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

THE Carb is part of the intake tract. These are the trouble areas for a bad idle or rough engine due to air leaks in the motor or intake.

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[THe808KiNGX]

really need ur help i got a sym dd50 every time i start it and take it for a ride while bulling back the throttle it goes faster and faster then bugs out and starts to have lower acceleration can u help find whats wrong?

[DIOSpeedDemon]

@THe808KiNGX Sounds like you need a new drive belt and check your whole drive belt system for a start.

[klamatoconlimon]

Great video brother. Clear, friendly, informative straight to the point.

[DIOSpeedDemon]

@klamatoconlimon Glad you like the video, Glad to be of Help. I have 1100 more videos just like it. Thanks RH DSD

[thekingofspoof]

do you like fleetwood mac i can heer it in the background

[DIOSpeedDemon]

@thekingofspoof I grew up as a teenager with fleetwood mac, foreigner, bay city rollers, lover boy, billy idol and all those kinds of bands. I like my teenage years and that kind of music. RH DSD

[xxFr0z3nFlam3xx]

what does mopped mean?

[madestman101]

Is 28mm oko too big for a 50cc two-stroke? i just picked one up and plan to add it to my bike its got an expansion chamber and performance transmition oh and a similar intake to the one on your video, same engine clone of dio

[madestman101]

Is 28mm oko too big for a 50cc two-stroke? i just picked one up and plan to add it to my bike its got an expansion chamber and performance transmition

[Sabbador]

@DIOSpeedDemon

I took it apart and i found that the piston had quite big scratches and the head gasket was leaking. A new cylinder with a new piston and new gasket fixed the problem completely!

Unfortunately my mixture of gas and air was wrong caus my new piston got "stuck" after some time(not sure how to explain it in english) After that incident there was no compression and it wouldn't start, so i have to take it all apart again :( Oh snap.

[DIOSpeedDemon]

@keyskennels Sounds like you did not mix two stroke oil with the gas. the stock oil pump will not work with any cylinder larger than the stock 50cc. the larger piston will lean the mixture and you will seize the piston in the cylinder from not enough oil. Time to tear it down and look at it.