Mini Cross with Mower Engine Ignition Issues: Suspected Carburetor Malfunction

Question

Hello, I have a mini cross with a mower engine. Kros does not want to ignite the spark and when I pour fuel into the cylinder it fires for about 3 seconds and goes out. I suspect this is something wrong with the carburetor but I do not know it and I would like to fix it myself.

Pedros050 · Answer

Hello. Carburetor to strip cleaning.

Witchers · Answer

I cleaned the carburetor but still nothing helps.

jack63 · Answer

4T or 2T engine?

kowalsky34 · Answer

Nozzles thoroughly blown out? Is the fuel reaching the gas station? One more important thing is the tap next to the gas can, when the fuel hose comes in, it must be vertically up then it is open

Pedros050 · Answer

Yes Vertical and fuel is to fly. And if there is fuel in the carburetor then it must smoke.

andrzej55 · Answer

If your engine looks similar,

on the bottom of the carburetor you will find a screw at the bottom of the float chamber. After unscrewing it, the fuel should run down the drain. If not - you have not refueled

or you have a clogged fuel system. You can still help suck fuel into the cylinder during ignition by obstructing the air intake (air filter).

Witchers · Answer

2T engine like the picture. I unscrewed the screw at the bottom and the fuel flew. Today I was able to fire but only came about 5 minutes and went out and no longer fires

Added after 11 [hours] 33 [minutes]:

Now even if you pour some fuel into the cylinder, it doesn't fire and the spark is there

jack63 · Answer

Maybe he had simmering on the shaft. Remove the magnet cover and see if gasoline is leaking.
Compression ok?
Shining dry after an unsuccessful attempt to start?
What is the length of spark between WN cable and ground?

Witchers · Answer

The compression is a dry candle

jack63 · Answer

Check what I gave above. A spark first. It's a moment ...

andrzej55 · Answer

In these engines, there is a diaphragm valve between the carburetor and the engine - if it gets stuck, it won't let the mixture through. It is also worth checking the spark, replacing the candle.

Witchers · Answer

There is a spark in the candle but I noticed that the fuel flows out through the muffler. I will check this diaphragm valve tomorrow

uqaniek · Answer

Hello and how did you manage to overcome this problem because for me the same thing happens my son rides and here suddenly the quad goes out as if there was no fuel but strangely I start it and drives it a while and again. Fuel is the carburetor new diaphragm new coil new hose replaced fuel for a new not bent I have no ideas collapsed silencer?

doninosanockiii73 · Answer

Hello, I have a problem that I bought a cross and it did not fire, I replaced the piston, rings and candles, but it does not continue to fire, the carburetor gets fuel, but nothing goes to the cylinder, dry candle, what can the problem be?
Which notch should the needles be placed on the carburetor?

MaTiXoqP · Answer

Hello, I have the same problem with the mini cross. There is a spark, the carburetor has been cleaned, the membrane valve is fine, and yet it does not start. Only fuel is leaking through the exhaust, what can I do??

Mini Cross with Mower Engine Ignition Issues: Suspected Carburetor Malfunction

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