@evanb7504]

Hey I love that gas tank and mount! Where did you get it?

[@Black66]

Thanks! I made it out of a car overflow tank. I'll have to do a video on it.

[@davianjohnson517]

Does the float have anything to do with it cutting off??

[@Black66]

Yes, if it runs out of fuel

[@robbie-up3fj]

VERY COOL THANK YOUUUUUU !!!!!!!!!!!!

[@Zavala211]

Do you know we're I can find the pilot jets for this style carb

[@Black66]

Yes, links are in the description of the video for the jet kit.

[@Zavala211]

Thank you

[@MrComeaucmc]

Great video like always! Working on getting mine running right. I think the 15.5 pilot jet I had in it makes it idle too high for the hisun 196 stock engine. Got a 12.5 pilot jet coming tomorrow to hopefully fix it. Thinking a 110 jet and 12.5 jet will be the best combo for my hisun 196. Would love to hear your thoughts on what jetting works best. I know you went from a 120 to a 110 on your hisun 196 engine.

[@Black66]

Jetting is a little different for everyone depending on engine mods ,elevation, etc. I tend to get away with a little smaller jet because of the elevation I live at. I would do what your doing and then look at the plug to check on how its running.

[@jthapyro]

@@Black66 check my KZbin out we need the minibike community too see Paul karts is a scam

[@joeyornelas4316]

First 4:05 am 💯🤣

[@Black66]

LOL, the 4.05 A.M was an accident! 😂

[@troyholland3436]

Could this be why my vm22 doesn’t start at all?? Or is it probably the jets ?

[@Trains_n_stuff08]

This guy should be a mikuni carb technician

[@Black66]

Thanks!

[@Trains_n_stuff08]

@@Black66 no problem

[@ExGmeee]

So I have a huge question what do you think the issue would be if it try’s to die after full throttle but recovers what do you think that could be ive tryed 115 all the way up to 125 but next is the 130 id just want to get your input. @black66

[@cdiperformanceparts4364]

People keep saying in my Facebook group I should send you my predator 212cc engine cdi high performance kit. Bolts up in 5 minutes and the performance gains are threw the roof? Let me know if your interested i send it to you.

[@cee169]

My 224 idles high no matter what I do. I checked the alignment and it was off. I adjust it and restarted and it still idles high. I sprayed some brake clean all around to see if there was a vacuum leak and it did not. My idle screw is all the way out and the slide is as far down as it will go. My main jet is a 120. Im higher elevation around 3200. What could it be? Could it be I need to change the pilot jet?

[@Black66]

Sometimes the cable holds the slide up slightly which causes a fast idle. The cable possibly could be adjusted so it won't let the slide all the way down.

[@cee169]

@@Black66 thanks for the reply. I actually had checked that already. The cable is not holding it up. I removed the cable and checked the slide. It goes down as far as it does with or with out the cable attached and the idle screw all the way backed out. This one has me puzzled.

[@tylerb8284]

@@cee169 mine is doing the same exact thing, same engine same problem, the idle isn't unmanageably high, but it's still very high with slide screw out, no leaks either

[@cee169]

@@tylerb8284 I ordered pilot jets and they were the wrong ones. I found some on gopowersports I think are correct. I ordered the next 2 sizes up last night. I will try them out when they come. I think the pilot is lean. Pilot jet controls idle to quarter throttle. Mine is also not unmanageable but definitely enough to make the bike creep forward. Are you also running the vm22 copy?

[@tylerb8284]

@@cee169 yeah I have the GPS 22mm mikuni, I believe it came with a 130 pilot

[@Relynxz]

hey man my pwk24 wont idle it goes way to high in choke and also a little high non choke and i try to adjust it but it just cuts off

[@kylesyx8432]

You reconfirmed what I am thinking! I spent more money and got a nibbi and have taking extra care to not junk it up. I put a stage 2 kit in a Tilly got rid of hemi, put my built predator head on her and I got twice the power I was expecting! After a good 2 hours riding This same thing happened!! But not before snatching the carb off went to rebuild it. Thought what if it’s the o ring ???? Scared to use locktight on alum.brass etc and the thing came loose anyway!!! Turns out it was the connection cause I can’t say was only alignment because I’m definitely replacing rubber /plastic everytime to break the connection. I simply changed heads but not a o ring ?? Wtf Save yourself the headache!

[@palanskisimmons]

Great Tip 👍It a simple mistake

[@troyholland3436]

Hey man I’m super worried I got the vm22 I start it and the bike shoots forward immediately.

[@ulisesarvizu9375]

Thanks 🙏🏾

[@taloncook3435]

What size fuel line inner diameter are you using @black66

[@Black66]

1/4 ID

[@mrjaybennett80]

Everytime I install a performance carb the first start is always terrifying damn bike almost took off on me. Mine Idled 2x higher than that. Please remember to lift the rear wheels off of the ground

[@KevinRoadrageGarage]

I just spent the whole night messing with mine. It starts when I'm on the gas. I tried this trick but mine still refuses to idle with or without the choke.

[@Black66]

Have you checked out the tuning video? kzbin.info/www/bejne/g5-0p3yie71rnq8

[@jokezpaine3408]

Can you please tell me what size the o-ring is mine ripped

[@l.a.m7645]

Noob question for choke to be ON its up or down?

[@Black66]

The lever up is on

[@l.a.m7645]

Yeah when I put choke off it stalls but I can adjust the mixture screw and slide screw. Can I ride with choke on or not a good idea?

[@HASHBAR710]

Is it possible that my carb is broken? I tried all your tips and still idles high. It worked great when first installed.

[@russothecanadian2261]

You might have to replace the o ring

[@blur187proof]

I zip tied my throttle cable but as I get in my yerf dog my motor will start to rev. It's super sensitive to movement.

[@thompsonbrian8791]

Mine is still doing it and I set the slide all the way down and cut the gas off on the carburetor adjustment screw and the engine still wants to take off maybe it’s the Float 😢😢