2-50cc Scooter/Moped Carb Theory And Common Carb Problems

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Mimotheking Sayegh: Is that a kymco zx engine, because I have one

ballenkicks1: great video and thanks for the shout out to us aussies

Jordon Howard: please help

Jordon Howard: I have a 50 cc yamaha razz moped of the year 1988 and it bogs down won't stay running looses power and re gains power and it jumps from almost stalled to fine within a few seconds gas comes misting out the carborator and it eats oil like there's no tomorrow and has trouble kick starting please help

abz2929: Need urgent help!
Ihave a 50cc piaggio nrg and when opening
Revs it splurters/splurtting

sabelo gumbi: Hi guys I've got a johnways 125cc electric scooter the thing is I've stripped and cleaned my cab but now it only starts when I'm holding the accelerator but as soon as I let go it just cuts oFf, please help

Pierce Newby: My 150cc scooter intake manifold bolt has snapped in half and left the other half in the hole. I cant find a way to properly seat the intake manifold back on jbweld? (lol duct tape?). Also my bike was running fine and after about 9 months one day it revvved very very high then i heard a loud pop and it died slowly. Now it cranks but wont start. The piston rings are fine nothing looks as if it has blown out.

Taylor Ray: hi, I got my son a moped, 50cc jet sym - I'm clueless with all things mechanical - when he revs it after stopping it's still going? any ideas please

MrLonlywolf25: im trying to find out whats wrong with my gy6 4stroke moped when runing it idles ok but when i give it throdle it revs up and down 

POLO tv: I'm having problems with mine too but it's not this.  If yall have time please check out the video I just posted on my channel about my scooter not running right and see if yall know what's wrong with it.  THANKS!

gonjastar: what should I do with the vaccum inlet on the carb that goes to intake manifoldif the auto petrooster was replaced with a manual petrooster?

Lebmob: Hi DIO, hope you can help, I have a 50 cc 2 stroke moped, will only start if I pour fuel into carb, will run for about 2 or 3 minutes + if I keep the rev reasonably high! will die as soon as I let the throttle go! it has an auto choke! any suggestions..?? Cheers

Henry Tripp: Really don't need the life story or a blow by blow of your drinking.

SZIN NAPALM: I have a 205cc briggs and Stratton OHV system with a belt drive, (1 belt) from the motor to the rear tire.  When I start the engine all is fine it starts right up, but when I give it throttle to start moving  i drives very slow like 3 -5mph and it makes a squeeling sound I have to push the bike along by kicking the ground like skatebording to get momentum when i do it gets going better but incresed throttle makes squeeling sounds and the bike never gets past like 10-15 mph it loses power. so I end up turning it of and pushing it back home, do you have any ideas as to what is wrong this has been hindering my progress for 6 months now

nathan hofschulte: 8000hp? holy crap 

Goran Milanovski: I have an issue with my 80cc 4tact scooter, when im driving it it feels like im changing gears, it doesent just go like you gave a full trotile and go right? well its not it acelerates and for a second it stops and then again acelerates its like a pause between start , middle and full gas , can you help me with this one?

abel berenguer: Hi Dios tks again four you all videos you been post, I have a Chinnes scooter Sym Fiddle version 1 from 1999 my question is- is ok to use same pipe size from the petcoke " vacuum pump" four the vacuum and petrol tank you have a great Christmas and Happy new year four you and you family best regards: BERENGUER

William Walters: I am having a problem like this. Basically it almost never starts and when it does it is fine. If I don't hold the throttle open it seems to make a grinding noise like it isn't getting enough cranking amps. I have taken it to a scooter person and I told them it doesn't seem to want to start and I wanted them to look over it and fix the issue. Also I wanted them to see if they can give it a little more speed and ability to go up hills without slowing down. Well they did that and it worked fine for awhile but eventually stopped wanting to start after a few attempts. I really think it may be the auto choke do you think this may be the issue as well?

sam240se: your time for making this video is well appreciated. by the way i felt you were talking to me cause my name is sam too. thanks for your help.

DIOSpeedDemon: a Maine turns on carburettor four the air screw ? How many turns the air screw must go in? No more than 2- 2 and 1/2. Any more and you will have to change your idle jet to the next largest size. THanks for the kind words. RH DSD
2-50cc Scooter/Moped Carb Theory and Common Carb Problems 5 out of 5

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2-50cc Scooter/Moped Carb Theory and Common Carb Problems